ON Semiconductor · Electronic Components
MR854
DIODE FAST REC 3A 400V DO-201AD
Part NumberMR854
ManufacturerON Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-122-7609 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
MaterialGLASS ENCLOSURE; SILICON SEMICONDUCTOR
Current Rating3.00 AMPERES MAXIMUM FORWARD CURRENT, AVERAGE
Terminals2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
Overall Diameter0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length1.062 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
Maximum Operating Temp Per Measure175.0 CELSIUS JUNCTION
Voltage Rating In Volts Per Charac400.0 MAXIMUM REVERSE VOLTAGE, PEAK
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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 MR854 available?
We can source MR854 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 MR854 by ON Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MR854 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 MR854?
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 MR854?
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.