#55C028-2 Microphone Transformer | Coils And Transformers

55C028-2

Audio Frequency Transformer

NSN 5950-00-263-1029

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002631029

Product Technical Spec.

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
6.125 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
3.125 inches single mounting facility single center group
Mounting Slot Width:
0.406 inches single group
Impedance Rating In Ohms:
16000.0 single component single primary
Impedance Rating In Ohms:
8335.0 single component single secondary
Frequency Rating:
100.0 hertz single component and 1.0 kilohertz single component
Maximum Transformer Power Rating:
250.0 watts single component
Primary To Secondary Turn Ratio:
1 to 1-1/2 single component
Winding Shielding Method:
Internal shield brought out to terminal single component
Body Length:
10.750 inches
Body Width:
7.312 inches
Body Height:
6.375 inches
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
4 single group
Mounting Method:
Flange single group and slot single group
Winding Function And Quantity:
1 primary single component and 1 secondary single component
Winding Operating Current:
265.0 milliamperes dc single component single secondary
Terminal Type And Quantity:
6 threaded stud
NSN:
5950-00-263-1029
Item Name:
Microphone Transformer
Cage Code:
26916

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
55C028
Cage Code:
26916
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
20531
Cage Code:
97520
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
10A58
Cage Code:
80089
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
20531
Cage Code:
80089
RNCC:
5
RNVC:
9
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 55C028-2

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Last Updated: 07/20/2025