Fairchild Semiconductor · Electronic Components
BC639
TRANSISTOR NPN 80V 1A TO-92
Part NumberBC639
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5820-00-644-0961 (NSN)
Federal Item NameRECEIVER,RADIO
Special Features10.469 IN. BY 13.562 IN. BY 19.000 IN. O/A DIM.10.469 IN. BY 13.562 IN. BY 19.000 IN. O/A DIM.10.469 IN. BY 13.562 IN. B
Dc Voltage Rating6.8 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED6.8 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED6.8 VOLTS NOMINAL LO
Input Frequency Rating100.000 MEGAHERTZ MINIMUM AND 100.000 MEGAHERTZ MINIMUM AND 100.000 MEGAHERTZ MINIMUM AND 156.000 MEGAHERTZ MAXIMUM156.0
Receiver Band Quantity111
Receiver Emission TypeA1 (USE A1A) AND A1 (USE A1A) AND A1 (USE A1A) AND A2 (USE A2D)A2 (USE A2D)A2 (USE A2D)
Federal Supply Class5820 — Radio And Television Communication Equipment, Except Airborne
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 BC639 available?
We can source BC639 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 BC639 by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BC639 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 BC639?
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 BC639?
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.