SOLID STATE · Electronic Components
2N4856
N-Channel Mosfet TO-18
Part Number2N4856
ManufacturerSOLID STATE
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-890-9867 (NSN)
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
Terminal Length0.500 INCHES MINIMUM
Voltage Rating In Volts Per Charac40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 15.0 MAXIMUM DRA
Terminal Circle Diameter0.100 INCHES NOMINAL
Electrode Internally ElectricallyGATE
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 2N4856 available?
We can source 2N4856 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 2N4856 by SOLID STATE obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2N4856 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 2N4856?
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 2N4856?
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.