PartsTable
Technical Data Sheet
2N444B ✓ 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 overall_length: 0.085 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.230 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, internal_configuration: FIELD EFFECT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-454-6864, 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
2N444B
NSN: 5961-00-454-6864
FSC: 5961
CAGE: 21845 — SOLITRON DEVICES, INC. (USA)
SPECIFICATIONS
overall_length0.085 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE5516 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic400.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic100.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-454-6864
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 2N444B MFR OEM TRANSISTOR
KEY FEATURES
SEMICONDUCTOR MATERIAL: SILICON
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
CURRENT RATING PER CHARACTERISTIC: 100.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
MOUNTING METHOD: TERMINAL
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASE: GATE
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS (FLIS)
SEMICONDUCTOR MATERIALSILICON
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
CURRENT RATING PER CHARACTERISTIC100.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
MOUNTING METHODTERMINAL
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASEGATE
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
TERMINAL LENGTH0.500 INCHES MINIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
POWER RATING PER CHARACTERISTIC400.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
OVERALL DIAMETER0.230 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
2N4445Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5516Interchangeable
interchangeable cross-reference
interchangeable
FN1234Interchangeable
interchangeable cross-reference
interchangeable
151-1022-00Interchangeable
interchangeable cross-reference
interchangeable
F1782Interchangeable
interchangeable cross-reference
interchangeable
2N4448Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N444B?
2N444B is a TRANSISTOR.
What parts can replace 2N444B?
There are 8 known substitutes for 2N444B: 2N4445, RELEASE5516, FN1234 and 5 more. Substitute compatibility should be verified for your specific system.
Is 2N444B still available?
2N444B is currently cancelled.
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