#638-004 Microphone Transformer | Coils And Transformers

638-004

Audio Frequency Transformer

NSN 5950-00-507-6434

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005076434

Detail Specifications

Reliability Indicator:
Not established
Mounting Hole Diameter:
0.250 inches single group
Impedance Rating In Ohms:
4.0 single component single secondary and 500.0 single component single secondary
Impedance Rating In Ohms:
5000.0 single component single primary
Frequency Rating:
250.0 hertz single component and 2.3 kilohertz single component
Maximum Transformer Power Rating:
5.0 watts single component
Body Length:
1.875 inches
Body Width:
1.500 inches
Body Height:
1.750 inches
Distance Between Mounting Facility Centers:
1.719 inches single mounting facility single center group
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
2 single group
Mounting Method:
Flange single group and unthreaded hole single group
Winding Function And Quantity:
1 primary single component and 1 secondary single component
Winding Operating Current:
20.0 milliamperes dc single component single primary
Terminal Type And Quantity:
5 wire lead
NSN:
5950-00-507-6434
Item Name:
Microphone Transformer
Cage Code:
13848

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
992-0638-004
Cage Code:
13848
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Audio Frequency Transformers
------------ P/N 638-004

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Last Updated: 06/07/2025