Gpd Optoelectronics Corp. · Electronic Components
2N638B
TRANSISTOR — NSN 5961-00-819-5925
Part Number2N638B
ManufacturerGpd Optoelectronics Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-819-5925 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating3.00 AMPERES MAXIMUM EMITTER CURRENT, DC
Terminals2 UNINSULATED WIRE LEAD AND 1 CASE
Mounting MethodUNTHREADED HOLE(S)
Overall Length0.375 INCHES NOMINAL
Overall Diameter0.875 INCHES MAXIMUM
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic25.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Special FeaturesJUNCTION PATTERN ARRANGEMENT: PNP
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 2N638B available?
We can source 2N638B 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 2N638B by Gpd Optoelectronics Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2N638B 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 2N638B?
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 2N638B?
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.