#3139A1 Microphone Transformer | Coils And Transformers

3139A1

Audio Frequency Transformer

NSN 5950-00-289-9811

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002899811

Technical Specifications of NSN

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
4.500 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
3.438 inches single mounting facility single center group
Overall Height:
7.688 inches
Impedance Rating In Ohms:
2100.0 single component all primary
Frequency Rating:
200.0 hertz single component and 8.0 kilohertz single component
Maximum Transformer Power Rating:
500.0 watts single component
Body Length:
5.875 inches
Body Width:
4.750 inches
Body Height:
7.000 inches
Inclosure Type:
Hermetically sealed
Mounting Facility Quantity:
4 single group
Mounting Method:
Threaded stud single group
Winding Function And Quantity:
2 primary single component and 2 secondary single component
Thready Qty Per Inch (tpi):
20 single group
Thread Size:
0.250 inches single group
Winding Operating Current:
6.0 milliamperes dc single component all primary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
9 standoff, solder lug
NSN:
5950-00-289-9811
Item Name:
Microphone Transformer
Cage Code:
72149

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
60302
Cage Code:
12763
RNCC:
3
RNVC:
2
RNAAC:
XX
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 3139A1

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Last Updated: 05/18/2025