T1857 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

T1857: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 0.453 INCHES NOMINAL IN, body_height: 0.531 INCHES NOMINAL IN, body_length: 0.531 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_height: 0.719 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN, mounting_method: PLUG-IN SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-320-3050, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

T1857

NSN: 5950-00-320-3050
FSC: 5950 — Coils and Transformers
CAGE: 24765 — TRANSFORMERS INC (USA)

SPECIFICATIONS

body_width	0.453 INCHES NOMINAL IN
body_height	0.531 INCHES NOMINAL IN
body_length	0.531 INCHES NOMINAL IN
inclosure_type	FULLY INCLOSED
overall_height	0.719 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
mounting_method	PLUG-IN SINGLE GROUP
frequency_rating	200.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
reliability_indicator	NOT ESTABLISHED
impedance_rating_in_ohms	600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
terminal_type_and_quantity	5 PIN
winding_function_and_quantity	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
primary_to_secondary_turn_ratio	1-1/4 TO 1 SINGLE COMPONENT
NSN	5950-00-320-3050

COMPONENT DIAGRAM

KEY FEATURES

•

INCLOSURE TYPE: FULLY INCLOSED

•

MOUNTING METHOD: PLUG-IN SINGLE GROUP

•

BODY WIDTH: 0.453 INCHES NOMINAL IN

•

BODY HEIGHT: 0.531 INCHES NOMINAL IN

•

WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT

•

IMPEDANCE RATING IN OHMS: 900.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.719 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
INCLOSURE TYPE	FULLY INCLOSED
MOUNTING METHOD	PLUG-IN SINGLE GROUP
BODY WIDTH	0.453 INCHES NOMINAL IN
BODY HEIGHT	0.531 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
IMPEDANCE RATING IN OHMS	900.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
IMPEDANCE RATING IN OHMS	600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
BODY LENGTH	0.531 INCHES NOMINAL IN
RELIABILITY INDICATOR	NOT ESTABLISHED

OTHER ITEMS IN FSC 5950 — Coils and Transformers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5950-00-000-0146 5950-00-001-1372 5950-00-001-1386 5950-00-001-1410 5950-00-001-1411 5950-00-001-1412 5950-00-001-1413 5950-00-001-1414

SUBSTITUTES & CROSS-REFERENCES 3

TI857Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

560008-001Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

215T26-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is T1857?

T1857 is a TRANSFORMER,AUDIO FREQUENCY.

What parts can replace T1857?

There are 3 known substitutes for T1857: TI857, 560008-001, 215T26-3. Substitute compatibility should be verified for your specific system.

What is the NSN for T1857?

T1857 is cataloged in the U.S. Government catalog under NSN 5950-00-320-3050. This indicates validated use in U.S. government and defense supply chains.

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