MIL-DTL-917F(SH)
3.13.16.5 Plated terminal lugs. On those terminal lug applications not satisfied by SAE-AS7928, Types I and
II because of cable size, current rating, and thickness of cable insulation, Types CLC, CLCG, and WTG terminal
lugs in accordance with MIL-T-16366 shall be used within their current rating with the addition of an insulating
sleeve suitable for the maximum temperature of the conductor. The contact surfaces shall be plated with either tin
or silver. Only tin plated terminal lugs shall be used for any electrical connections to aluminum material. Unplated
copper or copper alloy terminal lugs shall not be used.
3.13.17 Electron tubes. Unless otherwise specified (see 6.2), electron tubes shall not be used.
3.13.18 Semiconductor devices (other than semiconductor integrated circuits (SIC), see 3.13.20). Rectifiers,
voltage reference diodes, voltage regulator diodes, control rectifiers, and transistors shall be chosen in accordance
with MIL-PRF-19500, the applicable device detail specification, and as specified in 3.13.18.1 and 3.13.18.2. For
choice of non-standard semiconductor devices, see 3.13.1.3.
3.13.18.1 Approval and data on non-standard semiconductor devices. Use of a non-standard semiconductor
device shall be approved by NAVSEA.
3.13.18.2 Electrostatic discharge (ESD) susceptible items. Electronic parts and assemblies that are subject to
ESD damage shall be handled and packaged in accordance with MIL-STD-1686 and using the guidance provided in
MIL-HDBK-263. Electrostatic discharge sensitive (ESDS) parts shall be marked in accordance with
MIL-STD-129. ESDS assemblies shall be marked with the sensitive electronic device symbol in accordance with
MIL-STD-129. A caution statement in accordance with MIL-STD-1686 shall be placed adjacent to the ESDS
symbol. The symbol shall be located in a position readily visible to personnel when the assembly is incorporated in
its next higher assembly. When physical size or orientation of the assembly precludes compliance with this
requirement, alternative marking procedures shall be developed and implemented upon concurrence by the
acquiring activity. Equipment containing ESDS parts shall be marked with the ESDS electronic device symbol and
caution statement. The symbol shall be located on the exterior surface of the equipment and readily visible to
personnel prior to gaining access to ESDS parts and assemblies with the equipment.
3.13.19 Spike voltage suppressors. Spike voltage suppressors in accordance with MIL-PRF-32167, such as
metal oxide varistors (MOVs) or controlled-avalanche rectifier diodes, shall be used to limit excessive voltage
excursions.
3.13.20 Microcircuits. Standard microcircuits or integrated circuits shall be in accordance with
MIL-PRF-38535. Only microcircuits that are enclosed in hermetically sealed cases shall be used.
3.13.21 Filters. Refer to MIL-F-18327 for guidance on high pass, low pass, band pass, notch band
suppression, and conduction of electrical filters.
3.13.22 Contactors, motor starters, and controllers. Contactors, motor starters, and controllers shall be in
accordance with MIL-DTL-2212.
3.13.23 Transducers.
3.13.23.1 Differential pressure. Refer to MIL-D-24304 for guidance on differential pressure transducers.
3.13.23.2 Pressure. Refer to MIL-P-24212 for guidance on pressure transducers.
3.13.23.3 Temperature. Temperature transducers shall be in accordance with MIL-T-24387 or MIL-T-24388.
3.13.23.4 Thermistors. Thermistors shall be in accordance with MIL-PRF-23648.
3.13.23.5 Liquid level. Refer to MIL-L-23886 for guidance on liquid level transducers.
3.13.24 Transformers and inductors. Transformers and inductors, including fixed, saturable, and saturating
types, shall be in accordance with MIL-PRF-27, MIL-T-15108, MIL-I-1361, MIL-PRF-21038, MIL-PRF-15305,
MIL-T-16315, and MIL-T-17221. The use of transformers and inductors not approved under the above
specifications shall be approved by NAVSEA.
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