187-0303-125 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

187-0303-125: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include body_style: PLATE-MESHING, overall_width: 0.320 INCHES NOMINAL IN, plate_air_gap: 0.008 INCHES IN, inclosure_type: UNINCLOSED, overall_height: 0.528 INCHES NOMINAL IN, overall_length: 0.359 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5910-01-012-3997, 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→ 187-0303-125

NSN: 5910-01-012-3997
FSC: 5910 — Capacitors
CAGE: 71313 — VIKING TECHNOLOGIES, LTD. (USA)

SPECIFICATIONS

body_style	PLATE-MESHING
overall_width	0.320 INCHES NOMINAL IN
plate_air_gap	0.008 INCHES IN
inclosure_type	UNINCLOSED
overall_height	0.528 INCHES NOMINAL IN
overall_length	0.359 INCHES NOMINAL IN
plate_quantity	6
tuning_characteristic	STRAIGHT LINE CAPACITY SINGLE SECTION
adjustment_device_torque	1.500 INCH-OUNCES MINIMUM AND 8.000 INCH-OUNCES MAXIMUM IN
split-stator_rotary_plate_type	DIFFERENTIAL
capacitance_range_in_picofarads	+1.3 TO 5.4 SINGLE SECTION
unthreaded_mounting_hole_diameter	0.056 INCHES NOMINAL IN
NSN	5910-01-012-3997

COMPONENT DIAGRAM

KEY FEATURES

•

PLATE AIR GAP: 0.008 INCHES IN

•

MOUNTING FACILITY TYPE AND QUANTITY: 3 TERMINAL

•

NONDERATED VOLTAGE RATING AND TYPE: 250.0 AC PEAK SINGLE SECTION

•

INCLOSURE TYPE: UNINCLOSED

•

TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: 30.0 SINGLE SECTION

•

BODY STYLE: PLATE-MESHING

•

CAPACITANCE RANGE IN PICOFARADS: +1.3 TO 5.4 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	0.008 INCHES IN
MOUNTING FACILITY TYPE AND QUANTITY	3 TERMINAL
OVERALL HEIGHT	0.528 INCHES NOMINAL IN
NONDERATED VOLTAGE RATING AND TYPE	250.0 AC PEAK SINGLE SECTION
INCLOSURE TYPE	UNINCLOSED
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS	30.0 SINGLE SECTION
BODY STYLE	PLATE-MESHING
CAPACITANCE RANGE IN PICOFARADS	+1.3 TO 5.4 SINGLE SECTION
UNTHREADED MOUNTING HOLE DIAMETER	0.056 INCHES NOMINAL IN
OVERALL LENGTH	0.359 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5910 — Capacitors

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5910-00-000-1038 5910-00-000-1049 5910-00-000-1080 5910-00-000-6838 5910-00-001-1913 5910-00-001-2576 5910-00-001-2577 5910-00-001-2578

SUBSTITUTES & CROSS-REFERENCES 2

187-0103-195Reference document

Same NSN cross-reference

Reference document — Secondary reference

0121-0453Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 187-0303-125?

187-0303-125 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).

What parts can replace 187-0303-125?

There are 2 known substitutes for 187-0303-125: 187-0103-195, 0121-0453. Substitute compatibility should be verified for your specific system.

What is the NSN for 187-0303-125?

187-0303-125 is cataloged in the U.S. Government catalog under NSN 5910-01-012-3997. This indicates validated use in U.S. government and defense supply chains.

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187-0303-125 — CAPACITOR,VARIABLE,AIR DIELECTRI

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