PartsTable
Technical Data Sheet
F40CWU3 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include base_style: MEDIUM BIPIN (FLUORESCENT), bulb_style: T ("U" SHAPED TUBULAR), overall_length: 24.000 INCHES NOMINAL IN, wattage_rating: 40.000 WATTS, bulb_designator: T-12, special_features: ENERGY SAVER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-01-344-4823, 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
F40CWU3
NSN: 6240-01-344-4823
FSC: 6240
CAGE: 08805 — GENERAL ELECTRIC COMPANY DBA GE (USA)
SPECIFICATIONS
base_styleMEDIUM BIPIN (FLUORESCENT)
bulb_styleT ("U" SHAPED TUBULAR)
overall_length24.000 INCHES NOMINAL IN
wattage_rating40.000 WATTS
bulb_designatorT-12
special_featuresENERGY SAVER
rated_average_lifeHOURS
starting_characteristicRAPID
average_life_rating_in_hours12000.0
emitted_light_characteristicWHITE, COOL
criticality_code_justificationFEAT
NSN6240-01-344-4823
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN F40CWU3 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
WATTAGE RATING: 40.000 WATTS
CRITICALITY CODE JUSTIFICATION: FEAT
RATED AVERAGE LIFE: HOURS
STARTING CHARACTERISTIC: RAPID
AVERAGE LIFE RATING IN HOURS: 12000.0
BULB DESIGNATOR: T-12
EMITTED LIGHT CHARACTERISTIC: WHITE, COOL
BASE STYLE: MEDIUM BIPIN (FLUORESCENT)
TECHNICAL CHARACTERISTICS (FLIS)
WATTAGE RATING40.000 WATTS
CRITICALITY CODE JUSTIFICATIONFEAT
RATED AVERAGE LIFEHOURS
STARTING CHARACTERISTICRAPID
AVERAGE LIFE RATING IN HOURS12000.0
BULB DESIGNATORT-12
EMITTED LIGHT CHARACTERISTICWHITE, COOL
BASE STYLEMEDIUM BIPIN (FLUORESCENT)
BULB STYLET ("U" SHAPED TUBULAR)
SPECIAL FEATURESENERGY SAVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
39638Interchangeable
interchangeable cross-reference
interchangeable
XVU6-63015-36Interchangeable
interchangeable cross-reference
interchangeable
39631Interchangeable
interchangeable cross-reference
interchangeable
0096237Interchangeable
interchangeable cross-reference
interchangeable
3963Interchangeable
interchangeable cross-reference
interchangeable
3355Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F40CWU3?
F40CWU3 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace F40CWU3?
There are 8 known substitutes for F40CWU3: 39638, XVU6-63015-36, 39631 and 5 more. Substitute compatibility should be verified for your specific system.
Is F40CWU3 still available?
F40CWU3 is currently cancelled.
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