#K3977 Microphone Transformer | Coils And Transformers

K3977

Audio Frequency Transformer

NSN 5950-00-647-3615

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
006473615

Detail Specifications

Reliability Indicator:
Not established
Transformer Function:
Input
Impedance Rating In Ohms:
40000.0 single component all secondary
Impedance Rating In Ohms:
8000.0 single component single primary
Frequency Rating:
400.0 hertz single component
Maximum Transformer Power Rating:
100.0 milliwatts single component
Primary To Secondary Turn Ratio:
1 to 1-1/2 single component
Body Length:
1.281 inches
Body Width:
1.125 inches
Body Height:
1.125 inches
Distance Between Mounting Facility Centers:
0.875 inches single mounting facility single center group
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
2 single group
Mounting Method:
Threaded hole single group
Winding Function And Quantity:
1 primary single component and 2 secondary single component
Thready Qty Per Inch (tpi):
40 single group
Thread Size:
0.112 inches single group
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
6 turret
NSN:
5950-00-647-3615
Item Name:
Transformer,microphone
Cage Code:
51181

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
292MS271G1
Cage Code:
49956
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
A6270
Cage Code:
05584
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
PEI 5983
Cage Code:
13483
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
AT2368
Cage Code:
29525
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
C4413
Cage Code:
72149
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
9062940
Cage Code:
18876
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 K3977

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Last Updated: 08/22/2025