Fairchild Semiconductor · Electronic Components
FFB20UP30DN
Fast / Ultrafast Diode, 300 V, 20 A, Common Cathode, 1.3 V, 45 ns, 180 A
Part NumberFFB20UP30DN
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
Reverse Recovery Time45 ns
Forward Voltage Max1.3 V
RohscompliantY-EX
Average Forward Current20 A
Hazardousfalse
RohsphthalatescompliantYES
Forward Surge Current180 A
Product Range-
IscanonicalY
Operating Temperature Max150 °C
SvhcLead
Diode Case StyleTO-263AB
Repetitive Peak Reverse Voltage300 V
Diode ConfigurationCommon Cathode
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 FFB20UP30DN available?
We can source FFB20UP30DN 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 FFB20UP30DN by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FFB20UP30DN 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 FFB20UP30DN?
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 FFB20UP30DN?
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.