Fairchild Semiconductor · Electronic Components
BU407
TRANSISTOR NPN 150V 7A TO-220
Part NumberBU407
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-248-5847 (NSN)
Federal Item NameTRANSISTOR
MaterialCERAMIC ENCLOSURE
Current Rating7.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length1.145 INCHES NOMINAL
Overall Width0.400 INCHES NOMINAL
Special FeaturesJUNCTION PATTERN ARRANGEMENT: NPN
Power Rating Per Characteristic60.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
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 BU407 available?
We can source BU407 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 BU407 by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BU407 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 BU407?
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 BU407?
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.