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Technical Data Sheet
BB261U ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: PLASTIC PHENOL FORMALDEHYDE (PMO) CASE, plate_type: NEGATIVE AND POSITIVE, temp_rating: 0.0 FAHRENHEIT DEGF, overall_width: 6.938 INCHES NOMINAL IN, terminal_type: PLUG-IN, overall_height: 4.219 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-00-500-0610, 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
BB261U
NSN: 6140-00-500-0610
FSC: 6140
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
materialPLASTIC PHENOL FORMALDEHYDE (PMO) CASE
plate_typeNEGATIVE AND POSITIVE
temp_rating0.0 FAHRENHEIT DEGF
cell_quantity3
overall_width6.938 INCHES NOMINAL IN
terminal_typePLUG-IN
overall_height4.219 INCHES NOMINAL IN
overall_length7.313 INCHES NOMINAL IN
submersibilityNONSUBMERSIBLE
case_design_typeFILLING PLUG OPENINGS
voltage_in_volts6.0
terminal_locationTOP
NSN6140-00-500-0610
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN BB261U MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
VOLTAGE IN VOLTS: 6.0
TERMINAL QUANTITY: 2
MATERIAL: PLASTIC PHENOL FORMALDEHYDE (PMO) CASE
DISCHARGE TIME IN MINUTES: 20.0
SUBMERSIBILITY: NONSUBMERSIBLE
CELL QUANTITY: 3
BATTERY ELECTROLYTE: ACID
TIME CAPACITY IN HOURS: 20.00
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 (FLIS)
VOLTAGE IN VOLTS6.0
TERMINAL QUANTITY2
MATERIALPLASTIC PHENOL FORMALDEHYDE (PMO) CASE
DISCHARGE TIME IN MINUTES20.0
SUBMERSIBILITYNONSUBMERSIBLE
CELL QUANTITY3
BATTERY ELECTROLYTEACID
TIME CAPACITY IN HOURS20.00
TEMP RATING0.0 FAHRENHEIT DEGF
OVERALL WIDTH6.938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
8647Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
32960Interchangeable
interchangeable cross-reference
interchangeable
MILC3659Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB261U?
BB261U is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace BB261U?
There are 18 known substitutes for BB261U: 8647, ASTM B221, AMS-QQ-A-200/3 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB261U?
BB261U is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-00-500-0610. This indicates validated use in U.S. government and defense supply chains.
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