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Technical Data Sheet
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SE4020 ✓ 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 ARRESTER,ELECTRICAL SURGE is a the manufacturer industrial component. Key specifications include material: PLASTIC ENCLOSURE, overall_length: 0.240 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.222 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-001-7237, 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
SE4020
NSN: 5961-00-001-7237
FSC: 5961
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_length0.240 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.222 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
power_rating_per_characteristic200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-001-7237
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 SE4020 MFR OEM ARRESTER,ELECTRICAL SURGE
KEY FEATURES
•
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
•
CURRENT RATING PER CHARACTERISTIC: 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
•
SEMICONDUCTOR MATERIAL: SILICON
•
OVERALL DIAMETER: 0.222 INCHES MAXIMUM IN
•
POWER RATING PER CHARACTERISTIC: 200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
TERMINAL LENGTH0.500 INCHES MINIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
CURRENT RATING PER CHARACTERISTIC50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
SEMICONDUCTOR MATERIALSILICON
OVERALL DIAMETER0.222 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
MATERIALPLASTIC ENCLOSURE
MOUNTING METHODTERMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AS3085-012Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-012Interchangeable
interchangeable cross-reference
interchangeable
9469127712Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
150 29Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SE4020?
SE4020 is a ARRESTER,ELECTRICAL SURGE.
What parts can replace SE4020?
There are 12 known substitutes for SE4020: AS3085-012, M83248/1-012, 9469127712 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SE4020?
SE4020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-001-7237. 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