General Dynamics Mission Systems, Inc. · Electronic Components
M4578
TRANSISTOR — NSN 5961-00-954-9179
Part NumberM4578
ManufacturerGeneral Dynamics Mission Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-954-9179 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.260 INCHES MAXIMUM
Overall Diameter0.290 INCHES MAXIMUM
Power Rating Per Characteristic60.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Voltage Rating In Volts Per Charac-15.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND -0.5 MAXIMUM EMITTER
Terminal Length1.500 INCHES MINIMUM
Terminal Circle Diameter0.200 INCHES NOMINAL
Semiconductor MaterialGERMANIUM
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 M4578 available?
We can source M4578 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 M4578 by General Dynamics Mission Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M4578 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 M4578?
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 M4578?
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.