MIL-PRF-39016/20H
1/ Each relay possesses high level and low level capabilities. However, relays previously tested or used above 10
mA resistive at 6 V dc maximum or peak ac open circuits not recommended for subsequent use in low level
applications.
2/ The suffix letter L, M, P, or R, to designate the applicable failure rate level, shall be added to the applicable
listed dash number. Failure rate level (percent per 10,000 cycles): L, 3.0; M, 1.0; P, 0.1; R, 0.01. Example,
007L - - - - - -66R.
3/ 1.500 leads are inactive for new design.
4/ Relays supplied with spreader mounting pads (-061 through -066 and -091 through -096) shall have the
spreader mounting pad rigidly attached.
5/ CAUTION: The use of any coil voltage less than the rated coil voltage will compromise the operation of the
relay.
6/ Coil resistance not directly measurable at relay terminals. When rated voltage is applied to the coil terminals,
the coil circuit current must be within the limits shown. Measure at 25°C at nominal voltage for 5 seconds,
maximum.
7/ Delete "Coil resistance" and substitute "Coil current" test in all inspection tables of MIL-PRF-39016.
QUALIFICATION INSPECTION:
Qualification inspection and sample size: See table II.
TABLE II. Qualification inspection and sample size. 1/
Single submission
Group submission
18 units plus 1 open unit for
M39016/20-054
18 units plus 1 open unit for
level L at C = 0 2/
or
level L at C = 0 2/
M39016/20-060
33 units plus 1 open unit for
33 units plus 1 open unit for
level M at C = 0 2/
level M at C = 0 2/
Qualification inspection as
Qualification inspection as
applicable
applicable
M39016/20-049
2 units each PIN
M39016/20-050
Qualification inspection,
M39016/20-051
Q1.
M39016/20-052
M39016/20-053
M39016/20-084
1 unit terminal strength and
or
solderability.
M39016/20-055
M39016/20-056
M39016/20-057
M39016/20-058
M39016/20-059
M39016/20-090
1 unit terminal strength and
solderability.
1/ For 1 only: For retention of qualification or extension of qualification to lower failure rate
levels, all life test data accumulated on MIL-PRF-39016/21 may be used in addition to MIL-
PRF-39016/20 data. Prior to performance of retention of qualification testing, the relay
manufacturer shall preselect the sampling plan.
2/ The number of units required for qualification testing shall be increased as required in Q5,
MIL-PRF-39016, if the relay manufacturer elects to test the number of units permitting one
or more failures. Prior to performance of qualification testing, the relay manufacturer shall
preselect the sampling plan.
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