MIL-SPEC · Discrete Semiconductors > Transistors
JAN2N4948
Silicon transistor, JEDEC 2N4948 type — JAN qualified per MIL-PRF-19500
Part NumberJAN2N4948
ManufacturerMIL-SPEC
AvailabilityIn stock — ships fast
Specifications
NSN5961-00-490-0318 (NSN)
Federal Item NameTRANSISTOR
Current Rating50.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, RMS VALUE OF ALTERNATION COMPONENT
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
Precious MaterialGOLD
Precious Material LocationTERMINAL SURFACE OPTION GOLD
Special FeaturesJUNCTION PATTERN ARRANGEMENT: PN
Maximum Operating Temp Per Measure200.0 CELSIUS JUNCTION
Electrode Internally ElectricallyBASE 2
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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 JAN2N4948 in stock?
Yes — JAN2N4948 is in our stock database. Request a quote for current pricing and lead time.
Is JAN2N4948 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If JAN2N4948 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 JAN2N4948?
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 JAN2N4948?
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.