Vishay · Electronic Components
ZM4749A
Zener Single Diode, 24 V, 1 W, DO-213AB, 2 Pins, 175 °C
Part NumberZM4749A
ManufacturerVishay
AvailabilityAvailable to order — request a quote
Specifications
RohscompliantY-EX
Hazardousfalse
RohsphthalatescompliantYES
Product Range-
IscanonicalY
Operating Temperature Max175 °C
SvhcNo SVHC (04-Feb-2026)
Diode Case StyleDO-213AB
Power Dissipation1 W
ProducttraceabilityNo
Zener Voltage Nom24 V
UseccnUnknown
No Of Pins2 Pins
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 ZM4749A available?
We can source ZM4749A 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 ZM4749A by Vishay obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ZM4749A 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 ZM4749A?
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 ZM4749A?
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.