SF40A — CAPACITOR,VARIABLE,CERAMIC DIELE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

SF40A: CAPACITOR,VARIABLE,CERAMIC DIELE.

CAPACITOR,VARIABLE,CERAMIC DIELE. Key specifications include body_style: PISTON, body_length: 0.600 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_length: 0.730 INCHES NOMINAL IN, overall_diameter: 0.310 INCHES NOMINAL IN, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC. This part is cataloged in the U.S.

Government catalog under NSN 5910-01-049-0749, 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→ SF40A

NSN: 5910-01-049-0749
FSC: 5910 — Capacitors
CAGE: 18736 — VOLTRONICS CORP (USA)

SPECIFICATIONS

body_style	PISTON
body_length	0.600 INCHES NOMINAL IN
inclosure_type	ENCASED
overall_length	0.730 INCHES NOMINAL IN
overall_diameter	0.310 INCHES NOMINAL IN
nonderated_operating_temp	-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity	1 PIN
capacitance_range_in_picofarads	+1.5 TO 40.0 SINGLE SECTION
quality_factor_at_25_deg_celsius	800.0
nonderated_voltage_rating_and_type	250.0 DC CONTINUOUS SINGLE SECTION
mounting_facility_type_and_quantity	1 TAB
adjustment_device_drive_type_and_quantity	1 SLOTTED SCREW
NSN	5910-01-049-0749

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 TAB

•

NONDERATED VOLTAGE RATING AND TYPE: 250.0 DC CONTINUOUS SINGLE SECTION

•

INCLOSURE TYPE: ENCASED

•

BODY STYLE: PISTON

•

INSULATION DC RESISTANCE AT 25 DEG CELSIUS: 1000.0 GIGOHMS

•

NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC

•

OVERALL DIAMETER: 0.310 INCHES NOMINAL IN

•

CAPACITANCE RANGE IN PICOFARADS: +1.5 TO 40.0 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

MOUNTING FACILITY TYPE AND QUANTITY	1 TAB
NONDERATED VOLTAGE RATING AND TYPE	250.0 DC CONTINUOUS SINGLE SECTION
INCLOSURE TYPE	ENCASED
BODY STYLE	PISTON
INSULATION DC RESISTANCE AT 25 DEG CELSIUS	1000.0 GIGOHMS
NONDERATED OPERATING TEMP	-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
OVERALL DIAMETER	0.310 INCHES NOMINAL IN
CAPACITANCE RANGE IN PICOFARADS	+1.5 TO 40.0 SINGLE SECTION
OVERALL LENGTH	0.730 INCHES NOMINAL IN
BODY LENGTH	0.600 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

149C038H01Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

976257-6Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SF40A?

SF40A is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).

What parts can replace SF40A?

There are 2 known substitutes for SF40A: 149C038H01, 976257-6. Substitute compatibility should be verified for your specific system.

What is the NSN for SF40A?

SF40A is cataloged in the U.S. Government catalog under NSN 5910-01-049-0749. This indicates validated use in U.S. government and defense supply chains.

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SF40A — CAPACITOR,VARIABLE,CERAMIC DIELE

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