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TP12A3 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 3.188 INCHES MAXIMUM IN, body_height: 2.625 INCHES MAXIMUM IN, body_length: 3.062 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: FLANGE AND SLOT SINGLE GROUP, frequency_rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-789-8365, 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
TP12A3
NSN: 5950-00-789-8365
FSC: 5950
CAGE: 81160 — FOSTER TRANSFORMER CO DIV FOSTER TRANSFORMER COMPANY (USA)
SPECIFICATIONS
body_width3.188 INCHES MAXIMUM IN
body_height2.625 INCHES MAXIMUM IN
body_length3.062 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodFLANGE AND SLOT SINGLE GROUP
frequency_rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
mounting_slot_width0.188 INCHES NOMINAL SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
winding_operating_current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
winding_operating_voltage12.60 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
mounting_facility_quantity4 SINGLE GROUP
terminal_type_and_quantity14 WIRE LEAD
NSN5950-00-789-8365
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN TP12A3 MFR TRANSFORMER,POWER
KEY FEATURES
•
WINDING FUNCTION AND QUANTITY: 2 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
BODY WIDTH: 3.188 INCHES MAXIMUM IN
•
WINDING OPERATING VOLTAGE: 480.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
•
MOUNTING SLOT WIDTH: 0.188 INCHES NOMINAL SINGLE GROUP IN
•
MOUNTING METHOD: FLANGE AND SLOT SINGLE GROUP
•
INCLOSURE TYPE: FULLY INCLOSED
TECHNICAL CHARACTERISTICS (FLIS)
WINDING FUNCTION AND QUANTITY2 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY WIDTH3.188 INCHES MAXIMUM IN
WINDING OPERATING VOLTAGE480.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
MOUNTING SLOT WIDTH0.188 INCHES NOMINAL SINGLE GROUP IN
MOUNTING METHODFLANGE AND SLOT SINGLE GROUP
INCLOSURE TYPEFULLY INCLOSED
BODY LENGTH3.062 INCHES MAXIMUM IN
WINDING OPERATING CURRENT1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1330LInterchangeable
interchangeable cross-reference
interchangeable
12781Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
500Interchangeable
interchangeable cross-reference
interchangeable
2511 9/64Interchangeable
interchangeable cross-reference
interchangeable
110 9/64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TP12A3?
TP12A3 is a TRANSFORMER,POWER.
What parts can replace TP12A3?
There are 12 known substitutes for TP12A3: 1330L, 12781, GGG-D-751 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TP12A3?
TP12A3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-789-8365. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026