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Technical Data Sheet
PartsTable / COMPONENT / A-3103
A-3103 ✓ 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_style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, body_width: 0.641 INCHES MAXIMUM IN, body_height: 0.625 INCHES MAXIMUM IN, body_length: 0.766 INCHES MAXIMUM IN, power_rating: 2.0 WATTS AVERAGE AND 200.0 WATTS PEAK, inclosure_type: FULLY INCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-647-6809, 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
A-3103
NSN: 5950-00-647-6809
FSC: 5950
CAGE: 04445 — ATLAS ENGINEERING CO (USA)
SPECIFICATIONS
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
body_width0.641 INCHES MAXIMUM IN
body_height0.625 INCHES MAXIMUM IN
body_length0.766 INCHES MAXIMUM IN
power_rating2.0 WATTS AVERAGE AND 200.0 WATTS PEAK
inclosure_typeFULLY INCLOSED
overall_length1.240 INCHES NOMINAL IN
frequency_range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
mounting_methodCONNECTOR
frequency_rating1.5 KILOHERTZ NOMINAL SINGLE COMPONENT
overall_diameter0.380 INCHES NOMINAL IN
application_designTRANSMISSION LINE
NSN5950-00-647-6809
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN A-3103 MFR TRANSFORMER,POWER
KEY FEATURES
•
WINDING SHIELDING METHOD: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
BODY LENGTH: 4.312 INCHES NOMINAL IN
•
WINDING OPERATING CURRENT: 350.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
BODY HEIGHT: 5.562 INCHES NOMINAL IN
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
WINDING SHIELDING METHODINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY LENGTH4.312 INCHES NOMINAL IN
WINDING OPERATING CURRENT350.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY HEIGHT5.562 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
BODY WIDTH3.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
T772Interchangeable
interchangeable cross-reference
interchangeable
10557403-5Interchangeable
interchangeable cross-reference
interchangeable
A3103Interchangeable
interchangeable cross-reference
interchangeable
3390/289/2Interchangeable
interchangeable cross-reference
interchangeable
435332-21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-3103?
A-3103 is a TRANSFORMER,POWER.
What parts can replace A-3103?
There are 5 known substitutes for A-3103: T772, 10557403-5, A3103 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-3103?
A-3103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-647-6809. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026