Samsung · Discrete Semiconductors > Transistors
MMBT4401
NPN 40V 600mA transistor, SOT-23 (SMD 2N4401)
Part NumberMMBT4401
ManufacturerSamsung
AvailabilityIn stock — ships fast
Specifications
NSN5961-01-399-6498 (NSN)
Federal Item NameTRANSISTOR
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 MMBT4401 in stock?
Yes — MMBT4401 is in our stock database. Request a quote for current pricing and lead time.
Is MMBT4401 by Samsung obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MMBT4401 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 MMBT4401?
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 MMBT4401?
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.