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Technical Data Sheet

A4981 — 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

CAPACITOR,VARIABLE,CERAMIC DIELE. Key specifications include body_width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED AND MONOLITHIC AND W/ENABLE AND NEGATIVE OUTPUTS AND POSITIVE OUTPUTS, inclosure_material: CERAMIC AND GLASS, storage_temp_range: -65.0 TO 150.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 6340-00-535-3002, 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
A4981
NSN: 6340-00-535-3002
FSC: 6340
CAGE: 50992 — RANCO INC RANCO CONTROLS DIV (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED AND MONOLITHIC AND W/ENABLE AND NEGATIVE OUTPUTS AND POSITIVE OUTPUTS
inclosure_materialCERAMIC AND GLASS
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_patternDUAL 3 INPUT
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
design_function_and_quantity2 RECEIVER, LINE
time_rating_per_chacteristic50.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
NSN6340-00-535-3002
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN A4981 MFR CAPACITOR,VARIABLE,CER
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
M50-156InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9S6033-113InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
UA9622DCInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
128C834H01InterchangeableGOVERNMENT REGISTRY
Capacitor,variable,ceramic Diele
interchangeable
2898421InterchangeableGOVERNMENT REGISTRY
Capacitor,variable,ceramic Diele
interchangeable
3255393-41InterchangeableGOVERNMENT REGISTRY
Capacitor,variable,ceramic Diele
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A4981?
A4981 is a CAPACITOR,VARIABLE,CERAMIC DIELE.
What parts can replace A4981?
There are 15 known substitutes for A4981: M50-156, 9S6033-113, UA9622DC and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A4981?
A4981 is cataloged in the Federal Logistics Information System under NSN 6340-00-535-3002. This indicates validated use in U.S. government and defense supply chains.
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