MIL-T-27/170C
Dielectric withstanding voltage:
At sea level: 500 V rms.
At barometric pressure: 300 V rms. Electrical characteristics:
Primary impedance: 600 ohms ±10 percent with 1 volt, 1 kilohertz and 4 milliamperes, dc applied to (1-2)
and 1,200 ohms across (3-5). Frequency response:
ZS = 600 ohms (1-2). ZL = 1,200 ohms (3-5). ES = 12 volts.
Reference frequency = 1 kilohertz. Frequency range: 300 to 3,400 hertz ±1 dB.
Polarity: Additive with terminals 2 and 3 connected. VERIFICATION:
Qualification inspection: Not applicable.
Conformance inspection: Groups A and B tests of MIL-PRF-27 shall be applicable. Marking location: See figure 1.
Part or Identification Number (PIN): M27/170-01.
Changes from previous issue. The margins of this specification are marked with vertical lines to indicate
where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue.
Referenced documents. In addition to MIL-PRF-27, this document references the following: MIL-STD-202
Custodians: Preparing activity: Army - CR DLA - CC
Navy - EC
Air Force - 85 (Project 5950-2009-083) DLA - CC
Review activities:
Army - AR, CR4, MI Navy - AS, MC, OS, SH Air Force - 19, 99
NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of this information above using the ASSIST Online database at https://assist.daps.dla.mil.
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