PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 2501B
2501B ✓ Verified by PartsTable
— · SFP TRANSCEIVER
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

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE, body_width: 0.265 INCHES MAXIMUM IN, body_height: 0.160 INCHES NOMINAL IN, body_length: 0.800 INCHES MAXIMUM IN, temp_rating: 212.0 FAHRENHEIT SINGLE RESPONSE DEGF, exterior_color: RED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-093-9169, 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
2501B
NSN: 5961-00-093-9169
FSC: 5961
CAGE: 04713 — FREESCALE SEMICONDUCTOR, INC. (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE
body_width0.265 INCHES MAXIMUM IN
body_height0.160 INCHES NOMINAL IN
body_length0.800 INCHES MAXIMUM IN
temp_rating212.0 FAHRENHEIT SINGLE RESPONSE DEGF
exterior_colorRED
overall_length0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
inside_diameter0.750 INCHES NOMINAL IN
memory_capacityUNKNOWN
mounting_methodTERMINALTERMINAL
terminal_length1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN
outside_diameter1.090 INCHES NOMINAL IN
NSN5961-00-093-9169
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 2501B MFR OEM RELAY,ELECTROMAGNETIC
KEY FEATURES
•
FEATURES PROVIDED: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
•
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
•
MOUNTING METHOD: TERMINALTERMINAL
•
OVERALL DIAMETER: 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
•
INTERNAL CONFIGURATION: JUNCTION CONTACTJUNCTION CONTACT
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
OVERALL LENGTH0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
MOUNTING METHODTERMINALTERMINAL
OVERALL DIAMETER0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACTJUNCTION CONTACT
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
TERMINAL LENGTH1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPNJUNCTION PATTERN ARRANGEMENT: NPN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5163823Interchangeable
interchangeable cross-reference
interchangeable
5150157Interchangeable
interchangeable cross-reference
interchangeable
5112401Interchangeable
interchangeable cross-reference
interchangeable
2501NInterchangeable
interchangeable cross-reference
interchangeable
2501BInterchangeable
interchangeable cross-reference
interchangeable
IM7512MDEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2501B?
2501B is a RELAY,ELECTROMAGNETIC.
What parts can replace 2501B?
There are 17 known substitutes for 2501B: 5163823, 5150157, 5112401 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2501B?
2501B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-093-9169. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026