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Technical Data Sheet

2391121 — Technical Data Sheet

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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 CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include base_style: TELEPHONE SLIDE NUMBER FIVE, bulb_style: T (TUBULAR), overall_length: 0.875 INCHES NOMINAL IN, bulb_designator: T-2, rated_average_life: NOT RATED, filament_designation: S-3. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 6240-00-937-5921, 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
2391121
NSN: 6240-00-937-5921
FSC: 6240
CAGE: 0B6S1 — INTERNATIONAL BUSINESS MACHINES CORP PARTS ORDER CENTER DEPT E - 54 (USA)
SPECIFICATIONS
base_styleTELEPHONE SLIDE NUMBER FIVE
bulb_styleT (TUBULAR)
overall_length0.875 INCHES NOMINAL IN
bulb_designatorT-2
rated_average_lifeNOT RATED
filament_designationS-3
emitted_light_characteristicWHITE
filament_heavy_duty_service_ratingNOT RATED
bulb_light_transmission_characteristicTRANSPARENT
NSN6240-00-937-5921
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 2391121 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED
•
FILAMENT DESIGNATION: S-3
•
BULB DESIGNATOR: T-2
•
RATED AVERAGE LIFE: NOT RATED
•
BASE STYLE: TELEPHONE SLIDE NUMBER FIVE
•
EMITTED LIGHT CHARACTERISTIC: WHITE
•
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
FILAMENT DESIGNATIONS-3
OVERALL LENGTH0.875 INCHES NOMINAL IN
BULB DESIGNATORT-2
RATED AVERAGE LIFENOT RATED
BASE STYLETELEPHONE SLIDE NUMBER FIVE
EMITTED LIGHT CHARACTERISTICWHITE
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
BULB STYLET (TUBULAR)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
31012InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
31012-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
VBE61-15InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
UG260UInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
112-1675InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SF31013BTInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2391121?
2391121 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 2391121?
There are 18 known substitutes for 2391121: 31012, 31012-1, VBE61-15 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2391121?
2391121 is cataloged in the Federal Logistics Information System under NSN 6240-00-937-5921. This indicates validated use in U.S. government and defense supply chains.
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