Littelfuse · Electronic Components
SMBJ51A
DIODE TVS 51V 600W UNIDIR 5% SMB
Part NumberSMBJ51A
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-522-5703 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
MaterialSILICON SEMICONDUCTOR; PLASTIC ENCLOSURE
Current Rating7.30 AMPERES MAXIMUM PEAK POINT CURRENT
Terminals2 TAB, SOLDER LUG
Mounting MethodTERMINAL
Overall Length0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
Overall Width0.130 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
Overall Height0.084 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
Voltage Rating In Volts Per Charac56.70 MINIMUM BREAKDOWN VOLTAGE, DC AND 62.70 MAXIMUM BREAKDOWN VOLTAGE, DC
Joint Electronic Device EngineerinDO-214AA
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 SMBJ51A available?
We can source SMBJ51A 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 SMBJ51A by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SMBJ51A 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 SMBJ51A?
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 SMBJ51A?
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.