#311A1 Microphone Transformer | Coils And Transformers

311A1

Audio Frequency Transformer

NSN 5950-00-683-7296

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
006837296

Product Technical Spec.

Reliability Indicator:
Not established
Overall Height:
1.625 inches
Impedance Rating In Ohms:
2500.0 single component single primary
Impedance Rating In Ohms:
500.0 single component single secondary
Frequency Rating:
400.0 hertz single component
Primary To Secondary Turn Ratio:
1 to 2-1/4 single component
Body Length:
1.062 inches
Body Width:
0.969 inches
Body Height:
1.438 inches
Distance Between Mounting Facility Centers:
0.656 inches single mounting facility single center group
Inclosure Type:
Open
Mounting Facility Quantity:
2 single group
Mounting Method:
Threaded hole single group
Winding Function And Quantity:
1 primary single component and 1 secondary single component
Thready Qty Per Inch (tpi):
40 single group
Thread Size:
0.112 inches single group
Winding Operating Current:
15.0 milliamperes dc single component single primary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
5 turret
NSN:
5950-00-683-7296
Item Name:
Microphone Transformer
Cage Code:
72149

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
10043711
Cage Code:
18876
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
45936
Cage Code:
0LG51
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
292-4996G1
Cage Code:
3B150
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
45936
Cage Code:
04386
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
292-4996G1
Cage Code:
49956
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
25909
Cage Code:
07397
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
292-4996G1
Cage Code:
54X10
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Pricing & Availability

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Audio Frequency Transformers
------------ P/N 311A1

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Last Updated: 05/29/2025