● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Laboratory Diagnostics  · Electronic Components

1N3491R

SEMICONDUCTOR DEVICE,DIODE — NSN 5961-00-762-3068

Part Number1N3491R
ManufacturerLaboratory Diagnostics
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialGLASS ENCLOSURE; SILICON SEMICONDUCTOR
Current Rating25.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Terminals2 PIN
Mounting MethodTERMINAL
Overall Length0.360 INCHES NOMINAL
Overall Diameter0.625 INCHES NOMINAL
Terminal Length0.365 INCHES NOMINAL
Maximum Operating Temp Per Measure150.0 CELSIUS CASE
Features ProvidedHERMETICALLY SEALED CASE
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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 1N3491R available?
We can source 1N3491R 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 1N3491R by Laboratory Diagnostics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1N3491R 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 1N3491R?
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 1N3491R?
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.