Psi-Peripheral Support · Electronic Components
S59-218
TRANSISTOR — NSN 5961-00-946-7633
Part NumberS59-218
ManufacturerPsi-Peripheral Support
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-946-7633 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating25.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals2 UNINSULATED WIRE LEAD AND 1 CASE
Mounting MethodUNTHREADED HOLE(S)
Overall Length0.328 INCHES MAXIMUM
Overall Diameter0.875 INCHES MAXIMUM
Features ProvidedHERMETICALLY SEALED CASE
Electrode Internally ElectricallyCOLLECTOR
Maximum Operating Temp Per Measure110.0 CELSIUS JUNCTION
Mounting Facility Quantity2
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 S59-218 available?
We can source S59-218 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 S59-218 by Psi-Peripheral Support obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S59-218 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 S59-218?
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 S59-218?
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.