MIL-R-835168
4.6.23 Salt spray (corrosion) (see 3.26). Relays shall be tested in accordance with method 101 of MIL-STD-202. The following details and exceptions shall apply:
a. Test condition: 8.
b. Examination after test: Relays shall be examined for evidence of peeling, chipping, flaking of the finish, and exposure of base material due to corrosion.
4.6.24 Lead integrity (see 3.27). Relays shall be tested in accordance with method 2004, of MIL-STD-883, test condition 82. The following details shall apply:
a. Test condition: 82.
b. Force to be applied: Shall be as specified (see 3.1). c. Number of terminals per relay to be tested: Two.
4.6.25 Cross talk (applicable to relays with electrostatic shielding) (see 3.28). Cross talk shall be measured using equipment which shall have an input impedance of 1 megohm, minimum, shall be paralleled with a capacitance of
20 picofarads maximum. A 1.0 to 10.0 volt peak-to-peak input signal at frequencies up to 10 MHz shall be applied
to the switching circuit through coaxial cable, terminated in 50 ohms ±5 percent at the device terminal. The coaxial cable shall conform to MIL-DTL-17. The input signal amplitude shall be measured at the input connection of the switch. The cross-talk signal shall be connected through a similar type coaxial cable, terminated in 50 ohms ±5 percent at the measuring device. The resultant attenuation in decibels equals:
20 (Log (to the base 10) of Ein divided by Eout)
4.6.26 Life (see 3.29). Relays shall be tested for a minimum of 50 million cycles. The following details shall apply:
a. Test temperature: Room temperature.
b. Energizing voltage: Rated voltage (see 3.1) shall be used to energize the coil.
c. Cycling rate: The cycling rate shall be not less than 60 Hz or more than 120 Hz. "On" and "off" periods shall be approximately equal.
d. Contact monitoring: The contacts shall not be monitored during the actual life cycling. e. Test load: 5 V dc at 10 mA.
f. Periodic measurements: Upon completion of approximately 5 million cycles, the life cycling shall be stopped and the electric power removed from the relays for approximately 1 hour. The dc coil resistance, static contact resistance, pickup and dropout voltages (as applicable, see 3.1), and operate and release times (as applicable, see 3.1) shall be measured as specified in 4.6.8, 4.6.12, 4.6.10, and 4.6.13, respectively. In addition, dielectric withstanding voltage and insulation resistance shall be measured as specified in 4.6.6 and 4.6.7, at the end of the life cycling (50 million cycles). Relays shall then be externally examined to verify that no physical damage exists.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are maintained by the Inventory Control Point's packaging activities within the Military Service or Defense Agency, or within the military service's system commands. Packaging data retrieval is available from the managing Military Department's or Defense Agency's automated packaging files, CD-ROM products, or by contacting the responsible packaging activity.
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