Microsemi Ireland · Electronic Components
1N551
SEMICONDUCTOR DEVICE,DIODE — NSN 5961-01-202-5095
Part Number1N551
ManufacturerMicrosemi Ireland
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-202-5095 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialGLASS ENCLOSURE; SILICON SEMICONDUCTOR
Current Rating100.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Terminals2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.300 INCHES MAXIMUM
Overall Diameter0.145 INCHES MAXIMUM
Maximum Operating Temp Per Measure175.0 CELSIUS AMBIENT AIR
Terminal Length0.975 INCHES MINIMUM
Terminal Circle Diameter0.040 INCHES NOMINAL
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 1N551 available?
We can source 1N551 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 1N551 by Microsemi Ireland obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1N551 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 1N551?
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 1N551?
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.