281-0080-00 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

281-0080-00: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include material: STEATITE BASE, body_style: PLATE-MESHING, overall_width: 0.421 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN, plate_air_gap: 0.010 INCHES IN, inclosure_type: UNINCLOSED, overall_height: 0.441 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-439-5637, 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→ 281-0080-00

NSN: 5910-00-439-5637
FSC: 5910 — Capacitors
CAGE: 80009 — TEKTRONIX, INC. (USA)

SPECIFICATIONS

material	STEATITE BASE
body_style	PLATE-MESHING
overall_width	0.421 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
plate_air_gap	0.010 INCHES IN
inclosure_type	UNINCLOSED
overall_height	0.441 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
overall_length	0.578 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
plate_quantity	12
terminal_length	0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
fragility_factor	MODERATELY RUGGED
precious_material	SILVER
terminal_thickness	0.016 INCHES NOMINAL IN
NSN	5910-00-439-5637

COMPONENT DIAGRAM

KEY FEATURES

•

PLATE AIR GAP: 0.010 INCHES IN

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)

•

NONDERATED VOLTAGE RATING AND TYPE: 650.0 AC PEAK SINGLE SECTION

•

INCLOSURE TYPE: UNINCLOSED

•

TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: 45.0 SINGLE SECTION

•

FRAGILITY FACTOR: MODERATELY RUGGED

•

CAPACITANCE DRIFT IN PICOFARADS: 0.04 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

PLATE AIR GAP	0.010 INCHES IN
MOUNTING FACILITY TYPE AND QUANTITY	2 UNTHREADED HOLE(S)
OVERALL HEIGHT	0.441 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
NONDERATED VOLTAGE RATING AND TYPE	650.0 AC PEAK SINGLE SECTION
INCLOSURE TYPE	UNINCLOSED
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS	45.0 SINGLE SECTION
FRAGILITY FACTOR	MODERATELY RUGGED
CAPACITANCE DRIFT IN PICOFARADS	0.04 SINGLE SECTION
BODY STYLE	PLATE-MESHING
INSULATION DC RESISTANCE AT 25 DEG CELSIUS	100000.0 MEGOHMS

SUBSTITUTES & CROSS-REFERENCES 3

189-0005-005Reference document

Same NSN cross-reference

Reference document — Secondary reference

189-5-5Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

189-0505-075Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 281-0080-00?

281-0080-00 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).

What parts can replace 281-0080-00?

There are 3 known substitutes for 281-0080-00: 189-0005-005, 189-5-5, 189-0505-075. Substitute compatibility should be verified for your specific system.

What is the NSN for 281-0080-00?

281-0080-00 is cataloged in the U.S. Government catalog under NSN 5910-00-439-5637. This indicates validated use in U.S. government and defense supply chains.

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281-0080-00 — CAPACITOR,VARIABLE,AIR DIELECTRI

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