Fairchild · Electronic Components
1N4148
Corporation Diode Small Signal Switching 100V 0.3A 2-Pin DO-35 Bulk
Part Number1N4148
ManufacturerFairchild
AvailabilityIn stock — ships fast
Specifications
NSN5961-00-938-1135 (NSN)
Additional NSNs5961-01-492-7048, 5961-01-585-8440
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
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 1N4148 in stock?
Yes — 1N4148 is in our stock database. Request a quote for current pricing and lead time.
Is 1N4148 by Fairchild obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1N4148 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 1N4148?
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 1N4148?
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.