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Technical Data Sheet
MIL-PRF-26542 ✓ Verified by PartsTable
· COMPONENT
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

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 width: 1.015 INCHES MINIMUM AND 1.045 INCHES MAXIMUM IN, height: 0.320 INCHES NOMINAL IN, length: 1.245 INCHES NOMINAL IN, body_style: MASK TYPE, mounting_method: CLIP, impedance_rating: 4.0 OHMS MINIMUM AND 6.0 OHMS MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-988-8770, 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
MIL-PRF-26542
NSN: 5965-00-988-8770
FSC: 5965
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
width1.015 INCHES MINIMUM AND 1.045 INCHES MAXIMUM IN
height0.320 INCHES NOMINAL IN
length1.245 INCHES NOMINAL IN
body_styleMASK TYPE
mounting_methodCLIP
impedance_rating4.0 OHMS MINIMUM AND 6.0 OHMS MAXIMUM
polarity_connectionNOT REQUIRED
accessory_componentsCONNECTOR
extended_cable_length1.5 FEET NOMINAL FT
functional_description150 OHMS IMPEDANCE MICROPHONE USED IN GAS MASKS. INCLUDES CORD ASSEMBLY
cable_conductor_quantity2
connector_identificationJJ-055
NSN5965-00-988-8770
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROPHONE,CAPACITOR TITLE COMPONENT PN MIL-PRF-26542 MFR MICROPHONE,CAPACITOR
KEY FEATURES
FUNCTIONAL DESCRIPTION: 150 OHMS IMPEDANCE MICROPHONE USED IN GAS MASKS. INCLUDES CORD ASSEMBLY
OUTPUT SENSITIVITY RATING IN DECIBELS: 125.0
MOUNTING METHOD: CLIP
SOUND PICKUP DIRECTIONAL TYPE: OMNIDIRECTIONAL
CONNECTOR MANUFACTURER CODE: 80063
HEIGHT: 0.500 INCHES NOMINAL IN
IMPEDANCE RATING: 150.0 OHMS NOMINAL
OUTPUT SENSITIVITY RATING REFERENCE: 0.0002 DYNES PER SQ CENTIMETER
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)
FUNCTIONAL DESCRIPTION150 OHMS IMPEDANCE MICROPHONE USED IN GAS MASKS. INCLUDES CORD ASSEMBLY
OUTPUT SENSITIVITY RATING IN DECIBELS125.0
MOUNTING METHODCLIP
SOUND PICKUP DIRECTIONAL TYPEOMNIDIRECTIONAL
CONNECTOR MANUFACTURER CODE80063
HEIGHT0.500 INCHES NOMINAL IN
IMPEDANCE RATING150.0 OHMS NOMINAL
OUTPUT SENSITIVITY RATING REFERENCE0.0002 DYNES PER SQ CENTIMETER
POLARITY CONNECTIONNOT REQUIRED
ACCESSORY COMPONENTSCONNECTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
M26542/11-02Interchangeable
interchangeable cross-reference
interchangeable
M26542/11Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-26542Interchangeable
interchangeable cross-reference
interchangeable
M169Interchangeable
interchangeable cross-reference
interchangeable
5965PL1659093Interchangeable
interchangeable cross-reference
interchangeable
11436Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-PRF-26542?
MIL-PRF-26542 is a MICROPHONE,CAPACITOR.
What parts can replace MIL-PRF-26542?
There are 16 known substitutes for MIL-PRF-26542: M26542/11-02, M26542/11, MIL-PRF-26542 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-PRF-26542?
MIL-PRF-26542 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-988-8770. This indicates validated use in U.S. government and defense supply chains.
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