National Semiconductor · Electronic Components
2N4392
TRANS JFET NCH 40V 60 OHM TO-18
Part Number2N4392
ManufacturerNational Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-400-0905 (NSN)
Additional NSNs5961-00-824-5202
Federal Item NameTRANSISTOR
Current Rating50.00 MILLIAMPERES MAXIMUM GATE CURRENT
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.188 INCHES NOMINAL
Overall Diameter0.220 INCHES NOMINAL
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating In Volts Per Charac20.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT
Electrode Internally ElectricallyCOLLECTOR
Terminal Circle Diameter0.100 INCHES NOMINAL
Internal ConfigurationFIELD EFFECT
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 2N4392 available?
We can source 2N4392 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 2N4392 by National Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2N4392 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 2N4392?
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 2N4392?
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.