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Technical Data Sheet
45149 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM, overall_length: 0.340 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.500 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2540-00-419-3052, 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
45149
NSN: 2540-00-419-3052
FSC: 2540
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialALUMINUM
overall_length0.340 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.500 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
end_item_identification4910-01-090-9859
mounting_facility_quantity2
terminal_type_and_quantity2 PIN AND 1 CASE
specification/standard_data80131-RELEASE4639 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN2540-00-419-3052
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSISTOR TITLE COMPONENT PN 45149 MFR TRANSISTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
266-5321-150Interchangeable
interchangeable cross-reference
interchangeable
933381Interchangeable
interchangeable cross-reference
interchangeable
3310842-1Interchangeable
interchangeable cross-reference
interchangeable
28396Interchangeable
interchangeable cross-reference
interchangeable
28388Interchangeable
interchangeable cross-reference
interchangeable
2721-3630043Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45149?
45149 is a TRANSISTOR.
What parts can replace 45149?
There are 14 known substitutes for 45149: 266-5321-150, 933381, 3310842-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45149?
45149 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2540-00-419-3052. This indicates validated use in U.S. government and defense supply chains.
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