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Technical Data Sheet
CR61/U37M77777 ✓ 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 CR61/U37M77777 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5955-00-583-0170, 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
CR61/U37M77777
NSN: 5955-00-583-0170
FSC: 5955
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberCR61/U37M77777
NSN5955-00-583-0170
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CR61/U37M77777 TITLE COMPONENT PN CR61/U37M77777 MFR CR61/U37M77777
KEY FEATURES
SHUNT CAPACITANCE IN PICOFARADS: 7.0 MAXIMUM
TERMINAL DIAMETER: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
MATERIAL: GLASS COVER HOLDER
TEST DATA DOCUMENT: 81349-MIL-C-3098/38 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SPECIFICATION/STANDARD DATA: 81349-MIL-C-3098/39 GOVERNMENT SPECIFICATION
EQUIVALENT RESISTANCE VALUE IN OHMS: 40.0 MAXIMUM
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: -0.002 TO 0.002 AND -0.004 TO 0.004
DRIVE LEVEL RATING: 0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
SHUNT CAPACITANCE IN PICOFARADS7.0 MAXIMUM
TERMINAL DIAMETER0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
MATERIALGLASS COVER HOLDER
TEST DATA DOCUMENT81349-MIL-C-3098/38 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SPECIFICATION/STANDARD DATA81349-MIL-C-3098/39 GOVERNMENT SPECIFICATION
EQUIVALENT RESISTANCE VALUE IN OHMS40.0 MAXIMUM
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT-0.002 TO 0.002 AND -0.004 TO 0.004
DRIVE LEVEL RATING0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
BODY WIDTH0.402 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
CR61/U20M00000Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-3098/39Interchangeable
interchangeable cross-reference
interchangeable
CR61UInterchangeable
interchangeable cross-reference
interchangeable
CR61/U30M00000Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-3098/39Interchangeable
interchangeable cross-reference
interchangeable
CR61/U35M50000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CR61/U37M77777?
CR61/U37M77777 is a CR61/U37M77777.
What parts can replace CR61/U37M77777?
There are 19 known substitutes for CR61/U37M77777: CR61/U20M00000, MIL-C-3098/39, CR61U and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CR61/U37M77777?
CR61/U37M77777 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5955-00-583-0170. This indicates validated use in U.S. government and defense supply chains.
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