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Technical Data Sheet
1803273 ✓ 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: 4.000 INCHES NOMINAL IN, body_height: 2.750 INCHES MAXIMUM IN, body_length: 4.500 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: BRACKET(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL 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 5950-01-054-6662, 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
1803273
NSN: 5950-01-054-6662
FSC: 5950
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
body_width4.000 INCHES NOMINAL IN
body_height2.750 INCHES MAXIMUM IN
body_length4.500 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodBRACKET(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
winding_operating_voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
terminal_type_and_quantity31 PIN
winding_function_and_quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
input-output_phase_relationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
NSN5950-01-054-6662
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 1803273 MFR TRANSFORMER,POWER
KEY FEATURES
INPUT-OUTPUT PHASE RELATIONSHIP: THREE PHASE TO THREE PHASE SINGLE COMPONENT
BODY HEIGHT: 2.750 INCHES MAXIMUM IN
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
BODY LENGTH: 4.500 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
MOUNTING METHOD: BRACKET(S) SINGLE GROUP
BODY WIDTH: 4.000 INCHES NOMINAL IN
WINDING OPERATING VOLTAGE: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TECHNICAL CHARACTERISTICS (FLIS)
INPUT-OUTPUT PHASE RELATIONSHIPTHREE PHASE TO THREE PHASE SINGLE COMPONENT
BODY HEIGHT2.750 INCHES MAXIMUM IN
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
BODY LENGTH4.500 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
MOUNTING METHODBRACKET(S) SINGLE GROUP
BODY WIDTH4.000 INCHES NOMINAL IN
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
INCLOSURE TYPEHERMETICALLY SEALED
TERMINAL TYPE AND QUANTITY31 PIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
11-1-76Interchangeable
interchangeable cross-reference
interchangeable
U47D4Interchangeable
interchangeable cross-reference
interchangeable
A346773Interchangeable
interchangeable cross-reference
interchangeable
0155613-00Interchangeable
interchangeable cross-reference
interchangeable
021636Interchangeable
interchangeable cross-reference
interchangeable
10340Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1803273?
1803273 is a TRANSFORMER,POWER.
What parts can replace 1803273?
There are 12 known substitutes for 1803273: 11-1-76, U47D4, A346773 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1803273?
1803273 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-054-6662. This indicates validated use in U.S. government and defense supply chains.
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