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Technical Data Sheet
ST28681 ✓ 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 REACTOR is a the manufacturer industrial component. Key specifications include body_width: 1.000 INCHES NOMINAL IN, body_height: 0.781 INCHES MAXIMUM IN, body_length: 1.250 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_length: 1.031 INCHES MAXIMUM IN, inductance_type: FIXED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-304-8593, 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
ST28681
NSN: 5950-00-304-8593
FSC: 5950
CAGE: 97102 — STERLING TRANSFORMER CORP (USA)
SPECIFICATIONS
body_width1.000 INCHES NOMINAL IN
body_height0.781 INCHES MAXIMUM IN
body_length1.250 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length1.031 INCHES MAXIMUM IN
inductance_typeFIXED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating2.28 KILOHERTZ NOMINAL SINGLE COMPONENT
winding_quantity1 SINGLE COMPONENT
inductance_rating800.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
nominal_thread_size0.112 INCHES SINGLE GROUP IN
thread_quantity_per_inch40 SINGLE GROUP
NSN5950-00-304-8593
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR TITLE COMPONENT PN ST28681 MFR REACTOR
KEY FEATURES
MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
INDUCTANCE TYPE: FIXED
DC RESISTANCE RATING IN OHMS: 0.150 SINGLE COMPONENT SINGLE WINDING
NOMINAL THREAD SIZE: 0.112 INCHES SINGLE GROUP IN
WINDING QUANTITY: 1 SINGLE COMPONENT
BODY HEIGHT: 0.781 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
INDUCTANCE TYPEFIXED
DC RESISTANCE RATING IN OHMS0.150 SINGLE COMPONENT SINGLE WINDING
NOMINAL THREAD SIZE0.112 INCHES SINGLE GROUP IN
WINDING QUANTITY1 SINGLE COMPONENT
BODY HEIGHT0.781 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TERMINAL TYPE AND QUANTITY2 WIRE HOOK
INCLOSURE TYPEFULLY INCLOSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
U7250Interchangeable
interchangeable cross-reference
interchangeable
5252Interchangeable
interchangeable cross-reference
interchangeable
U3100Interchangeable
interchangeable cross-reference
interchangeable
K8685053Interchangeable
interchangeable cross-reference
interchangeable
K797Interchangeable
interchangeable cross-reference
interchangeable
797Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST28681?
ST28681 is a REACTOR.
What parts can replace ST28681?
There are 11 known substitutes for ST28681: U7250, 5252, U3100 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST28681?
ST28681 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-304-8593. This indicates validated use in U.S. government and defense supply chains.
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