MIL-C-81/9 — Technical Data Sheet

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— · 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 body_style: ROTARY, body_height: 0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, body_diameter: 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, inclosure_type: ENCASED, terminal_length: 0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, terminal_location: END OPPOSITE ADJUSTMENT CONTROL PERPENDICULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-246-9649, 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→ MIL-C-81/9

NSN: 5910-01-246-9649
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

body_style	ROTARY
body_height	0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
body_diameter	0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
inclosure_type	ENCASED
terminal_length	0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
terminal_location	END OPPOSITE ADJUSTMENT CONTROL PERPENDICULAR
terminal_thickness	0.003 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN
adjustment_device_torque	0.050 INCH-OUNCES MINIMUM AND 1.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp	-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity	2 PRINTED CIRCUIT
specification/standard_data	81349-MIL-C-81/9 GOVERNMENT SPECIFICATION
capacitance_drift_in_picofarads	0.50 SINGLE SECTION
NSN	5910-01-246-9649

COMPONENT DIAGRAM

KEY FEATURES

•

TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: -1500.0 SINGLE SECTION

•

DISSIPATION FACTOR AT 25 DEG CELSIUS IN PERCENT: 0.2

•

ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SQUARE HOLE

•

TERMINAL THICKNESS: 0.004 INCHES NOMINAL IN

•

TERMINAL TYPE AND QUANTITY: 2 PRINTED CIRCUIT

•

SPECIFICATION/STANDARD DATA: 81349-MIL-C-81/9 GOVERNMENT SPECIFICATION

•

CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.140 INCHES NOMINAL IN

•

INCLOSURE TYPE: ENCASED

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)

TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS	-1500.0 SINGLE SECTION
DISSIPATION FACTOR AT 25 DEG CELSIUS IN PERCENT	0.2
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY	1 SQUARE HOLE
TERMINAL THICKNESS	0.004 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY	2 PRINTED CIRCUIT
SPECIFICATION/STANDARD DATA	81349-MIL-C-81/9 GOVERNMENT SPECIFICATION
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER	0.140 INCHES NOMINAL IN
INCLOSURE TYPE	ENCASED
NONDERATED OPERATING TEMP	-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NONDERATED VOLTAGE RATING AND TYPE	250.0 DC CONTINUOUS SINGLE SECTION

VERIFIED SUBSTITUTES & CROSS-REFERENCES 23

SE 8AInterchangeable