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ES945 — MICROPHONE,CAPACITOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ES945: MICROPHONE,CAPACITOR.

The MICROPHONE,CAPACITOR is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include length: 2.72 INCHES NOMINAL IN, diameter: 1.10 INCHES NOMINAL IN, impedance_rating: 200.0 OHMS NOMINAL, unpackaged_unit_weight: 63.0 GRAMS NOMINAL G, sound_pickup_directional_type: OMNIDIRECTIONAL, part_name_assigned_by_controlling_agency: MICROPHONE,CAPACITOR. This part is cataloged in the U.S.

Government catalog under NSN 5965-01-663-9394, 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
ES945
NSN: 5965-01-663-9394
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
CAGE: 47822 — AUDIO-TECHNICA U.S., INC. (USA)
SPECIFICATIONS
length2.72 INCHES NOMINAL IN
diameter1.10 INCHES NOMINAL IN
impedance_rating200.0 OHMS NOMINAL
unpackaged_unit_weight63.0 GRAMS NOMINAL G
sound_pickup_directional_typeOMNIDIRECTIONAL
part_name_assigned_by_controlling_agencyMICROPHONE,CAPACITOR
NSN5965-01-663-9394
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROPHONE,CAPACITOR TITLE COMPONENT PN ES945 MFR MICROPHONE,CAPACITOR
KEY FEATURES
•
UNPACKAGED UNIT WEIGHT: 63.0 GRAMS NOMINAL G
•
LENGTH: 2.72 INCHES NOMINAL IN
•
SOUND PICKUP DIRECTIONAL TYPE: OMNIDIRECTIONAL
•
DIAMETER: 1.10 INCHES NOMINAL IN
•
IMPEDANCE RATING: 200.0 OHMS NOMINAL
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
UNPACKAGED UNIT WEIGHT63.0 GRAMS NOMINAL G
LENGTH2.72 INCHES NOMINAL IN
SOUND PICKUP DIRECTIONAL TYPEOMNIDIRECTIONAL
DIAMETER1.10 INCHES NOMINAL IN
IMPEDANCE RATING200.0 OHMS NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYMICROPHONE,CAPACITOR
OTHER ITEMS IN FSC 5965 — Headsets, Handsets, Microphones and Speakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5965-00-001-1492 5965-00-001-7591 5965-00-001-7592 5965-00-001-7593 5965-00-003-2686 5965-00-003-2690 5965-00-003-4754 5965-00-004-5510
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ES945?
ES945 is a MICROPHONE,CAPACITOR.
What is the NSN for ES945?
ES945 is cataloged in the U.S. Government catalog under NSN 5965-01-663-9394. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.