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Diodes Incorporated  · Electronic Components

FZT851

TRANSISTOR, NPN, 60V, 6A, 3W, SOT-223

Part NumberFZT851
ManufacturerDiodes Incorporated
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSISTOR
Current Rating20.0 AMPERES NOMINAL PEAK PULSE CURRENT
Terminals3 KNIFE BLADE
Mounting MethodTERMINAL
Special FeaturesPLANAR HIGH CURRENT
Maximum Operating Temp Per Measure150.0 CELSIUS AMBIENT AIR
Semiconductor MaterialSILICON
Voltage Rating In Volts Per Charac150.0 NOMINAL COLLECTOR TO BASE VOLTAGE, DC AND 60.0 NOMINAL COLLECTOR TO EMITTER VOLTAGE, DC AND 6.0 NOMINAL EMITTER TO
Mounting Facility Quantity3
Power Rating Per Characteristic3.0 WATTS NOMINAL TOTAL POWER DISSIPATION
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Cancelled NSN5961-01-614-3317 (cancelled)
NSN Cancelled Date30-NOV-2012
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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 FZT851 available?
We can source FZT851 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 FZT851 by Diodes Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FZT851 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 FZT851?
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 FZT851?
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.