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Worldwide distributor of NSN parts and consumables located in the USA.

Audio Frequency Transformer

Model / MPN: 57131-90002 | NSN: 5950-01-055-9272
ITAR Registered seal

A transformer which is designed so that part or all of its range of operating frequencies is 20 kilohertz (kilocycles) and below. The value may extend into the radio frequency range. It is generally used in the input, output, amplifier, or oscillator stages of audio and sonar devices.

Product Details
NATO Stock Number
5950-01-055-9272
Sold in multiples of
EA
DEMIL
NO
Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
1.672 inches single mounting facility single center group and 1.702 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
1.545 inches single mounting facility single center group and 1.575 inches single mounting facility single center group
Mounting Hole Diameter
0.188 inches single group
Impedance Rating In Ohms
0.02 single component single secondary
Impedance Rating In Ohms
0.45 single component single primary
Body Length
Between 2.060 inches and 2.180 inches
Body Width
Between 1.940 inches and 2.060 inches
Body Height
Between 2.430 inches and 2.620 inches
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
4 single group
Mounting Method
Flange single group and unthreaded hole single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Winding Operating Current
50.0 amperes ac single component single secondary
Test Data Document
81349-mil-t-27 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
4 tab, solder lug

Pricing and Availability

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57131-90002 Cross Reference
  • MIL-T-27
  • ME01903500009