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Technical Data Sheet
B2512 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include diameter: 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, overall_width: 0.540 INCHES NOMINAL IN, overall_height: 0.170 INCHES NOMINAL IN, overall_length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, shear_strength: 1000 DOUBLE POUND, mounting_method: TERMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-143-0960, 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
B2512
NSN: 5961-01-143-0960
FSC: 5961
CAGE: 58135 — ACRIAN INC (USA)
SPECIFICATIONS
diameter0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
overall_width0.540 INCHES NOMINAL IN
overall_height0.170 INCHES NOMINAL IN
overall_length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
shear_strength1000 DOUBLE POUND
mounting_methodTERMINAL
terminal_length0.225 INCHES NOMINAL IN
special_featuresBLACK OILED FINISH
style_designatorSLOTTED
features_providedHERMETICALLY SEALED CASE
material_thickness0.022 INCHES NOMINAL IN
internal_configurationJUNCTION CONTACT
NSN5961-01-143-0960
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 B2512 MFR OEM TRANSISTOR
KEY FEATURES
INTERNAL CONFIGURATION: JUNCTION CONTACT
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 150.0 CELSIUS JUNCTION DEGC
CURRENT RATING PER CHARACTERISTIC: 220.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
SEMICONDUCTOR MATERIAL: SILICON
MOUNTING METHOD: TERMINAL
POWER RATING PER CHARACTERISTIC: 25.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CONFIGURATIONJUNCTION CONTACT
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT150.0 CELSIUS JUNCTION DEGC
OVERALL WIDTH0.540 INCHES NOMINAL IN
CURRENT RATING PER CHARACTERISTIC220.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
SEMICONDUCTOR MATERIALSILICON
MOUNTING METHODTERMINAL
OVERALL LENGTH1.000 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC25.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL TYPE AND QUANTITY3 RIBBON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
B2512Interchangeable
interchangeable cross-reference
interchangeable
NAS561-3-6Interchangeable
interchangeable cross-reference
interchangeable
2N6082Interchangeable
Same NIIN cross-reference
interchangeable
CD-2767Interchangeable
Same NIIN cross-reference
interchangeable
RELEASE 6228Interchangeable
Same NIIN cross-reference
interchangeable
1274-35Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B2512?
B2512 is a TRANSISTOR.
What parts can replace B2512?
There are 6 known substitutes for B2512: B2512, NAS561-3-6, 2N6082 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B2512?
B2512 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-143-0960. This indicates validated use in U.S. government and defense supply chains.
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