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Technical Data Sheet
2N4858 ✓ 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 DEVICE,DIODE is a the manufacturer industrial component. Key specifications include overall_length: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, internal_configuration: FIELD EFFECT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-177-3356, 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
2N4858
NSN: 5961-00-177-3356
FSC: 5961
CAGE: 01295 — TEXAS INSTRUMENTS INCORPORATED (USA)
SPECIFICATIONS
overall_length0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-PRF-19500/385 GOVERNMENT SPECIFICATION
power_rating_per_characteristic1.8 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic50.00 MILLIAMPERES MAXIMUM GATE CURRENT
NSN5961-00-177-3356
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 2N4858 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
OVERALL DIAMETER: 0.230 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
SEMICONDUCTOR MATERIAL: SILICON
SPECIFICATION/STANDARD DATA: 80131-RELEASE5360 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASE: GATE
POWER RATING PER CHARACTERISTIC: 1.8 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
INTERNAL CONFIGURATION: FIELD EFFECT
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.230 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
SEMICONDUCTOR MATERIALSILICON
SPECIFICATION/STANDARD DATA80131-RELEASE5360 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASEGATE
POWER RATING PER CHARACTERISTIC1.8 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
INTERNAL CONFIGURATIONFIELD EFFECT
TERMINAL LENGTH0.500 INCHES MINIMUM IN
MOUNTING METHODTERMINAL
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-18
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
RELEASE5360Interchangeable
interchangeable cross-reference
interchangeable
2N4857Interchangeable
interchangeable cross-reference
interchangeable
2N4857AInterchangeable
interchangeable cross-reference
interchangeable
2N4860Interchangeable
interchangeable cross-reference
interchangeable
2N4860AInterchangeable
interchangeable cross-reference
interchangeable
JAN2N4858Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N4858?
2N4858 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 2N4858?
There are 20 known substitutes for 2N4858: RELEASE5360, 2N4857, 2N4857A and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N4858?
2N4858 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-177-3356. This indicates validated use in U.S. government and defense supply chains.
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