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Technical Data Sheet
PartsTable / COMPONENT / RELEASE5278
RELEASE5278 ✓ 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 material: PLASTIC ENCLOSURE, overall_length: 0.250 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.400 INCHES MINIMUM IN, overall_diameter: 0.210 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-768-2160, 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
RELEASE5278
NSN: 5961-00-768-2160
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_length0.250 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.400 INCHES MINIMUM IN
overall_diameter0.210 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES MAXIMUM IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE5278 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN5961-00-768-2160
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 RELEASE5278 MFR OEM TRANSISTOR
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 125.0 CELSIUS JUNCTION DEGC
•
CURRENT RATING PER CHARACTERISTIC: 100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
•
TERMINAL LENGTH: 0.400 INCHES MINIMUM IN
•
SEMICONDUCTOR MATERIAL: SILICON
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
•
MOUNTING METHOD: TERMINAL
•
OVERALL DIAMETER: 0.215 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT125.0 CELSIUS JUNCTION DEGC
CURRENT RATING PER CHARACTERISTIC100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
TERMINAL LENGTH0.400 INCHES MINIMUM IN
SEMICONDUCTOR MATERIALSILICON
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
MOUNTING METHODTERMINAL
OVERALL DIAMETER0.215 INCHES MAXIMUM IN
OVERALL LENGTH0.250 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2N4122AInterchangeable
interchangeable cross-reference
interchangeable
2N4122Interchangeable
interchangeable cross-reference
interchangeable
1853-0069Interchangeable
interchangeable cross-reference
interchangeable
152011Interchangeable
interchangeable cross-reference
interchangeable
1N2070Interchangeable
interchangeable cross-reference
interchangeable
130198-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RELEASE5278?
RELEASE5278 is a TRANSISTOR.
What parts can replace RELEASE5278?
There are 16 known substitutes for RELEASE5278: 2N4122A, 2N4122, 1853-0069 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RELEASE5278?
RELEASE5278 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-768-2160. 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