MIL-R-26-5 Resistor, Fixed, Wirewound Power Type, Styles Rw70, Rw74, Rw78, And Rw79This specification covers the associated requirements for styles RW70, RW74, RW78, and RW79, wirewound inductive resistors.

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MIL-R-26/50

TABLE IV. Minimum and maximum nominal resistance values.

Resistor Style	Resistance value (ohms)
Resistor Style	Minimum	Maximum
RW70	0.10	3,160
RW74		38,300
RW78		90,900
RW79		10,500

3.4.1 Standard resistance values. For standard resistance values see MIL-PRF-26 .

3.5 Thermal shock. The resistors shall not change in resistance in excess of ±(0.2 percent +0.05 ohm).

3.6 Short-time overload. The resistors shall not change in resistance in excess of ±(0.2 percent +0.05 ohm).

3.7 High-temperature exposure. The resistors shall not change in resistance in excess of ±(0.5 percent

+0.05 ohm).

3.8 Moisture resistance. The resistors shall not change in resistance in excess of ±(0.2 percent +0.05 ohm).

3.9 Low-temperature storage. The resistors shall not change in resistance in excess of ±(0.2 percent

+0.05 ohm).

3.10 Life. The resistors shall not change in resistance in excess of ±(0.5 percent +0.05 ohm).

3.11 Solderability. Solderability is applicable to this specification.

3.12 Shock (medium impact). The resistors shall not change in resistance in excess of ±(0.1 percent

+.05 ohm).

3.13 Vibration (high frequency). The resistors shall not change in resistance in excess of ±(0.1 percent

+.05 ohm).

3.14 Terminal strength. The resistors shall not change in excess of ±(0.1 percent +.05 ohm).

3.15 0ielectric withstanding voltage (barometric pressure, reduced, not applicable). The resistors shall not change in resistance in excess of ±(0.1 percent +0.05 ohm).