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Technical Data Sheet
2N3437 ✓ 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: 0.188 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.220 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASEHERMETICALLY 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 5961-00-086-4803, 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
2N3437
NSN: 5961-00-086-4803
FSC: 5961
CAGE: 15818 — TELCOM SEMICONDUCTOR INC (USA)
SPECIFICATIONS
overall_length0.188 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.220 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE4837 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic300.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic4.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 4.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-086-4803
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 2N3437 MFR OEM TRANSISTOR
KEY FEATURES
INTERNAL CONFIGURATION: FIELD EFFECTFIELD EFFECT
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
CURRENT RATING PER CHARACTERISTIC: 10.00 MILLIAMPERES MAXIMUM GATE CURRENT10.00 MILLIAMPERES MAXIMUM GATE CURRENT
FEATURES PROVIDED: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
MOUNTING METHOD: TERMINALTERMINAL
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
TERMINAL LENGTH: 0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CONFIGURATIONFIELD EFFECTFIELD EFFECT
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
OVERALL LENGTH0.210 INCHES MAXIMUM0.210 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC10.00 MILLIAMPERES MAXIMUM GATE CURRENT10.00 MILLIAMPERES MAXIMUM GATE CURRENT
FEATURES PROVIDEDHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
MOUNTING METHODTERMINALTERMINAL
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
TERMINAL LENGTH0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC50.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE50.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
RELEASE4837Interchangeable
interchangeable cross-reference
interchangeable
2N3437AInterchangeable
interchangeable cross-reference
interchangeable
2N3437Interchangeable
interchangeable cross-reference
interchangeable
2655489Interchangeable
Same NIIN cross-reference
interchangeable
2459396Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N3437?
2N3437 is a TRANSISTOR.
What parts can replace 2N3437?
There are 5 known substitutes for 2N3437: RELEASE4837, 2N3437A, 2N3437 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N3437?
2N3437 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-086-4803. This indicates validated use in U.S. government and defense supply chains.
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