onsemi · Electronic Components
1N4937G
DIODE FAST REC 1A 600V DO-41
Part Number1N4937G
Manufactureronsemi
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-643-3911 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Terminals2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length5.20 MILLIMETERS MAXIMUM
Overall Diameter2.70 MILLIMETERS MAXIMUM
Terminal Length25.40 MILLIMETERS MINIMUM
Mounting Facility Quantity2
Function For Which DesignedRECTIFIER
Terminal Circle Diameter0.86 MILLIMETERS MAXIMUM
Electrode Internally ElectricallyCATHODE
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 1N4937G available?
We can source 1N4937G 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 1N4937G by onsemi obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1N4937G 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 1N4937G?
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 1N4937G?
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.