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Technical Data Sheet
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2N4445 ✓ 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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-137-8612, 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
2N4445
NSN: 5961-00-137-8612
FSC: 5961
CAGE: 91637 — VISHAY DALE ELECTRONICS, LLC DIV VISHAY AMERICAS (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 TOTAL DEVICE DISSIPATION
current_rating_per_characteristic400.00 MILLIAMPERES MAXIMUM DRAIN CURRENT AND 100.00 MILLIAMPERES MAXIMUM GATE CURRENT
NSN5961-00-137-8612
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 2N4445 MFR OEM TRANSISTOR
KEY FEATURES
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS CASE DEGC
•
MOUNTING METHOD: TERMINAL
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 25.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
•
CURRENT RATING PER CHARACTERISTIC: 100.00 MILLIAMPERES MAXIMUM GATE CURRENT
•
POWER RATING PER CHARACTERISTIC: 400.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
•
OVERALL DIAMETER: 0.230 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS CASE DEGC
MOUNTING METHODTERMINAL
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
TERMINAL LENGTH0.500 INCHES MINIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC25.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
CURRENT RATING PER CHARACTERISTIC100.00 MILLIAMPERES MAXIMUM GATE CURRENT
POWER RATING PER CHARACTERISTIC400.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
OVERALL DIAMETER0.230 INCHES MAXIMUM IN
OVERALL LENGTH0.085 INCHES MAXIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
2N4445Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5516Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N4445?
2N4445 is a TRANSISTOR.
What parts can replace 2N4445?
There are 2 known substitutes for 2N4445: 2N4445, RELEASE5516. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N4445?
2N4445 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-137-8612. 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