#TF4S1YY Audio Transformer | Coils And Transformers

TF4S1YY

Audio Frequency Transformer

NSN 5950-01-241-9850

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
012419850

Detail Specifications

Reliability Indicator:
Not established
Overall Length:
2.146 inches
Mounting Hole Diameter:
0.150 inches single group
Impedance Rating In Ohms:
600.0 single component single primary
Impedance Rating In Ohms:
8.0 single component single secondary
Frequency Rating:
250.0 hertz and 5.0 kilohertz single component
Maximum Transformer Power Rating:
2.0 watts single component
Body Outside Diameter:
1.332 inches
Maximum Operating Temp:
130.0 degrees celsius
Distance Between Mounting Facility Centers:
1.593 inches single mounting facility single center group
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
2 single group
Mounting Method:
Flange and unthreaded hole single group
Winding Function And Quantity:
1 primary and 1 secondary single component
Test Data Document:
81349-mil-prf-27/2 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity:
4 standoff, solder lug
Specification Data:
81349-mil-t-27/2 government specification
NSN:
5950-01-241-9850
Item Name:
Transformer,audio
Cage Code:
00348

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
M27/2-01
Cage Code:
81349
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
M27/2-02
Cage Code:
81349
RNCC:
2
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
MIL-PRF-27/2
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
TF4S21YY
Cage Code:
00348
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AF
Part Number:
MIL-T-27/2
Cage Code:
81349
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 TF4S1YY

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Last Updated: 08/10/2025