MIL-PRF-28776 Revision H:2017
Current
The latest, up-to-date edition.
Relays, Hybrid, Established Reliability, General Specification for
20-09-2017
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1. SCOPE
2. APPLICABLE DOCUMENTS
3. REQUIREMENTS
4. VERIFICATION
5. PACKAGING
6. NOTES
Sets up the general requirements for relays that use a combination of solid state circuit input elements functioning with an electro-mechanical relay that performs the switching functions associated with control system applications.
| DevelopmentNote |
Supersedes MIL R 28776. (10/2002)
|
| DocumentType |
Standard
|
| Pages |
47
|
| PublisherName |
US Military Specs/Standards/Handbooks
|
| Status |
Current
|
| Supersedes |
This specification establishes the general requirements for relays that use a combination of solid state circuit input elements functioning with an electro-mechanical relay that performs the switching functions associated with control system applications (see 6.1). These relays are designed to operate in low and medium power switching circuits with contact ratings up to 1 ampere alternating current (ac) or direct current (dc). The failure rate level is established at a confidence level of 90 percent for qualification and 60 percent for maintenance of qualification based on 100,000 cycles at +125°C under rated load conditions specified herein. Excludes time delay relays. CAUTION: The use of any coil voltage less than the rated coil voltage will compromise the operation of the relay. CAUTION: Pick-up, hold, and dropout voltages are for test purposes only and are not to be used as design criteria. For additional application and caution information, see 6.1.
| MIL STD 11991 : A | GENERAL STANDARD FOR PARTS, MATERIALS, AND PROCESSES |
| MIL-PRF-28776-1 Revision H:2015 | RELAYS, HYBRID, ESTABLISHED RELIABILITY, DPDT, LOW-LEVEL TO 1.0 AMPERE (TRANSISTOR DRIVEN) (ELECTROMECHANICAL OUTPUT) |
| MIL-PRF-28776-3 Revision H:2015 | RELAYS, HYBRID, ESTABLISHED RELIABILITY, DPDT, LOW-LEVEL TO 1.0 AMPERE (SENSITIVE COIL OPERATE POWER AT 25 DEGREES C) (TRANSISTOR DRIVEN) (ELECTROMECHANICAL OUTPUT) WITH DIODE COIL SUPPRESSION |
| MIL-PRF-28776-4 Revision H:2015 | RELAYS, HYBRID, ESTABLISHED RELIABILITY, SPDT, LOW-LEVEL TO 1.0 AMPERE (SENSITIVE COIL OPERATE POWER AT 25 DEGREES C) (TRANSISTOR DRIVEN) (ELECTROMECHANICAL OUTPUT) WITH DIODE COIL SUPPRESSION |
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| MIL-HDBK-338 Revision B:1998 | ELECTRONIC RELIABILITY DESIGN HANDBOOK |
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| MIL-STD-202-204 Base Document:2015 | Method 204, Vibration, High Frequency |
| MIL-STD-202-213 Base Document:2015 | Method 213, Shock (Specified Pulse) |
| MIL-STD-202-307 Base Document:2015 | Method 307, Contact Resistance |
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