INCH-POUND
MIL-PRF-28750F
2 September 2014
SUPERSEDING
MIL-PRF-28750E
28 October 2008
PERFORMANCE SPECIFICATION
RELAYS, SOLID STATE, GENERAL SPECIFICATION FOR
This specification is approved for use by all
Departments and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers the general requirements for hermetically sealed or encapsulated solid-state
relays (SSR's) (see 6.1), incorporating semiconductor, microelectronic, and passive circuit devices.
1.2 SSR classification.
a. Class I (discrete) construction: SSR utilizing this type of technology, employs only discrete type
components, which can be nonhermetically sealed. The completed SSR is hermetically sealed.
b. Class II (hybrid) construction: SSR utilizing this type of technology, employs chip (die) and wire bond
technology. The completed SSR is hermetically sealed.
1.3 Part or Identifying Number (PIN). The PIN will consist of the designator, the basic number of the specification
sheet, an assigned dash number (see 3.1), and a screening level that indicates the level of quality and reliability (see
1.3.1).
M
28750/5
-001
Y
│
│
│
│
│
│
│
│
Designator
Specification
Dash
Screening
sheet
number
level
(see 1.3.1)
1.3.1 Screening level. The screening level is identified by a single letter, Y or W. Use screening level Y for high
reliability applications (see 3.8); and screening level W for general purpose applications (see 4.5e and 4.6.1.2b).
Comments, suggestions or questions on this document should be addressed to DLA Land and Maritime ATTN: VAT,
Post Office Box 3990, Columbus, OH 43218-3990, or emailed to relay@dla.mil. Since contact information can
change, you may want to verify the currency of this address information using the ASSIST Online database at
AMSC N/A
FSC 5945
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business