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Technical Data Sheet
PartsTable / MRO / TM-28
TM-28 ✓ 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,GLASS DIELECT. Key specifications include material: SILICON SEMICONDUCTOR, inclosure_type: ENCASED, features_provided: HERMETICALLY SEALED CASE, terminal_type_and_quantity: 2 TAB, SOLDER LUG, capacitance_range_in_picofarads: +1.0 TO 28.0 SINGLE SECTION, adjustment_device_drive_type_and_quantity: 1 SLOTTED SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-194-0261, 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→ TM-28
NSN: 3455-00-194-0261
FSC: 3455
CAGE: 56370 — QUINCO TOOL PRODUCTS CO INC (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
inclosure_typeENCASED
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 TAB, SOLDER LUG
capacitance_range_in_picofarads+1.0 TO 28.0 SINGLE SECTION
adjustment_device_drive_type_and_quantity1 SLOTTED SCREW
NSN3455-00-194-0261
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,GLASS DIELECT TITLE COMPONENT PN TM-28 MFR CAPACITOR,VARIABLE,GLA
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 23
298-278-2Interchangeable
interchangeable cross-reference
interchangeable
10917068Interchangeable
interchangeable cross-reference
interchangeable
9HE282Interchangeable
interchangeable cross-reference
interchangeable
43035Interchangeable
interchangeable cross-reference
interchangeable
716-080718Interchangeable
interchangeable cross-reference
interchangeable
D-661Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TM-28?
TM-28 is a CAPACITOR,VARIABLE,GLASS DIELECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace TM-28?
There are 23 known substitutes for TM-28: 298-278-2, 10917068, 9HE282 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TM-28?
TM-28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-194-0261. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026