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Page Title:
Table I. Qualification inspection and sample size |
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|  MIL-R-5757/7F
Life test requirements:
High level (applicable to M5757/7-001): 100,000 cycles at rated load.
Low level: (applicable to M5757/7-003): 100,000 cycles at rated load.
Minimum current: Level II, 50,000 cycles.
Verification:
Periodic inspection: Groups B and C inspections are not applicable.
Group A.
a. Subgroup 1: Run-in (applicable to -003 low level relays only). This subgroup may be waived at the
discretion of the qualifying activity if fully tested MIL-PRF-39016/6 relays are used internally.
b. Subgroup 2: 100 percent.
c. Dielectric withstanding voltage:
(1) Tests to be conducted at sea level rating only.
(2) Duration of application: 5-10 seconds at a 10 percent increase in the dielectric strength voltage.
Qualification: See table I or II as applicable.
TABLE I. Qualification inspection and sample size.
Part or
Identifying
Number of sample units
Number (PIN)
M5757/7
16 units plus 1 open unit.
-001
Qualification inspection
as applicable.
12 units plus 1 open unit.
-003
Qualification inspection
as applicable.
TABLE II. Extension of qualification and sample size.
Number of
PIN M5757/7
Test
sample units
Qualified
Extension to
4
Low level life
4
High level life
-001
-003
4
Minimum current
-003
-001
1
Visual and mechanical
7
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