PartsTable
Technical Data Sheet
2N2979 ✓ 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 SEMICONDUCTOR DEVICES,UNITIZED 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, special_features: ALL TRANSISTOR JUNCTION PATTERN ARRANGEMENT: NPN, semiconductor_material: SILICON ALL TRANSISTOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-089-0689, 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
2N2979
NSN: 5961-00-089-0689
FSC: 5961
CAGE: 12040 — NATIONAL SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
overall_length0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
special_featuresALL TRANSISTOR JUNCTION PATTERN ARRANGEMENT: NPN
semiconductor_materialSILICON ALL TRANSISTOR
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity6 UNINSULATED WIRE LEAD
component_name_and_quantity2 TRANSISTOR
power_rating_per_characteristic250.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION ALL TRANSISTOR
current_rating_per_characteristic30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR
maximum_operating_temp_per_measurement_point200.0 CELSIUS JUNCTION DEGC
NSN5961-00-089-0689
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 2N2979 MFR OEM SEMICONDUCTOR DEVICES,UNITIZED
KEY FEATURES
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
COMPONENT NAME AND QUANTITY: 2 TRANSISTOR
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
OVERALL DIAMETER: 0.230 INCHES MAXIMUM IN
MOUNTING METHOD: TERMINAL
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-71
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN ALL TRANSISTOR
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
OVERALL LENGTH0.210 INCHES MAXIMUM IN
COMPONENT NAME AND QUANTITY2 TRANSISTOR
TERMINAL LENGTH0.500 INCHES MINIMUM IN
OVERALL DIAMETER0.230 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-71
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN ALL TRANSISTOR
CURRENT RATING PER CHARACTERISTIC30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR
SEMICONDUCTOR MATERIALSILICON ALL TRANSISTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
120382Interchangeable
interchangeable cross-reference
interchangeable
25704-281340-09-0Interchangeable
interchangeable cross-reference
interchangeable
S604Interchangeable
interchangeable cross-reference
interchangeable
MS35338-8Interchangeable
interchangeable cross-reference
interchangeable
40S33Interchangeable
interchangeable cross-reference
interchangeable
192-21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N2979?
2N2979 is a SEMICONDUCTOR DEVICES,UNITIZED.
What parts can replace 2N2979?
There are 18 known substitutes for 2N2979: 120382, 25704-281340-09-0, S604 and 15 more. Substitute compatibility should be verified for your specific system.
Is 2N2979 still available?
2N2979 is currently cancelled.
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