MIL-PRF-39015
Resistor, Variable, Wirewound (Lead Screw Actuated), Nonestablished Reliability and Established Reliability, General Specification For (w/Amendment 5)
FSC: 5905
This specification covers the general requirements for nonestablished reliability (non-ER) and established reliability (ER), lead screw actuated; wirewound 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 85 degrees C and are capable for continuous operation, when properly derated, at maximum temperature of 150 degrees C, 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. These FR levels are established at a 60 percent confidence level on the basis of life tests.
Points of Contact:
Resistor Group
Phone: 614-692-YYYY
Email: Resistor@dla.mil
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Document Downloads
Resistor, Variable, Wirewound (Lead Screw Actuated), Nonestablished Reliability and Established Reliability, General Specification For (w/Amendment 5)
Revision: E, Dated: 02 September 2022
File Name: prf39015.pdf, File Size: 500 kb
Resistor, Variable, Wirewound (Lead Screw Actuated), Nonestablished Reliability and Established Reliability, Style RTR12
Dated: 02 September 2022
File name: prf39015ss1.pdf, File Size: 138 kb
Resistor, Variable, Wirewound (Lead Screw Actuated), Nonestablished Reliability and Established Reliability, Style RTR22
Dated: 02 September 2022
File name: prf39015ss2.pdf, File Size: 169 kb
Resistor, Variable, Wirewound (Lead Screw Actuated), Nonestablished Reliability and Established Reliability, Style RTR24
Dated: 02 September 2022
File name: prf39015ss3.pdf, File Size: 180 kb
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