Micro Uspd Inc. · Electronic Components
CB5039
SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-01-187-2814
Part NumberCB5039
ManufacturerMicro Uspd Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-187-2814 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating25.00 AMPERES MAXIMUM GATE TRIGGER CURRENT, DC
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
Criticality Code JustificationFEAT
Joint Electronic Device EngineerinTO-18
Terminal Length0.500 INCHES MINIMUM
Voltage Rating In Volts Per Charac50.0 MAXIMUM OFF-STATE VOLTAGE, RMS TOTAL
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 CB5039 available?
We can source CB5039 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 CB5039 by Micro Uspd Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CB5039 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 CB5039?
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 CB5039?
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.