#A57J Microphone Transformer | Coils And Transformers

A57J

Audio Frequency Transformer

NSN 5950-00-086-7978

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000867978

Product Technical Spec.

Reliability Indicator:
Not established
Transformer Function:
Line
Impedance Rating In Ohms:
50.0 single component single primary and 600.0 single component single primary
Impedance Rating In Ohms:
50.0 single component single secondary and 600.0 single component single secondary
Frequency Rating:
30.0 hertz single component and 15.0 kilohertz single component
Maximum Transformer Power Rating:
50.0 milliwatts single component
Primary To Secondary Turn Ratio:
1 to 1 single component
Winding Shielding Method:
Internal shield grounded to core single component
Body Length:
1.750 inches
Body Outside Diameter:
1.375 inches
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
1 single group
Mounting Method:
Core single group and threaded stud single group
Winding Function And Quantity:
1 primary single component and 1 secondary single component
Thread Size:
0.375 inches single group
Thread Series Designator:
Unef single group
Terminal Type And Quantity:
6 wire lead
NSN:
5950-00-086-7978
Item Name:
Transformer,microphone
Cage Code:
04386

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
A-57J
Cage Code:
0LG51
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
9F

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Audio Frequency Transformers
------------ P/N A57J

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Last Updated: 08/08/2025