MIL-PRF-39015 Revision E:2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Resistor, Variable, Wirewound, (Lead Screw Actuated), Nonestablished Reliability, and Established Reliability, General Specification for
05-10-2006
27-04-2021
1. SCOPE
2. APPLICABLE DOCUMENTS
3. REQUIREMENTS
4. VERIFICATION
5. PACKAGING
6. NOTES
APPENDIX A - PROCEDURE FOR QUALIFICATION INSPECTION
Specifies the general requirements for nonestablished reliability (non-ER) and established reliability (ER), lead screw actuated; wire wound variable resistors with a contact bearing uniformly over the surface of the entire resistive element, wound linearly, when positioned by a multiturn lead screw actuator.
| DevelopmentNote |
Supersedes MIL R 39015 (C). (08/2002)
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| DocumentType |
Standard
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| Pages |
149
|
| PublisherName |
US Military Specs/Standards/Handbooks
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
This specification covers the general requirements for nonestablished reliability (non-ER) and established reliability (ER), lead screw actuated; wire wound variable resistors with a contact bearing uniformly over the surface of the entire resistive element, wound linearly, when positioned by a multiturn lead screw actuator. These resistors are capable of full load operation (when the maximum resistance is engaged), at a maximum temperature of 85ºC and are capable for continuous operation, when properly derated, at maximum temperature of 150ºC (see 3.6), with a resistance tolerance of ±5 percent. The ER resistors have life failure rate (FR) levels ranging from 1.0 percent to 0.001 percent per 1,000 hours (see 1.2.1.4). These FR levels are established at a 60 percent confidence level on the basis of life tests.
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