Stromberg-Carlson Corp. A Plessey Telecommunications Co. · Electronic Components
555222-109
TRANSISTOR — NSN 5961-00-828-8575
Part Number555222-109
ManufacturerStromberg-Carlson Corp. A Plessey Telecommunications Co.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-828-8575 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 20.00 MILLIAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN
Terminals3 TAB, SOLDER LUG
Mounting MethodTHREADED STUD(S)
Overall Length0.460 INCHES MAXIMUM
Overall Diameter0.610 INCHES MAXIMUM
Electrode Internally ElectricallyCOLLECTOR
Nominal Thread Size0.250 INCHES
Mounting Facility Quantity1
Internal ConfigurationJUNCTION CONTACT
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 555222-109 available?
We can source 555222-109 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 555222-109 by Stromberg-Carlson Corp. A Plessey Telecommunications Co. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 555222-109 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 555222-109?
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 555222-109?
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.