onsemi · Electronic Components
SZMMSZ5257ET1G
Zener Single Diode, 33 V, 500 mW, SOD-123, 2 Pins, 150 °C, Surface Mount
Part NumberSZMMSZ5257ET1G
Manufactureronsemi
AvailabilityAvailable to order — request a quote
Specifications
RohscompliantYES
Hazardousfalse
RohsphthalatescompliantYES
Product RangeSZMMSZ52xxET1G Series
IscanonicalY
Diode MountingSurface Mount
Operating Temperature Max150 °C
SvhcNo SVHC (25-Jun-2025)
Diode Case StyleSOD-123
Power Dissipation500 mW
ProducttraceabilityNo
Zener Voltage Nom33 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 SZMMSZ5257ET1G available?
We can source SZMMSZ5257ET1G 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 SZMMSZ5257ET1G by onsemi obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SZMMSZ5257ET1G 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 SZMMSZ5257ET1G?
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 SZMMSZ5257ET1G?
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.