PartsTable
Technical Data Sheet
8091-D ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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,VARIABLE,AIR DIELECTRI. Key specifications include body_style: PISTON, body_length: 0.297 INCHES NOMINAL IN, thread_class: 2A A, bushing_shape: ROUND, bushing_length: 0.172 INCHES NOMINAL IN, inclosure_type: ENCAPSULATED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-033-8489, 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
MRO MRO_GENERAL 8091-D
NSN: 5910-01-033-8489
FSC: 5910
CAGE: 91293 — KNOWLES CAZENOVIA, INC. DIV JOHANSON MANUFACTURING (USA)
SPECIFICATIONS
body_stylePISTON
body_length0.297 INCHES NOMINAL IN
thread_class2A A
bushing_shapeROUND
bushing_length0.172 INCHES NOMINAL IN
inclosure_typeENCAPSULATED
overall_length0.469 INCHES NOMINAL IN
bushing_diameter0.234 INCHES NOMINAL IN
overall_diameter0.281 INCHES NOMINAL IN
nominal_thread_size0.234 INCHES IN
tuning_characteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
adjustment_device_torque1.000 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN
NSN5910-01-033-8489
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 8091-D MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
INCLOSURE TYPE: ENCAPSULATED
ADJUSTMENT DEVICE TORQUE: 1.000 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: 0.0 SINGLE SECTION
QUALITY FACTOR AT 25 DEG CELSIUS: 2000.0
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS: -20.0 TO 20.0 SINGLE SECTION
TUNING CHARACTERISTIC: STRAIGHT LINE CAPACITY SINGLE SECTION
BUSHING SHAPE: ROUND
CAPACITANCE RANGE IN PICOFARADS: +1.5 TO 14.0 SINGLE SECTION
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)
INCLOSURE TYPEENCAPSULATED
ADJUSTMENT DEVICE TORQUE1.000 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS0.0 SINGLE SECTION
QUALITY FACTOR AT 25 DEG CELSIUS2000.0
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS-20.0 TO 20.0 SINGLE SECTION
TUNING CHARACTERISTICSTRAIGHT LINE CAPACITY SINGLE SECTION
BUSHING SHAPEROUND
CAPACITANCE RANGE IN PICOFARADS+1.5 TO 14.0 SINGLE SECTION
INSULATION DC RESISTANCE AT 25 DEG CELSIUS1000.0 GIGOHMS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
BRA121Interchangeable
interchangeable cross-reference
interchangeable
8091Interchangeable
interchangeable cross-reference
interchangeable
08091Interchangeable
interchangeable cross-reference
interchangeable
53-523-6Interchangeable
interchangeable cross-reference
interchangeable
650369Interchangeable
interchangeable cross-reference
interchangeable
AC7203Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8091-D?
8091-D is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8091-D?
There are 12 known substitutes for 8091-D: BRA121, 8091, 08091 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8091-D?
8091-D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-033-8489. This indicates validated use in U.S. government and defense supply chains.
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