Freescale Semiconductor, Inc. · Electronic Components
SJ4954H
TRANSISTOR — NSN 5961-01-147-3359
Part NumberSJ4954H
ManufacturerFreescale Semiconductor, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-147-3359 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
Overall Diameter0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
Power Rating Per Characteristic10.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Internal ConfigurationJUNCTION CONTACT
Joint Electronic Device EngineerinTO-39
Voltage Rating In Volts Per Charac100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 6.0 MAXIMUM EMITTER T
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 SJ4954H available?
We can source SJ4954H 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 SJ4954H by Freescale Semiconductor, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SJ4954H 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 SJ4954H?
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 SJ4954H?
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.