Dean Technology Inc. · Electronic Components
SD4258
SEMICONDUCTOR DEVICE,DIODE — NSN 5961-01-367-1969
Part NumberSD4258
ManufacturerDean Technology Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-367-1969 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialSILICON SEMICONDUCTOR
Current Rating5.50 AMPERES NOMINAL REVERSE CURRENT, INSTANTANEOUS
Terminals2 UNINSULATED WIRE LEAD W/TERMINAL LUG
Mounting MethodTHREADED STUD(S)
Overall Length1.000 INCHES NOMINAL
Overall Width1.000 INCHES NOMINAL
Overall Height1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM
Thread Series DesignatorUNF
Maximum Operating Temp Per Measure85.0 CELSIUS JUNCTION
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 SD4258 available?
We can source SD4258 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 SD4258 by Dean Technology Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SD4258 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 SD4258?
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 SD4258?
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.