Solid State Devices, Inc. · Electronic Components
SDA278-20
SEMICONDUCTOR DEVICE,DIODE — NSN 5961-00-419-5348
Part NumberSDA278-20
ManufacturerSolid State Devices, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-419-5348 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialSILICON SEMICONDUCTOR; GLASS ENCLOSURE
Current Rating50.00 AMPERES MAXIMUM REVERSE CURRENT, DC
Terminals2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length3.520 INCHES MAXIMUM
Overall Width0.510 INCHES MAXIMUM
Overall Height0.260 INCHES MAXIMUM
Criticality Code JustificationFEAT
Voltage Rating In Volts Per Charac20000.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 27.0 MAXIMUM FORWARD VOLTAGE, DC
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 SDA278-20 available?
We can source SDA278-20 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 SDA278-20 by Solid State Devices, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SDA278-20 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 SDA278-20?
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 SDA278-20?
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.