#56-90021-1 Microphone Transformer | Coils And Transformers

56-90021-1

Audio Frequency Transformer

NSN 5950-00-280-4668

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002804668

Product Technical Spec.

Reliability Indicator:
Not established
Transformer Function:
Input
Impedance Rating In Ohms:
50.0 single component single primary
Impedance Rating In Ohms:
50000.0 single component single secondary
Frequency Rating:
5.0 hertz single component and 10.0 kilohertz single component
Primary To Secondary Turn Ratio:
1 to 31-1/2 single component
Body Length:
1.531 inches
Body Width:
1.531 inches
Body Height:
2.000 inches
Distance Between Mounting Facility Centers:
1.125 inches single mounting facility single center group
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
2 single group
Mounting Method:
Threaded stud single group
Winding Function And Quantity:
1 primary single component and 1 secondary single component
Thready Qty Per Inch (tpi):
32 single group
Thread Size:
0.138 inches single group
Winding Operating Current:
2.0 milliamperes dc single component single primary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
4 standoff, solder lug
NSN:
5950-00-280-4668
Item Name:
Transformer,microphone
Cage Code:
94923

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
56-90021-1
Cage Code:
80368
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
56-90021-1
Cage Code:
04655
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
292-2155G1
Cage Code:
49956
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
292-2155G1B
Cage Code:
49956
RNCC:
5
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Audio Frequency Transformers
------------ P/N 56-90021-1

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Last Updated: 08/08/2025