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Technical Data Sheet
PartsTable / COMPONENT / 55C205
55C205 ✓ 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,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 2.938 INCHES NOMINAL IN, body_height: 2.656 INCHES NOMINAL IN, body_length: 2.688 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 250.0 HERTZ MINIMUM AND 20.0 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 5950-00-645-7765, 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
55C205
NSN: 5950-00-645-7765
FSC: 5950
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
body_width2.938 INCHES NOMINAL IN
body_height2.656 INCHES NOMINAL IN
body_length2.688 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating250.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.190 INCHES NOMINAL SINGLE GROUP IN
impedance_rating_in_ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity6 SINGLE GROUP
terminal_type_and_quantity5 TAB, SOLDER LUG
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
NSN5950-00-645-7765
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 55C205 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
MOUNTING HOLE DIAMETER: 0.190 INCHES NOMINAL SINGLE GROUP IN
•
TERMINAL TYPE AND QUANTITY: 5 TAB, SOLDER LUG
•
MOUNTING FACILITY QUANTITY: 6 SINGLE GROUP
•
BODY HEIGHT: 2.656 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
MAXIMUM TRANSFORMER POWER RATING: 1.5 WATTS SINGLE COMPONENT
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE DIAMETER0.190 INCHES NOMINAL SINGLE GROUP IN
TERMINAL TYPE AND QUANTITY5 TAB, SOLDER LUG
MOUNTING FACILITY QUANTITY6 SINGLE GROUP
BODY HEIGHT2.656 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
MAXIMUM TRANSFORMER POWER RATING1.5 WATTS SINGLE COMPONENT
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
IMPEDANCE RATING IN OHMS9000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
3856Interchangeable
interchangeable cross-reference
interchangeable
8681888Interchangeable
interchangeable cross-reference
interchangeable
3856L1Interchangeable
interchangeable cross-reference
interchangeable
3856-4INInterchangeable
interchangeable cross-reference
interchangeable
3926Interchangeable
interchangeable cross-reference
interchangeable
R1983CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55C205?
55C205 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 55C205?
There are 14 known substitutes for 55C205: 3856, 8681888, 3856L1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55C205?
55C205 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-645-7765. 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