#278A Audio Transformer | Coils And Transformers

278A

Audio Frequency Transformer

NSN 5950-00-351-5194

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
003515194

Product Technical Spec.

Reliability Indicator:
Not established
Transformer Function:
Input
Frequency Rating:
800.0 kilohertz single component
Primary To Secondary Turn Ratio:
1 to 1-1/2 to 8-1/3 single component
Body Length:
1.281 inches
Body Width:
1.500 inches
Body Height:
3.469 inches
Distance Between Mounting Facility Centers:
1.000 inches single mounting facility single center group
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
2 single group
Mounting Method:
Threaded stud single group
Winding Function And Quantity:
2 primary single component and 1 secondary single component
Thready Qty Per Inch (tpi):
32 single group
Thread Size:
0.138 inches single group
Winding Operating Current:
5.0 milliamperes dc single component single secondary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
6 tab, solder lug
NSN:
5950-00-351-5194
Item Name:
Audio Transformer
Cage Code:
64959

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
BA111306
Cage Code:
06KW9
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
BA111306
Cage Code:
64959
RNCC:
3
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
BA-111306ISSUE1 (MV)
Cage Code:
64959
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
BA111306(MV)
Cage Code:
64959
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
BA111306
Cage Code:
3B4M0
RNCC:
3
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 278A

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Last Updated: 07/20/2025