PartsTable
Technical Data Sheet
K304-18 ✓ 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_length: 0.240 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.222 INCHES MAXIMUM 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 5961-01-021-6001, 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
K304-18
NSN: 5961-01-021-6001
FSC: 5961
CAGE: 17856 — SILICONIX INCORPORATED DIV SILICONIX (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_length0.240 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.222 INCHES MAXIMUM IN
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity4 UNINSULATED WIRE LEAD
power_rating_per_characteristic350.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic10.00 MILLIAMPERES MAXIMUM GATE CURRENT
voltage_rating_in_volts_per_characteristic10.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
NSN5961-01-021-6001
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 K304-18 MFR OEM TRANSISTOR
KEY FEATURES
MATERIAL: PLASTIC ENCLOSURE
TERMINAL TYPE AND QUANTITY: 4 UNINSULATED WIRE LEAD
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 10.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
CURRENT RATING PER CHARACTERISTIC: 10.00 MILLIAMPERES MAXIMUM GATE CURRENT
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC: 350.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC ENCLOSURE
TERMINAL TYPE AND QUANTITY4 UNINSULATED WIRE LEAD
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC10.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
CURRENT RATING PER CHARACTERISTIC10.00 MILLIAMPERES MAXIMUM GATE CURRENT
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC350.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
MOUNTING METHODTERMINAL
OVERALL LENGTH0.240 INCHES MAXIMUM IN
SEMICONDUCTOR MATERIALSILICON
TERMINAL LENGTH0.500 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1855-0425Interchangeable
interchangeable cross-reference
interchangeable
622132619706Interchangeable
interchangeable cross-reference
interchangeable
BC214CInterchangeable
interchangeable cross-reference
interchangeable
ASTM A793-96,TYPInterchangeable
interchangeable cross-reference
interchangeable
A793-96,TYPE 304Interchangeable
interchangeable cross-reference
interchangeable
E 304Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K304-18?
K304-18 is a TRANSISTOR.
What parts can replace K304-18?
There are 6 known substitutes for K304-18: 1855-0425, 622132619706, BC214C and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K304-18?
K304-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-021-6001. This indicates validated use in U.S. government and defense supply chains.
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