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SM-B-644409 — Technical Data Sheet

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— · 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 0.375 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, coil_form_type: SOLID SINGLE COMPONENT, inclosure_type: FULLY INCLOSED, quality_factor: 80 MINIMUM SINGLE COMPONENT SINGLE WINDING, mounting_method: TERMINAL SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5950-00-253-5128, 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
SM-B-644409
NSN: 5950-00-253-5128
FSC: 5950
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
body_length0.375 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
quality_factor80 MINIMUM SINGLE COMPONENT SINGLE WINDING
mounting_methodTERMINAL SINGLE GROUP
overall_diameter0.312 INCHES NOMINAL IN
inductance_rating3.30 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
reliability_indicatorNOT ESTABLISHED
winding_operating_current1.35 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
terminal_type_and_quantity2 WIRE LEAD
dc_resistance_rating_in_ohms0.200 SINGLE COMPONENT SINGLE WINDING
NSN5950-00-253-5128
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COIL,RADIO FREQUENCY TITLE COMPONENT PN SM-B-644409 MFR COIL,RADIO FREQUENCY
KEY FEATURES
•
INDUCTANCE RATING: 3.30 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
•
INCLOSURE TYPE: FULLY INCLOSED
•
QUALITY FACTOR: 80 MINIMUM SINGLE COMPONENT SINGLE WINDING
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
TERMINAL TYPE AND QUANTITY: 2 WIRE LEAD
•
DC RESISTANCE RATING IN OHMS: 0.200 SINGLE COMPONENT SINGLE WINDING
•
BODY LENGTH: 0.375 INCHES NOMINAL IN
•
RATING METHOD: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
TECHNICAL CHARACTERISTICS
INDUCTANCE RATING3.30 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
INCLOSURE TYPEFULLY INCLOSED
QUALITY FACTOR80 MINIMUM SINGLE COMPONENT SINGLE WINDING
RELIABILITY INDICATORNOT ESTABLISHED
TERMINAL TYPE AND QUANTITY2 WIRE LEAD
DC RESISTANCE RATING IN OHMS0.200 SINGLE COMPONENT SINGLE WINDING
BODY LENGTH0.375 INCHES NOMINAL IN
RATING METHODELECTRICAL SINGLE COMPONENT SINGLE WINDING
OVERALL DIAMETER0.312 INCHES NOMINAL IN
MOUNTING METHODTERMINAL SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MC73354InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
174-285InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1428InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
758997InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
36357InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B36357InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-644409?
SM-B-644409 is a COIL,RADIO FREQUENCY.
What parts can replace SM-B-644409?
There are 7 known substitutes for SM-B-644409: MC73354, 174-285, 1428 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-644409?
SM-B-644409 is cataloged in the Federal Logistics Information System under NSN 5950-00-253-5128. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026