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Technical Data Sheet
81271 ✓ 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 overall_length: 0.260 INCHES MAXIMUM IN, transfer_ratio: 120.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.370 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-126-3666, 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
81271
NSN: 5365-00-126-3666
FSC: 5365
CAGE: 82722 — WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (USA)
SPECIFICATIONS
overall_length0.260 INCHES MAXIMUM IN
transfer_ratio120.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.370 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
end_item_identification1650009446741 8102-10 SERVOCYLINDER
terminal_circle_diameter0.210 INCHES MAXIMUM IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
NSN5365-00-126-3666
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSISTOR TITLE COMPONENT PN 81271 MFR TRANSISTOR
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION22108043614,22108145291,19253753002
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
8127-1Interchangeable
interchangeable cross-reference
interchangeable
352-0863-011Interchangeable
interchangeable cross-reference
interchangeable
JAN2N5109Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-19500/453Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81271?
81271 is a TRANSISTOR.
What parts can replace 81271?
There are 4 known substitutes for 81271: 8127-1, 352-0863-011, JAN2N5109 and 1 more. Substitute compatibility should be verified for your specific system.
Is 81271 still available?
81271 is currently cancelled.
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