C18939 — TRANSFORMER,POWER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

C18939: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include overall_width: 3.750 INCHES MAXIMUM IN, inclosure_type: OPEN, overall_height: 4.375 INCHES NOMINAL IN, overall_length: 5.250 INCHES NOMINAL IN, frequency_rating: 50.0 HERTZ MINIMUM OR 400.0 HERTZ MAXIMUM ALL COMPONENTS, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the U.S.

Government catalog under NSN 5950-01-470-2938, 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

C18939

NSN: 5950-01-470-2938
FSC: 5950 — Coils and Transformers
CAGE: 72149 — ELECTRONIC TRANSFORMER CORP DIV ELECTRONIC TRANSFORMER CORPORATION (USA)

SPECIFICATIONS

overall_width	3.750 INCHES MAXIMUM IN
inclosure_type	OPEN
overall_height	4.375 INCHES NOMINAL IN
overall_length	5.250 INCHES NOMINAL IN
frequency_rating	50.0 HERTZ MINIMUM OR 400.0 HERTZ MAXIMUM ALL COMPONENTS
reliability_indicator	NOT ESTABLISHED
end_item_identification	E/I 6115-01-462-0290, 6115-01-462-0291, 6115-01-462-0292, 6115-01-461-9335
winding_operating_current	1.82 AMPERES AC NOMINAL ALL COMPONENTS SECOND SECONDARY
winding_operating_voltage	26.00 AC VOLTS NOMINAL ALL COMPONENTS THIRD SECONDARY
terminal_type_and_quantity	7 TAB W/SCREW
input-output_phase_relationship	SINGLE PHASE TO SINGLE PHASE ALL COMPONENTS
NSN	5950-01-470-2938

COMPONENT DIAGRAM

KEY FEATURES

•

INCLOSURE TYPE: OPEN

•

INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE ALL COMPONENTS

•

WINDING OPERATING CURRENT: 1.82 AMPERES AC NOMINAL ALL COMPONENTS SECOND SECONDARY

•

RELIABILITY INDICATOR: NOT ESTABLISHED

•

FREQUENCY RATING: 50.0 HERTZ MINIMUM OR 400.0 HERTZ MAXIMUM ALL COMPONENTS

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	4.375 INCHES NOMINAL IN
INCLOSURE TYPE	OPEN
INPUT-OUTPUT PHASE RELATIONSHIP	SINGLE PHASE TO SINGLE PHASE ALL COMPONENTS
OVERALL LENGTH	5.250 INCHES NOMINAL IN
OVERALL WIDTH	3.750 INCHES MAXIMUM IN
WINDING OPERATING CURRENT	1.82 AMPERES AC NOMINAL ALL COMPONENTS SECOND SECONDARY
RELIABILITY INDICATOR	NOT ESTABLISHED
FREQUENCY RATING	50.0 HERTZ MINIMUM OR 400.0 HERTZ MAXIMUM ALL COMPONENTS
END ITEM IDENTIFICATION	E/I 6115-01-462-0290, 6115-01-462-0291, 6115-01-462-0292, 6115-01-461-9335
WINDING OPERATING VOLTAGE	155.00 AC VOLTS NOMINAL ALL COMPONENTS SECOND SECONDARY

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

96-23619Reference document

Same NSN cross-reference

Reference document — Secondary reference

CC1-00380-110LReference document

Same NSN cross-reference

Reference document — Design control — primary reference

17910/298 0-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is C18939?

C18939 is a TRANSFORMER,POWER.

What parts can replace C18939?

There are 3 known substitutes for C18939: 96-23619, CC1-00380-110L, 17910/298 0-1. Substitute compatibility should be verified for your specific system.

What is the NSN for C18939?

C18939 is cataloged in the U.S. Government catalog under NSN 5950-01-470-2938. This indicates validated use in U.S. government and defense supply chains.

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