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Technical Data Sheet
KR651 ✓ 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 color: RED, material: STEEL, top_till: PROVIDED, lock_type: KEY, body_width: 1.125 INCHES MAXIMUM IN, body_height: 1.625 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-829-3296, 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
KR651
NSN: 5950-00-829-3296
FSC: 5950
CAGE: 80223 — UNITED TRANSFORMER CORP SUB OF OPT INDUSTRIES INC (USA)
SPECIFICATIONS
colorRED
materialSTEEL
top_tillPROVIDED
lock_typeKEY
body_width1.125 INCHES MAXIMUM IN
body_height1.625 INCHES MAXIMUM IN
body_length1.250 INCHES MAXIMUM IN
panel_frontNOT PROVIDED
overall_width21.594 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height25.375 INCHES NOMINAL IN
overall_length35.625 INCHES NOMINAL IN
NSN5950-00-829-3296
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN KR651 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP
RELIABILITY INDICATOR: NOT ESTABLISHED
NOMINAL THREAD SIZE: 0.112 INCHES SINGLE GROUP IN
TRANSFORMER FUNCTION: LINE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY WIDTH: 1.125 INCHES MAXIMUM IN
WINDING OPERATING CURRENT: 100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
FREQUENCY RATING: 6.0 KILOHERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
RELIABILITY INDICATORNOT ESTABLISHED
NOMINAL THREAD SIZE0.112 INCHES SINGLE GROUP IN
TRANSFORMER FUNCTIONLINE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY WIDTH1.125 INCHES MAXIMUM IN
WINDING OPERATING CURRENT100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
FREQUENCY RATING6.0 KILOHERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY LENGTH1.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
677-0309-010Interchangeable
interchangeable cross-reference
interchangeable
11079Interchangeable
interchangeable cross-reference
interchangeable
50240Interchangeable
interchangeable cross-reference
interchangeable
402X4Interchangeable
interchangeable cross-reference
interchangeable
B18.3Interchangeable
interchangeable cross-reference
interchangeable
43020Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KR651?
KR651 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace KR651?
There are 16 known substitutes for KR651: 677-0309-010, 11079, 50240 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KR651?
KR651 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-829-3296. This indicates validated use in U.S. government and defense supply chains.
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