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Technical Data Sheet
121-45-1 ✓ 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_width: 1.250 INCHES NOMINAL IN, body_height: 2.200 INCHES NOMINAL IN, body_length: 2.500 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(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 4320-00-977-2799, 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
121-45-1
NSN: 4320-00-977-2799
FSC: 4320
CAGE: 1W383 — TOOLEX, INC DBA TOOLEX INC (USA)
SPECIFICATIONS
body_width1.250 INCHES NOMINAL IN
body_height2.200 INCHES NOMINAL IN
body_length2.500 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.112 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp155.0 CELSIUS DEGC
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage5.78 AC VOLTS NOMINAL AND 8.06 AC VOLTS NOMINAL AND 10.45 AC VOLTS NOMINAL AND 14.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
NSN4320-00-977-2799
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 121-45-1 MFR TRANSFORMER,POWER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
42449Interchangeable
interchangeable cross-reference
interchangeable
321101-1Interchangeable
interchangeable cross-reference
interchangeable
121451Interchangeable
interchangeable cross-reference
interchangeable
1362292G1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121-45-1?
121-45-1 is a TRANSFORMER,POWER.
What parts can replace 121-45-1?
There are 4 known substitutes for 121-45-1: 42449, 321101-1, 121451 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121-45-1?
121-45-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-977-2799. This indicates validated use in U.S. government and defense supply chains.
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