PartsTable
Technical Data Sheet
2N4240 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include overall_width: 0.700 INCHES MAXIMUM IN, overall_height: 0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, overall_length: 1.252 INCHES MAXIMUM IN, transfer_ratio: 100.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER, mounting_method: UNTHREADED HOLE(S), terminal_length: 0.360 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-813-5111, 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
2N4240
NSN: 5961-00-813-5111
FSC: 5961
CAGE: 34371 — RENESAS ELECTRONICS AMERICA INC (USA)
SPECIFICATIONS
overall_width0.700 INCHES MAXIMUM IN
overall_height0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
overall_length1.252 INCHES MAXIMUM IN
transfer_ratio100.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
mounting_methodUNTHREADED HOLE(S)
terminal_length0.360 INCHES MINIMUM IN
overall_diameter0.620 INCHES MAXIMUM IN
special_featuresWEAPON SYSTEM ESSENTIAL; JUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
NSN5961-00-813-5111
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 2N4240 MFR OEM RESISTOR,VARIABLE,NONWIRE WOUND,
KEY FEATURES
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
CURRENT RATING PER CHARACTERISTIC: 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 1.00 AMPERES MAXIMUM BASE CURRENT, DC
TRANSFER RATIO: 100.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-66
TERMINAL TYPE AND QUANTITY: 2 PIN AND 1 CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 500.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 300.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
CURRENT RATING PER CHARACTERISTIC5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 1.00 AMPERES MAXIMUM BASE CURRENT, DC
TRANSFER RATIO100.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-66
TERMINAL TYPE AND QUANTITY2 PIN AND 1 CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC500.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 300.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
POWER RATING PER CHARACTERISTIC35.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
SEMICONDUCTOR MATERIALSILICON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1854-0341Interchangeable
interchangeable cross-reference
interchangeable
55-004-0013Interchangeable
interchangeable cross-reference
interchangeable
2N4240Interchangeable
interchangeable cross-reference
interchangeable
11830747Interchangeable
interchangeable cross-reference
interchangeable
385302Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N4240?
2N4240 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 2N4240?
There are 5 known substitutes for 2N4240: 1854-0341, 55-004-0013, 2N4240 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N4240?
2N4240 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-813-5111. This indicates validated use in U.S. government and defense supply chains.
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