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Kepco Power Solutions
718-461-7000
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These precision, wirewound sensing resistors may be used to provide a voltage drop proportional to load current for use in providing current feedback. Select a resistance to drop as close to 1V d-c as possible at the maximum desired current setting; e.g., for 0-20 ampere service, select the 0.05 ohm resistor. For best stability, the resistors should be mounted to a heat sink and/or air or oil cooled to minimize the temperature rise. Use Kepco Model KT 1304, the 1000 ohm rheostat, to provide the current feedback. For information on the methods of controlling current, refer to Applications Notes. All sensing resistors are 4-terminal devices with separate current and potential connections. Clearance holes for #4 screws are provided.

PART
NUMBER
RESISTANCE
OHMS
TERMINAL
MAXIMUM
DISSIPATION
SHIP WGT.
oz.
kg.
KT 1915
1.0
leads
50W (1)
2
0.06
KT 1385
0.67
leads
50W (1)
2
0.06
KT 1399
0.5
leads
50W (1)
2
0.06
KT 1386
0.333
leads
50W (1)
2
0.06
KT 1598
0.2
leads
50W (1)
2
0.06
KT 2356
0.1
leads
50W (1)
2
0.06
KT 2713
0.01
leads
50W (1)
3
0.09
KT 2537
0.0625
leads
100W (1)
3
0.09
KT 2536
0.05
leads
100W (1)
3
0.09
KT 2480
0.033
leads
100W (1)
3
0.09
KT 2330
0.02
leads
100W (1)
3
0.09
KT 2325
0.01
Obsolete: replaced by KT 3130
KT 2536
0.05
leads
100W (1)
3
0.09
KT 2714
0.001
leads
100W (1)
3
0.09
KT 3146
1.0
screw
100W (1)
3
0.09
KT 3126
0.1
screw
100W (1)
3
0.09
KT 3130
0.01
screw
100W (1)
3
0.09
KT 3131
0.001
screw
100W (1)
3
0.09
(1) Recommended Heat Sink: 144 square inch, 1/4" aluminum or equivalent (950 square cm x 0.5 cm). Power rating based on 275°C max. hot spot temperature in 25°C ambient, derate to 80% power in 71°C ambient.
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KEPCO, INC. 131-38 SANFORD AVENUE FLUSHING, NY. 11355 U.S.A.
TEL (718) 461-7000 FAX (718) 767-1102
www.kepcopower.com email: hq@kepcopower.com


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