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Technical Data Sheet
B51 ✓ 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,CERAMIC DIELECTR. Key specifications include material: FIBER AND RUBBER BODY, body_width: 0.375 INCHES NOMINAL IN, body_height: 0.406 INCHES NOMINAL IN, body_length: 0.688 INCHES NOMINAL IN, nominal_width: 0.660 INCHES IN, overall_width: 1.430 INCHES MAXIMUM 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 5950-00-229-1500, 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
B51
NSN: 5950-00-229-1500
FSC: 5950
CAGE: 26522 — B G LABORATORIES INC. (USA)
SPECIFICATIONS
materialFIBER AND RUBBER BODY
body_width0.375 INCHES NOMINAL IN
body_height0.406 INCHES NOMINAL IN
body_length0.688 INCHES NOMINAL IN
nominal_width0.660 INCHES IN
overall_width1.430 INCHES MAXIMUM IN
head_thickness0.875 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_length6.87 INCHES MINIMUM AND 8.87 INCHES MAXIMUM IN
drive_end_shapeSQUARE SINGLE END EXTERNAL
mounting_methodTERMINAL SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
NSN5950-00-229-1500
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN B51 MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
WINDING OPERATING VOLTAGE: 2.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
TERMINAL TYPE AND QUANTITY: 5 WIRE LEAD
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
BODY HEIGHT: 0.406 INCHES NOMINAL IN
MOUNTING METHOD: TERMINAL SINGLE GROUP
BODY LENGTH: 0.688 INCHES NOMINAL IN
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
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)
WINDING OPERATING VOLTAGE2.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
TERMINAL TYPE AND QUANTITY5 WIRE LEAD
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
BODY HEIGHT0.406 INCHES NOMINAL IN
MOUNTING METHODTERMINAL SINGLE GROUP
BODY LENGTH0.688 INCHES NOMINAL IN
WINDING OPERATING VOLTAGE31.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
INCLOSURE TYPEFULLY INCLOSED
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
AS4283Interchangeable
interchangeable cross-reference
interchangeable
9U-6637AInterchangeable
interchangeable cross-reference
interchangeable
GGG-W-641Interchangeable
interchangeable cross-reference
interchangeable
10103168Interchangeable
interchangeable cross-reference
interchangeable
B51Interchangeable
interchangeable cross-reference
interchangeable
CD700-0121Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B51?
B51 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace B51?
There are 11 known substitutes for B51: AS4283, 9U-6637A, GGG-W-641 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B51?
B51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-229-1500. This indicates validated use in U.S. government and defense supply chains.
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