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Technical Data Sheet
A3873 ✓ 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: 2.500 INCHES MAXIMUM IN, body_height: 3.031 INCHES MAXIMUM IN, body_length: 3.094 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 380.0 HERTZ MINIMUM AND 1.6 KILOHERTZ 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 6220-00-099-8619, 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
A3873
NSN: 6220-00-099-8619
FSC: 6220
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
body_width2.500 INCHES MAXIMUM IN
body_height3.031 INCHES MAXIMUM IN
body_length3.094 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 1.6 KILOHERTZ MAXIMUM SINGLE COMPONENT
special_features1PRIMARY; 9 SECONDARY WINDINGS
nominal_thread_size0.164 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
winding_operating_current2.7 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
NSN6220-00-099-8619
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN A3873 MFR TRANSFORMER,POWER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
325C134Interchangeable
interchangeable cross-reference
interchangeable
A3873Interchangeable
interchangeable cross-reference
interchangeable
20345Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3873?
A3873 is a TRANSFORMER,POWER.
What parts can replace A3873?
There are 3 known substitutes for A3873: 325C134, A3873, 20345. Substitute compatibility should be verified for your specific system.
What is the NSN for A3873?
A3873 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6220-00-099-8619. This indicates validated use in U.S. government and defense supply chains.
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