PartsTable
Technical Data Sheet
257501 ✓ 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,MICA DIELECTRIC. Key specifications include material: COPPER ALLOY BODY, body_style: W/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE, body_width: 0.351 INCHES MAXIMUM IN, body_height: 0.163 INCHES MAXIMUM IN, body_length: 0.446 INCHES MAXIMUM IN, overall_length: 0.170 INCHES MINIMUM AND 0.210 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 5961-00-144-2468, 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 257501
NSN: 5961-00-144-2468
FSC: 5961
CAGE: 89536 — FLUKE CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.351 INCHES MAXIMUM IN
body_height0.163 INCHES MAXIMUM IN
body_length0.446 INCHES MAXIMUM IN
overall_length0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
mounting_methodTERMINAL
terminal_length1.250 INCHES MINIMUM IN
connection_stylePLAIN, OPTIONAL END (PIPE) ALL ENDS
overall_diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
special_featuresSWING CHECK TYPE.
NSN5961-00-144-2468
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 257501 MFR OEM CAPACITOR,FIXED,MICA DIELECTRIC
KEY FEATURES
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
COMPONENT NAME AND QUANTITY: 2 TRANSISTOR
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
OVERALL DIAMETER: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
MOUNTING METHOD: TERMINAL
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TERMINAL TYPE AND QUANTITY: 6 UNINSULATED WIRE LEAD
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)
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
COMPONENT NAME AND QUANTITY2 TRANSISTOR
TERMINAL LENGTH0.500 INCHES MINIMUM IN
OVERALL LENGTH0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
OVERALL DIAMETER0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL TYPE AND QUANTITY6 UNINSULATED WIRE LEAD
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC-20.0 MAXIMUM GATE TO SOURCE VOLTAGE ALL TRANSISTOR
CURRENT RATING PER CHARACTERISTIC10.00 MILLIAMPERES MAXIMUM DRAIN CURRENT ALL TRANSISTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
5003-015Interchangeable
interchangeable cross-reference
interchangeable
2N5197Interchangeable
interchangeable cross-reference
interchangeable
1937160-1Interchangeable
interchangeable cross-reference
interchangeable
257501Interchangeable
interchangeable cross-reference
interchangeable
DM15D200JInterchangeable
interchangeable cross-reference
interchangeable
99 1 1/4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 257501?
257501 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 257501?
There are 13 known substitutes for 257501: 5003-015, 2N5197, 1937160-1 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 257501?
257501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-144-2468. This indicates validated use in U.S. government and defense supply chains.
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