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Technical Data Sheet
PartsTable / COMPONENT / FD61-875
FD61-875 ✓ 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: 1.312 INCHES NOMINAL IN, body_height: 1.750 INCHES NOMINAL IN, body_length: 1.312 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 40.0 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 5950-00-556-9850, 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
FD61-875
NSN: 5950-00-556-9850
FSC: 5950
CAGE: 13483 — PRECISION ELECTRONICS, INC (USA)
SPECIFICATIONS
body_width1.312 INCHES NOMINAL IN
body_height1.750 INCHES NOMINAL IN
body_length1.312 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating40.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
NSN5950-00-556-9850
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN FD61-875 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING OPERATING CURRENT: 3.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
•
WINDING SHIELDING METHOD: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
•
IMPEDANCE RATING IN OHMS: 80000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
WINDING OPERATING CURRENT3.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
WINDING SHIELDING METHODINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
IMPEDANCE RATING IN OHMS80000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
BODY WIDTH1.312 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
1888299-1Interchangeable
interchangeable cross-reference
interchangeable
5357Interchangeable
interchangeable cross-reference
interchangeable
D15-600WPC32Interchangeable
interchangeable cross-reference
interchangeable
D15-518VPC699Interchangeable
interchangeable cross-reference
interchangeable
D15-561TPC774Interchangeable
interchangeable cross-reference
interchangeable
28-042Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FD61-875?
FD61-875 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace FD61-875?
There are 25 known substitutes for FD61-875: 1888299-1, 5357, D15-600WPC32 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FD61-875?
FD61-875 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-556-9850. 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