Diotec Semiconductor · Electronic Components
P4SMAJ12
TVS DIODE, UNIDIR, 12V, 400W, D-FLAT
Part NumberP4SMAJ12
ManufacturerDiotec Semiconductor
LifecycleStocked
AvailabilityAvailable to order — request a quote
Specifications
RohscompliantY-EX
Hazardousfalse
RohsphthalatescompliantYES
Maximum Breakdown Voltage14.7 V
Reverse Standoff Voltage12 V
Product Range-
IscanonicalY
Peak Pulse Power Dissipation400 W
Minimum Breakdown Voltage13.3 V
Tvs PolarityUnidirectional
Diode MountingSurface Mount
Operating Temperature Max150 °C
SvhcLead (25-Jun-2025)
Diode Case StyleD-FLAT
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 P4SMAJ12 available?
We can source P4SMAJ12 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 P4SMAJ12 by Diotec Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If P4SMAJ12 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 P4SMAJ12?
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 P4SMAJ12?
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.