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Technical Data Sheet
PartsTable / MRO / MTR-508
MTR-508 ✓ 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,CERAMIC DIELE. Key specifications include material: CERAMIC CAPACITIVE ELECTRODE, body_style: PISTON, body_length: 0.406 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN, inclosure_type: ENCASED, overall_length: 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN, terminal_length: 0.500 INCHES NOMINAL 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 5910-01-051-3505, 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→ MTR-508
NSN: 5910-01-051-3505
FSC: 5910
CAGE: 2W239 — MICROELECTRONICS LTD (ISR)
SPECIFICATIONS
materialCERAMIC CAPACITIVE ELECTRODE
body_stylePISTON
body_length0.406 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
inclosure_typeENCASED
overall_length0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
terminal_length0.500 INCHES NOMINAL IN
fragility_factorMODERATELY RUGGED
overall_diameter0.118 INCHES NOMINAL IN
terminal_thickness0.010 INCHES NOMINAL IN
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity1 FERRULE AND 1 RIBBON
capacitance_drift_in_picofarads0.01 SINGLE SECTION
NSN5910-01-051-3505
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN MTR-508 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
INSULATION DC RESISTANCE AT 25 DEG CELSIUS: 100.0 GIGOHMS
•
BODY LENGTH: 0.406 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
•
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS: -75.0 TO 75.0 SINGLE SECTION
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 TERMINAL
•
FRAGILITY FACTOR: MODERATELY RUGGED
•
TERMINAL TYPE AND QUANTITY: 1 FERRULE AND 1 RIBBON
•
INSULATION DC RESISTANCE AT MAX OPERATING TEMP: 10.0 GIGOHMS
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)
INSULATION DC RESISTANCE AT 25 DEG CELSIUS100.0 GIGOHMS
BODY LENGTH0.406 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS-75.0 TO 75.0 SINGLE SECTION
MOUNTING FACILITY TYPE AND QUANTITY2 TERMINAL
FRAGILITY FACTORMODERATELY RUGGED
TERMINAL TYPE AND QUANTITY1 FERRULE AND 1 RIBBON
INSULATION DC RESISTANCE AT MAX OPERATING TEMP10.0 GIGOHMS
NONDERATED VOLTAGE RATING AND TYPE500.0 DC CONTINUOUS SINGLE SECTION
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS350.0 SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
10284620-10Interchangeable
interchangeable cross-reference
interchangeable
12-00972-001Interchangeable
interchangeable cross-reference
interchangeable
7293Interchangeable
interchangeable cross-reference
interchangeable
7431561P16Interchangeable
interchangeable cross-reference
interchangeable
3183820PC3346Interchangeable
interchangeable cross-reference
interchangeable
72930Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MTR-508?
MTR-508 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace MTR-508?
There are 13 known substitutes for MTR-508: 10284620-10, 12-00972-001, 7293 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MTR-508?
MTR-508 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-051-3505. 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