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Technical Data Sheet
1N749A ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: GLASS ENCLOSURE, body_style: W/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE, body_width: 0.200 INCHES MAXIMUM IN, body_height: 0.125 INCHES MAXIMUM IN, body_length: 0.200 INCHES MAXIMUM IN, overall_length: 0.120 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-071-9267, 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 1N749A
NSN: 5961-00-071-9267
FSC: 5961
CAGE: 15818 — TELCOM SEMICONDUCTOR INC (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.200 INCHES MAXIMUM IN
body_height0.125 INCHES MAXIMUM IN
body_length0.200 INCHES MAXIMUM IN
overall_length0.120 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM IN
overall_diameter0.055 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
special_test_featuresBURN-IN
NSN5961-00-071-9267
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 1N749A MFR OEM CAPACITOR,FIXED,CERAMIC DIELECTR
KEY FEATURES
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS AMBIENT AIR DEGC
TERMINAL LENGTH: 1.000 INCHES MINIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 4.3 MAXIMUM NOMINAL REGULATOR VOLTAGE
POWER RATING PER CHARACTERISTIC: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
CURRENT RATING PER CHARACTERISTIC: 20.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
MATERIAL: SILICON SEMICONDUCTOR
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)
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS AMBIENT AIR DEGC
TERMINAL LENGTH1.000 INCHES MINIMUM IN
OVERALL LENGTH0.300 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC4.3 MAXIMUM NOMINAL REGULATOR VOLTAGE
POWER RATING PER CHARACTERISTIC400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
CURRENT RATING PER CHARACTERISTIC20.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
MATERIALSILICON SEMICONDUCTOR
MATERIALGLASS ENCLOSURE
OVERALL DIAMETER0.150 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
C320104M1UCAInterchangeable
interchangeable cross-reference
interchangeable
C20C104M5U1CAInterchangeable
interchangeable cross-reference
interchangeable
1N4531Interchangeable
interchangeable cross-reference
interchangeable
1N749AAInterchangeable
interchangeable cross-reference
interchangeable
1N749AInterchangeable
interchangeable cross-reference
interchangeable
947060-7491Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N749A?
1N749A is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1N749A?
There are 15 known substitutes for 1N749A: C320104M1UCA, C20C104M5U1CA, 1N4531 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N749A?
1N749A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-071-9267. This indicates validated use in U.S. government and defense supply chains.
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