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Technical Data Sheet
657736-1 ✓ 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_length: 0.800 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: TERMINAL SINGLE GROUP, frequency_rating: 40.0 KILOHERTZ NOMINAL SINGLE COMPONENT, body_outside_diameter: 1.300 INCHES MAXIMUM IN, reliability_indicator: NOT ESTABLISHED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-177-9544, 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
657736-1
NSN: 5950-01-177-9544
FSC: 5950
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
body_length0.800 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodTERMINAL SINGLE GROUP
frequency_rating40.0 KILOHERTZ NOMINAL SINGLE COMPONENT
body_outside_diameter1.300 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp130.0 CELSIUS DEGC
winding_operating_current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
winding_operating_voltage54.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
terminal_type_and_quantity9 PIN
winding_function_and_quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
input-output_phase_relationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
NSN5950-01-177-9544
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 657736-1 MFR TRANSFORMER,POWER
KEY FEATURES
RELIABILITY INDICATOR: NOT ESTABLISHED
WINDING OPERATING CURRENT: 30.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
BODY OUTSIDE DIAMETER: 1.300 INCHES MAXIMUM IN
MOUNTING METHOD: TERMINAL SINGLE GROUP
TERMINAL TYPE AND QUANTITY: 9 PIN
INCLOSURE TYPE: FULLY INCLOSED
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
WINDING OPERATING CURRENT30.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
BODY OUTSIDE DIAMETER1.300 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL SINGLE GROUP
TERMINAL TYPE AND QUANTITY9 PIN
INCLOSURE TYPEFULLY INCLOSED
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
WINDING OPERATING CURRENT2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
FREQUENCY RATING40.0 KILOHERTZ NOMINAL SINGLE COMPONENT
WINDING OPERATING VOLTAGE54.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
FFS86Interchangeable
interchangeable cross-reference
interchangeable
LK21262-54Interchangeable
interchangeable cross-reference
interchangeable
28320-1Interchangeable
interchangeable cross-reference
interchangeable
945837Interchangeable
interchangeable cross-reference
interchangeable
124254R1Interchangeable
interchangeable cross-reference
interchangeable
927395Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 657736-1?
657736-1 is a TRANSFORMER,POWER.
What parts can replace 657736-1?
There are 15 known substitutes for 657736-1: FFS86, LK21262-54, 28320-1 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 657736-1?
657736-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-177-9544. This indicates validated use in U.S. government and defense supply chains.
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