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Solid State Devices, Inc.  · Electronic Components

4R8S

SEMICONDUCTOR DEVICE,DIODE — NSN 5961-01-060-9656

Part Number4R8S
ManufacturerSolid State Devices, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialSILICON SEMICONDUCTOR
Current Rating100.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 400.00 AMPERES MAXIMUM FORWARD CURRE
Terminals1 TAB, SOLDER LUG AND 1 THREADED STUD
Mounting MethodTHREADED STUD(S)
Overall Length1.438 INCHES NOMINAL
Thread Series DesignatorUNF
Maximum Operating Temp Per Measure175.0 CELSIUS JUNCTION
Voltage Rating In Volts Per Charac40.0 MAXIMUM REVERSE VOLTAGE, PEAK AND 30.0 MAXIMUM REVERSE VOLTAGE, TOTAL RMS
Overall Width Across Flats0.677 INCHES NOMINAL
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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

Frequently asked

Is 4R8S available?
We can source 4R8S 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 4R8S by Solid State Devices, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4R8S 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 4R8S?
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 4R8S?
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.