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Technical Data Sheet
PartsTable / COMPONENT / 2N4977
2N4977 ✓ 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: 0.210 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: JUNCTION CONTACT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-104-5867, 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
2N4977
NSN: 5961-00-104-5867
FSC: 5961
CAGE: 21845 — SOLITRON DEVICES, INC. (USA)
SPECIFICATIONS
overall_length0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
internal_junction_configurationNP
power_rating_per_characteristic1.8 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic10.00 MILLIAMPERES MAXIMUM GATE CURRENT
NSN5961-00-104-5867
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 2N4977 MFR OEM TRANSISTOR
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
•
FEATURES PROVIDED: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
•
INTERNAL CONFIGURATION: FIELD EFFECTFIELD EFFECT
•
MOUNTING METHOD: TERMINALTERMINAL
•
POWER RATING PER CHARACTERISTIC: 1.8 WATTS MAXIMUM TOTAL DEVICE DISSIPATION1.8 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
•
CURRENT RATING PER CHARACTERISTIC: 10.00 MILLIAMPERES MAXIMUM GATE CURRENT10.00 MILLIAMPERES MAXIMUM GATE CURRENT
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
OVERALL LENGTH0.210 INCHES MAXIMUM0.210 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
FEATURES PROVIDEDHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
INTERNAL CONFIGURATIONFIELD EFFECTFIELD EFFECT
MOUNTING METHODTERMINALTERMINAL
POWER RATING PER CHARACTERISTIC1.8 WATTS MAXIMUM TOTAL DEVICE DISSIPATION1.8 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
CURRENT RATING PER CHARACTERISTIC10.00 MILLIAMPERES MAXIMUM GATE CURRENT10.00 MILLIAMPERES MAXIMUM GATE CURRENT
SEMICONDUCTOR MATERIALSILICONSILICON
TERMINAL LENGTH0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
535-433-001Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5455Interchangeable
interchangeable cross-reference
interchangeable
2N5019Interchangeable
interchangeable cross-reference
interchangeable
535-431-002Interchangeable
interchangeable cross-reference
interchangeable
2N5018Interchangeable
interchangeable cross-reference
interchangeable
619120-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N4977?
2N4977 is a TRANSISTOR.
What parts can replace 2N4977?
There are 9 known substitutes for 2N4977: 535-433-001, RELEASE5455, 2N5019 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N4977?
2N4977 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-104-5867. 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