#T1557 Audiofrequency-input Transformer | Coils And Transformers

T1557

Audio Frequency Transformer

NSN 5950-00-864-9397

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
008649397

Detail Specifications

Reliability Indicator:
Not established
Overall Height:
2.010 inches
Impedance Rating In Ohms:
381.0 single component single primary
Impedance Rating In Ohms:
381.0 single component single secondary
Frequency Rating:
4.0 kilohertz single component
Maximum Transformer Power Rating:
2.0 watts single component
Primary To Secondary Turn Ratio:
1 to 1 single component
Body Length:
1.140 inches
Body Width:
0.800 inches
Body Height:
1.390 inches
Distance Between Mounting Facility Centers:
0.440 inches single mounting facility single center group
Inclosure Type:
Hermetically sealed
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):
32 single group
Thread Size:
0.138 inches single group
Winding Operating Current:
26.0 milliamperes dc single component single primary
Winding Operating Current:
26.0 milliamperes dc single component single secondary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
5 standoff, solder lug
NSN:
5950-00-864-9397
Item Name:
Transformer,audiofrequency-input
Cage Code:
98330

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
1063909
Cage Code:
28527
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
663MR20T1
Cage Code:
D8385
RNCC:
5
RNVC:
2
RNAAC:
ZG
Status:
A
MSDS:
SADC:
Part Number:
1063909REVC
Cage Code:
28527
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
1063909
Cage Code:
98738
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
T1557A
Cage Code:
98330
RNCC:
5
RNVC:
2
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 T1557

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Last Updated: 08/04/2025