Littelfuse · Electronic Components
P4SMA350A
DIODE TVS 400W 350V UNI 5% SMD
Part NumberP4SMA350A
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-686-7151 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
MaterialPLASTIC ENCLOSURE
Current Rating60.0 AMPERES NOMINAL PEAK FORWARD SURGE CURRENT
Terminals1 CASE
Mounting MethodTERMINAL
Overall Length0.157 INCHES MINIMUM AND 0.181 INCHES MAXIMUM
Voltage Rating In Volts Per Charac350.0 NOMINAL BASE SUPPLY VOLTAGE
Voltage Tolerance In Percent+349.95 TO 350.05
Power Rating Per Characteristic400.0 WATTS NOMINAL PEAK PULSE OUTPUT POWER
Terminal Length0.049 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
Mounting Facility Quantity2
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 P4SMA350A available?
We can source P4SMA350A 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 P4SMA350A by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If P4SMA350A 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 P4SMA350A?
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 P4SMA350A?
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.