PartsTable
Technical Data Sheet
CM8-640 ✓ 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 base_style: WIRE LEADS, DOWN, bulb_style: T (TUBULAR), overall_length: 0.460 INCHES MAXIMUM IN, voltage_rating: 14.000 VOLTS NOMINAL, wattage_rating: 1.120 WATTS, bulb_designator: T-1 1/4. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-570-9884, 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
CM8-640
NSN: 6240-00-570-9884
FSC: 6240
CAGE: 71744 — CHICAGO MINIATURE LIGHTING LLC DBA CHICAGO MINIATURE OPTOELECTRON (USA)
SPECIFICATIONS
base_styleWIRE LEADS, DOWN
bulb_styleT (TUBULAR)
overall_length0.460 INCHES MAXIMUM IN
voltage_rating14.000 VOLTS NOMINAL
wattage_rating1.120 WATTS
bulb_designatorT-1 1/4
wire_lead_length0.500 INCHES MINIMUM IN
rated_average_lifeHOURS
light_output_rating0.530 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
filament_designationC-2F
specification/standard_data08108-8640 MANUFACTURERS STANDARD
average_life_rating_in_hours2500.0
NSN6240-00-570-9884
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN CM8-640 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
BULB STYLE: T (TUBULAR)
FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED
SPECIFICATION/STANDARD DATA: 08108-8640 MANUFACTURERS STANDARD
AVERAGE LIFE RATING IN HOURS: 2500.0
BASE STYLE: WIRE LEADS, DOWN
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
RATED AVERAGE LIFE: HOURS
WATTAGE RATING: 1.120 WATTS
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)
BULB STYLET (TUBULAR)
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
SPECIFICATION/STANDARD DATA08108-8640 MANUFACTURERS STANDARD
AVERAGE LIFE RATING IN HOURS2500.0
BASE STYLEWIRE LEADS, DOWN
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
RATED AVERAGE LIFEHOURS
WATTAGE RATING1.120 WATTS
LIGHT OUTPUT RATING0.530 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
CURRENT RATING FOR WHICH DESIGNED0.080 AMPERES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
684Interchangeable
interchangeable cross-reference
interchangeable
86-040Interchangeable
interchangeable cross-reference
interchangeable
342C186H01Interchangeable
interchangeable cross-reference
interchangeable
9163495Interchangeable
interchangeable cross-reference
interchangeable
748Interchangeable
interchangeable cross-reference
interchangeable
74-178Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CM8-640?
CM8-640 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace CM8-640?
There are 26 known substitutes for CM8-640: 684, 86-040, 342C186H01 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CM8-640?
CM8-640 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-570-9884. This indicates validated use in U.S. government and defense supply chains.
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