Northrop Grumman Systems · Electronic Components
578R138H01
TRANSISTOR — NSN 5961-00-058-4171
Part Number578R138H01
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-058-4171 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Mounting MethodTERMINALTERMINAL
Overall Length0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM
Overall Diameter0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Power Rating Per Characteristic3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Special FeaturesJUNCTION PATTERN ARRANGEMENT: NPNJUNCTION PATTERN ARRANGEMENT: NPN
Semiconductor MaterialSILICONSILICON
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 578R138H01 available?
We can source 578R138H01 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 578R138H01 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 578R138H01 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 578R138H01?
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 578R138H01?
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.