Common
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Switching Frequency
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XFR 2.8 kW: Nominal 31 kHz (62 kHz output ripple) XFR 1.2 kW: 12 V to 40 V models: nominal 78 kHz (156 kHz output ripple); 60 V to 600 V models: nominal 62.5 kHz (125 kHz output ripple).
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Time Delay
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7 sec maximum from power on until output stable
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Voltage Mode Transient Response Time
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< 3 ms for output voltage to recover within 0.5% of its rated voltage after a step change in load current of up to 10% to 90% of rated output
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Maximum Voltage Differential
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±600 Vdc from output to safety ground
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Remote Start/Stop and Interlock
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2.5-15 V signal or TTL-compatible input, selectable logic
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Remote Analog Programming
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Voltage and current programming inputs (source must be isolated): 0-5 k, 0-10 k resistances; 0-5 V, 0-10 V (default) voltage sources
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Remote Analog Monitoring
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Voltage and current monitor outputs 0-5 V, 0-10 V (default) ranges for 0-100% of output
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Remote Programming & Monitoring Accuracy
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1% zero to full scale output for the default range
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Maximum Remote Sense Line Drop Compensation
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5 V / line (Line drop is subtracted from total voltage available at supply output.)
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Front Panel Voltage and Current Control
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10-turn voltage and current potentiometers
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Front Panel Voltage Control Resolution
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0.02% of maximum voltage
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Main Output Connector
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XFR 2.8 kW: 7.5 - 100 V models: nickel-plated copper bus bars with bus bar cover and strain relief; 150V to 600 V models: 4-terminal, wire clamp connector with cover and strain relief; XFR 1.2 kW: 12 - 40 V models: nickel-plated copper bus bars with bus bar shield; 60 - 600 V models: 4-terminal wire clamp connector with strain relief
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Approvals
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NRTL approved and CE-marked to UL Std. No. 61010-1, CAN/CSA-C22.2 No. 61010-1-04, EN 610101-1 (Equipment Class I, Pollution Degree 2, Installation Category II) Meets USA EMC standard: FCC, part 15B, Class A; Meets Canadian EMC standard: ICES-001, Class A.
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Input
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Input Voltage Ranges
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XFR 2.8 kW: 190-264 Vac, 1φ (24.3 A @ 208 Vac; 20.5 A @ 230 Vac typical), 47-63 Hz; Option: M2 3φ 208 Vac input XFR 1.2 kW: 85-130 Vac or 190-264 Vac, 1φ (17 A @ 120 Vac; 8.8 A @ 230 Vac typical), 47-63 Hz. Automatic range detect.
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AC Input Connector
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Type 3-terminal, 34 A, 250 V, wire clamp connector with strain relief cover
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Protection Features
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Over-voltage protection
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Over-temperature protection
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Environmental
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Operating Temperature
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XFR 2.8 kW: 0 to 50°C, XFR 1.2 kW: 0 to 50°C
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Storage Temperature
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-20°C to 70°C
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Humidity (Non-condensing)
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Up to 90% RH, non-condensing
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Physical
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Model
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XFR 2.8 kW
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XFR 1.2 kW
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Dimensions
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Width: 19” (429.4 mm) Height: 3.5” (88.9 mm) Depth: 21” (533.5 mm
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Width: 19” (429.4 mm) Height: 1.7” (43.2 mm) Depth: 20” (508.1 mm)
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Weight
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33 lb (15 kg)
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18 lb (8.2 kg)
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Output Ratings
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Model
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Output Voltage
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Output Current
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Output Power
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XFR 7.5-300
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0-7.5 V
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0-300 A
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2250 W
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XFR 12-220
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0-12 V
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0-220 A
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2640 W
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XFR 20-130
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0-20 V
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0-130 A
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2600 W
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XFR 33-85
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0-33 V
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0-85 A
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2805 W
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XFR 40-70
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0-40 V
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0-70 A
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2800 W
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XFR 60-46
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0-60 V
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0-46 A
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2760 W
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XFR 100-28
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0-100 V
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0-28 A
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2800 W
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XFR 150-18
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0-150 V
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0-18 A
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2700 W
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XFR 300-9
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0-300 V
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0-9 A
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2700 W
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XFR 600-4
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0-600 V
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0-4 A
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2400 W
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XFR 7.5-140
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0-7.5 V
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0-140 A
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1050 W
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XFR 12-100
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0-12 V
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0-100 A
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1200 W
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XFR 20-60
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0-20 V
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0-60 A
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1200 W
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XFR 35-35
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0-35 V
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0-35 A
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1225 W
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XFR 40-30
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0-40 V
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0-30 A
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1200 W
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XFR 60-20
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0-60 V
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0-20 A
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1200 W
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XFR 100-12
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0-100 V
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0-12 A
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1200 W
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XFR 150-8
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0-150 V
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0-8 A
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1200 W
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XFR 300-4
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0-300 V
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0-4 A
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1200 W
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XFR 600-2
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0-600 V
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0-2 A
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1200 W
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Line Regulation
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Model
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Voltage
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Current
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XFR 7.5-300
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2.75 mV
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32 mA
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XFR 12-220
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3.2 mV
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24 mA
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XFR 20-130
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4 mV
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15 mA
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XFR 33-85
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5.3 mV
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10.5 mA
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XFR 40-70
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6 mV
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9 mA
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XFR 60-46
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8 mV
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6.6 mA
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XFR 100-28
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12 mV
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4.8 mA
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XFR 150-18
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17 mV
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3.8 mA
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XFR 300-9
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32 mV
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2.9 mA
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XFR 600-4
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62 mV
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2.4 mA
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XFR 7.5-140
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2.75 mV
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16 mA
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XFR 12-100
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3.2 mV
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12 mA
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XFR 20-60
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4 mV
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8 mA
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XFR 35-35
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5.5 mV
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5.5 mA
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XFR 40-30
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6 mV
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5 mA
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XFR 60-20
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8 mV
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4 mA
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XFR 100-12
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12 mV
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3.2 mA
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XFR 150-8
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17 mV
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2.8 mA
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XFR 300-4
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32 mV
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2.4 mA
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XFR 600-2
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62 mV
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2.2 mA
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Load Regulation
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Model
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Voltage
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Current
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XFR 7.5-300
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6.5 mV
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65 mA
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XFR 12-220
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7.4 mV
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49 mA
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XFR 20-130
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9 mV
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31 mA
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XFR 33-85
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11.6 mV
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22 mA
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XFR 40-70
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13 mV
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19 mA
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XFR 60-46
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17 mV
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14.2 mA
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XFR 100-28
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27 mV
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10.6 mA
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XFR 150-18
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35 mV
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8.6 mA
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XFR 300-9
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65 mV
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6.8 mA
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XFR 600-4
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125 mV
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5.8 mA
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XFR 7.5-140
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6.5 mV
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33 mA
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XFR 12-100
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7.4 mV
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25 mA
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XFR 20-60
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9 mV
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17 mA
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XFR 35-35
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12 mV
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12 mA
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XFR 40-30
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13 mV
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11 mA
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XFR 60-20
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17 mV
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9 mA
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XFR 100-12
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27 mV
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7.4 mA
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XFR 150-8
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35 mV
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6.6 mA
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XFR 300-4
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65 mV
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5.8 mA
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XFR 600-2
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125 mV
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5.4 mA
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Meter Accuracy
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Model
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Voltage (1% of Vmax + 1 count)
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Current (1% of lmax + 1 count)
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XFR 7.5-300
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0.09 V
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4 A
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XFR 12-220
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0.13 V
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2.3 A
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XFR 20-130
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0.3 V
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1.4 A
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XFR 33-85
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0.43 V
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0.95 A
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XFR 40-70
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0.5 V
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0.8 A
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XFR 60-46
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0.7 V
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0.56 A
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XFR 100-28
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1.1 V
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0.38 A
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XFR 150-18
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1.6 V
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0.19 A
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XFR 300-9
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4 V
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0.1 A
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XFR 600-4
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7 V
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0.05 A
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XFR 7.5-140
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0.09 V
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1.5 A
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XFR 12-100
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0.13 V
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1.1 A
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XFR 20-60
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0.3 V
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0.7 A
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XFR 35-35
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0.4 V
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0.45 A
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XFR 40-30
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0.5 V
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.04 A
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XFR 60-20
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0.7 V
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0.3 A
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XFR 100-12
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1.1 V
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0.13 A
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XFR 150-8
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1.6 V
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0.09 A
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XFR 300-4
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4 V
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0.05 A
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XFR 600-2
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7 V
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0.03 A
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Output Ratings
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Model
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Output Noise (0-20 MHz)
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Output Ripple (rms)
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Voltage (p-p)
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Voltage
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Current
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XFR 7.5-300
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100 mV
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10 mV
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1600 mA
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XFR 12-220
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100 mV
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10 mV
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1200 mA
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XFR 20-130
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100 mV
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10 mV
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400 mA
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XFR 33-85
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100 mV
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15 mV
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300 mA
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XFR 40-70
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150 mV
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15 mV
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200 mA
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XFR 60-46
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150 mV
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15 mV
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100 mA
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XFR 100-28
|
175 mV
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25 mV
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80 mA
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XFR 150-18
|
200 mV
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25 mV
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40 mA
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XFR 300-9
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400 mV
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40 mV
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20 mA
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XFR 600-4
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500 mV
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100 mV
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10 mA
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XFR 7.5-140
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75 mV
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9 mV
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500 mA
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XFR 12-100
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75 mV
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9 mV
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500 mA
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XFR 20-60
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75 mV
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9 mV
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500 mA
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XFR 35-35
|
120 mV
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9 mV
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300 mA
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XFR 40-30
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150 mV
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9 mV
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200 mA
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XFR 60-20
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150 mV
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9 mV
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100 mA
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XFR 100-12
|
150 mV
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9 mV
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100 mA
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XFR 150-8
|
150 mV
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18 mV
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50 mA
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XFR 300-4
|
200 mV
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27 mV
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25 mA
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XFR 600-2
|
400 mV
|
72 mV
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15 mA
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