EF12A — TRANSFORMER,POWER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

EF12A: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include overall_width: 1.313 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_height: 1.750 INCHES NOMINAL IN, overall_length: 1.313 INCHES NOMINAL IN, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-899-1928, 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

EF12A

NSN: 5950-00-899-1928
FSC: 5950 — Coils and Transformers
CAGE: 51181 — KEYTRONICS, INC. DIV API TECHNOLOGIES CORP- MAGNETICS (USA)

SPECIFICATIONS

overall_width	1.313 INCHES NOMINAL IN
inclosure_type	FULLY INCLOSED
overall_height	1.750 INCHES NOMINAL IN
overall_length	1.313 INCHES NOMINAL IN
mounting_method	THREADED HOLE(S) SINGLE GROUP
frequency_rating	400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size	0.138 INCHES SINGLE GROUP IN
reliability_indicator	NOT ESTABLISHED
thread_quantity_per_inch	32 SINGLE GROUP
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current	100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
winding_operating_voltage	15.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
NSN	5950-00-899-1928

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP

•

INCLOSURE TYPE: FULLY INCLOSED

•

INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT

•

MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP

•

WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	1.750 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY	2 SINGLE GROUP
INCLOSURE TYPE	FULLY INCLOSED
INPUT-OUTPUT PHASE RELATIONSHIP	SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MOUNTING METHOD	THREADED HOLE(S) SINGLE GROUP
OVERALL LENGTH	1.313 INCHES NOMINAL IN
OVERALL WIDTH	1.313 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
DISTANCE BETWEEN MOUNTING FACILITY CENTERS	1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
NOMINAL THREAD SIZE	0.138 INCHES SINGLE GROUP IN

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 1

99980SCEE105-1Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 EF12A?

EF12A is a TRANSFORMER,POWER.

What parts can replace EF12A?

There is 1 known substitute for EF12A: 99980SCEE105-1. Substitute compatibility should be verified for your specific system.

What is the NSN for EF12A?

EF12A is cataloged in the U.S. Government catalog under NSN 5950-00-899-1928. This indicates validated use in U.S. government and defense supply chains.

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