Communications & Power Industries · Electronic Components
Y634
Electron Tube
Part NumberY634
ManufacturerCommunications & Power Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-01-290-2604 (NSN)
Federal Item NameELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Tube TypeTRIODE
Overall Height1.54 INCHES MAXIMUM
Identifying NumberY634 REFERENCE NO.
Envelope Medium TypeVACUUM
Heater Current Rating0.9 AMPERES MINIMUM AND 1.8 AMPERES MAXIMUM
Overall Diameter0.775 INCHES MINIMUM AND 0.785 INCHES MAXIMUM
Heater Voltage Rating In Volts6.3
Vendor Part Numbers373078-1
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 Y634 available?
We can source Y634 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 Y634 by Communications & Power Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If Y634 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 Y634?
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 Y634?
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.