PartsTable
Technical Data Sheet
J204-18 ✓ 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_height: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.400 INCHES NOMINAL IN, overall_diameter: 0.185 INCHES NOMINAL IN, 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 5961-01-144-0483, 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
J204-18
NSN: 5961-01-144-0483
FSC: 5961
CAGE: 17856 — SILICONIX INCORPORATED DIV SILICONIX (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_height0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.400 INCHES NOMINAL IN
overall_diameter0.185 INCHES NOMINAL IN
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
power_rating_per_characteristic360.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
current_rating_per_characteristic3.00 MILLIAMPERES MAXIMUM DRAIN CURRENT
voltage_rating_in_volts_per_characteristic40.0 MAXIMUM GATE TO SOURCE VOLTAGE
maximum_operating_temp_per_measurement_point135.0 CELSIUS AMBIENT AIR DEGC
NSN5961-01-144-0483
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 J204-18 MFR OEM TRANSISTOR
KEY FEATURES
TERMINAL LENGTH: 0.400 INCHES NOMINAL IN
MOUNTING METHOD: TERMINAL
POWER RATING PER CHARACTERISTIC: 360.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
CURRENT RATING PER CHARACTERISTIC: 3.00 MILLIAMPERES MAXIMUM DRAIN CURRENT
OVERALL DIAMETER: 0.185 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 40.0 MAXIMUM GATE TO SOURCE VOLTAGE
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-92
INTERNAL CONFIGURATION: FIELD EFFECT
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL LENGTH0.400 INCHES NOMINAL IN
MOUNTING METHODTERMINAL
POWER RATING PER CHARACTERISTIC360.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
CURRENT RATING PER CHARACTERISTIC3.00 MILLIAMPERES MAXIMUM DRAIN CURRENT
OVERALL DIAMETER0.185 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC40.0 MAXIMUM GATE TO SOURCE VOLTAGE
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-92
INTERNAL CONFIGURATIONFIELD EFFECT
OVERALL HEIGHT0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
MATERIALPLASTIC ENCLOSURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
E204Interchangeable
interchangeable cross-reference
interchangeable
5N308Interchangeable
interchangeable cross-reference
interchangeable
EM3212TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J204-18?
J204-18 is a TRANSISTOR.
What parts can replace J204-18?
There are 3 known substitutes for J204-18: E204, 5N308, EM3212T. Substitute compatibility should be verified for your specific system.
What is the NSN for J204-18?
J204-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-144-0483. This indicates validated use in U.S. government and defense supply chains.
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