MIL-PRF-55182/13B
3.2 Interface and physical dimensions. Resistors shall meet the interface and physical dimensions specified on
figure 1.
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3.2.1 Characteristic. Style RN*77 is available in characteristic C, characteristic E, characteristic H, characteristic J,
and characteristic K. 1/
3.2.2 Terminal. Terminal type RNC is available in characteristic H, characteristic J, and characteristic K only.
Terminal type RNR is available in characteristic C and characteristic E only.
3.3 Power rating. The power rating shall be 1.0 watt at 125°C (see 6.3).
3.4 Voltage rating. The continuous working voltage shall not exceed 750 volts.
3.5 Resistance. Minimum and maximum resistance values shall be as follows:
Minimum resistance
Characteristic:
H, J, and K 2/ - - - - - - - - - -1.0 ohms
C and E - - - - - - - - - - - - - - 20.0 ohms
Maximum resistance
Characteristic:
C and E - - - - - - - - - - - - - -20.0 megohms
H, J, and K - - - - - - - - - - -20.0 megohms
3.6 Voltage coefficient (applicable to resistors of 1,000 ohms and above). The voltage coefficient shall not exceed
±0.0005 percent per volt.
4. VERIFICATION
4.1 Verification. Verification shall be in accordance with MIL-PRF-55182.
4.2 Overload. The overload test duration shall be 1 hour with 2.25 x rated power overload; maximum voltage shall
be 1,000 volts.
4.3 Terminal strength. The applied force shall be 5 pounds.
4.4 Dielectric withstanding voltage. The magnitude of test voltage shall be 900 volts for atmospheric pressure and
450 volts for barometric pressure.
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1/ Third letter is variable, dependent upon lead material or capability.
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2/ For resistance tolerance D and resistance tolerance F only. For resistance tolerance B, the minimum resistor
value shall be 10.00 ohms.
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