PartsTable
Technical Data Sheet
2N4921 ✓ 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_width: 0.270 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN, overall_height: 0.070 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, overall_length: 0.390 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN, overall_diameter: 0.330 INCHES MAXIMUM0.330 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-058-1192, 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
2N4921
NSN: 5961-00-058-1192
FSC: 5961
CAGE: 34428 — UNITED PAGE INC (USA)
SPECIFICATIONS
overall_width0.270 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
overall_height0.070 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
overall_length0.390 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
overall_diameter0.330 INCHES MAXIMUM0.330 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.190 INCHES NOMINAL0.190 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
NSN5961-00-058-1192
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 2N4921 MFR OEM TRANSISTOR
KEY FEATURES
TERMINAL LENGTH: 0.595 INCHES NOMINAL0.595 INCHES NOMINAL IN
FEATURES PROVIDED: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
SPECIFICATION/STANDARD DATA: 80131-RELEASE5441 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION80131-RELEASE5441 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
POWER RATING PER CHARACTERISTIC: 30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
CURRENT RATING PER CHARACTERISTIC: 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 165.0 CELSIUS JUNCTION165.0 CELSIUS JUNCTION DEGC
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL LENGTH0.595 INCHES NOMINAL0.595 INCHES NOMINAL IN
FEATURES PROVIDEDHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
SPECIFICATION/STANDARD DATA80131-RELEASE5441 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION80131-RELEASE5441 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
POWER RATING PER CHARACTERISTIC30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
CURRENT RATING PER CHARACTERISTIC1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT165.0 CELSIUS JUNCTION165.0 CELSIUS JUNCTION DEGC
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
SEMICONDUCTOR MATERIALSILICONSILICON
OVERALL DIAMETER0.330 INCHES MAXIMUM0.330 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
LT1LA60-1LBLInterchangeable
interchangeable cross-reference
interchangeable
701025Interchangeable
interchangeable cross-reference
interchangeable
2064801Interchangeable
interchangeable cross-reference
interchangeable
4271-0722Interchangeable
interchangeable cross-reference
interchangeable
2N4923Interchangeable
interchangeable cross-reference
interchangeable
JAN2N4922Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N4921?
2N4921 is a TRANSISTOR.
What parts can replace 2N4921?
There are 27 known substitutes for 2N4921: LT1LA60-1LBL, 701025, 2064801 and 24 more. Substitute compatibility should be verified for your specific system.
Is 2N4921 still available?
2N4921 is currently cancelled.
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