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| MIL-R-83726/18G
Shock G level: 50 g's.
Duration: 10 milliseconds.
Maximum duration contact opening: 10 microseconds.
Maximum duration contact closing: 1 microsecond.
Vibration (sinusoidal):
G level: 30 g's.
Frequency range: 10 Hz to 3,000 Hz.
Vibration (random): Applicable in accordance with MIL-STD-202, method 214, test condition 1B.
2
Power spectral density: 0.4 g /Hz.
Frequency range: 50 Hz to 2,000 Hz.
Duration: 15 minutes each plane.
Acceleration: 15 g's.
Seal: Applicable to nonhermetically-sealed relays and hermetically-sealed (potted) relays.
Physical data:
Dimensions and configuration: See figure 1.
Weight: 0.34 pound (.153 kilogram) maximum.
Knob strength: The rod to knob junction shall be capable of resisting an axial pull of 35 pounds without
degradation.
Marking: See MIL-PRF-83726. In addition, relays shall be marked with the ESDS identifier as
specified in MIL-STD-1285.
ESDS protection program: The manufacturer shall establish and maintain an ESD control program in
accordance with MIL-STD-1686 for mission critical equipment. Evidence of such compliance shall be verified
by the qualifying activity of this specification as a prerequisite for qualification and continued qualification. This
program shall be documented by an ESD control plan that must be under document control. As a minimum,
this plan must address the identification of ESDS sub-components and preservation, packaging, and quality
assurance. A model ESD control program is available from the qualifying activity and may be used as a
guideline. Further guidance for ESD control is available from the EDS/ESD Association and the Electronics
Industry Association (EIA). This requirement is applicable to all manufacturers who handle ESDS component
parts and materials in the relay manufacturing or testing process. This requirement is not limited to
manufacturers qualifying ESDS end items.
ESDS verification: As a part of qualification or qualification after redesign, ESD testing shall be done in
accordance with method 3015 of MIL-STD-883 modified to test at 16,000 volts. Testing at lower voltage
levels is not required. This testing shall be accomplished as part of the group III for qualification inspection and
as part of the group C inspection.
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