#25A157 Microphone Transformer | Coils And Transformers

25A157

Audio Frequency Transformer

NSN 5950-00-755-0009

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
007550009

Detail Specifications

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
3.688 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
2.688 inches single mounting facility single center group
Impedance Rating In Ohms:
7.5 single component 3rd secondary
Impedance Rating In Ohms:
7.5 single component 4th secondary
Impedance Rating In Ohms:
125.0 single component 1st secondary
Impedance Rating In Ohms:
125.0 single component 2nd secondary
Impedance Rating In Ohms:
125.0 single component all primary
Frequency Rating:
10.0 hertz single component and 40.0 kilohertz single component
Maximum Transformer Power Rating:
20.0 watts single component
Primary To Secondary Turn Ratio:
1 to 1 single component
Winding Shielding Method:
Internal shield grounded to core and brought out to terminal single component
Body Length:
4.438 inches
Body Width:
3.500 inches
Body Height:
4.187 inches
Maximum Operating Temp:
70.0 degrees celsius
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
4 single group
Mounting Method:
Threaded hole single group
Winding Function And Quantity:
2 primary single component and 4 secondary single component
Thread Size:
0.164 inches single group
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
19 solder stud
NSN:
5950-00-755-0009
Item Name:
Microphone Transformer
Cage Code:
96256

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
5379401-1
Cage Code:
53711
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
5379401
Cage Code:
53711
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
342-7007-1
Cage Code:
11530
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
LS-33
Cage Code:
15634
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
LS-33
Cage Code:
80223
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Audio Frequency Transformers
------------ P/N 25A157

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Last Updated: 05/28/2025