Semiconductor Technology, Inc. · Electronic Components
40408L
TRANSISTOR — NSN 5961-00-539-3200
Part Number40408L
ManufacturerSemiconductor Technology, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-539-3200 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating200.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 700.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.260 INCHES MAXIMUM
Overall Diameter0.370 INCHES MAXIMUM
Internal ConfigurationJUNCTION CONTACT
Voltage Rating In Volts Per Charac90.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLL
Terminal Length1.500 INCHES MINIMUM
Maximum Operating Temp Per Measure200.0 CELSIUS JUNCTION
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 40408L available?
We can source 40408L 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 40408L by Semiconductor Technology, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40408L 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 40408L?
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 40408L?
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.