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Siliconix Incorporated  · Electronic Components

J204-18

TRANSISTOR — NSN 5961-01-144-0483

Part NumberJ204-18
ManufacturerSiliconix Incorporated
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialPLASTIC ENCLOSURE
Current Rating3.00 MILLIAMPERES MAXIMUM DRAIN CURRENT
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Height0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
Overall Diameter0.185 INCHES NOMINAL
Internal ConfigurationFIELD EFFECT
Voltage Rating In Volts Per Charac40.0 MAXIMUM GATE TO SOURCE VOLTAGE
Semiconductor MaterialSILICON
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is J204-18 available?
We can source J204-18 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is J204-18 by Siliconix Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If J204-18 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like J204-18?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for J204-18?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.