Bussmann · Electronic Components
FWP-20B
FUSE 20A 700V UL CSA
Part NumberFWP-20B
ManufacturerBussmann
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-614-7777 (NSN)
Federal Item NameFUSE,CARTRIDGE
Overall Length2.870 INCHES NOMINAL
Overall Diameter0.563 INCHES NOMINAL
Body StyleHOLE TYPE
Terminal Length0.5075 INCHES NOMINAL
Continuous Current Rating In Amps20.0
Body Length1.855 INCHES NOMINAL
Mounting Hole Diameter0.250 INCHES NOMINAL
Center To Center Distance Between2.477 INCHES NOMINAL
Interruption Indicator MethodNO VISUAL INDICATION
Terminal Thickness0.063 INCHES NOMINAL
Federal Supply Class5920 — Fuses, Arrestors, Absorbers, And Protectors
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Vendor Part NumbersPL-HUBPTD-67 PC.NO.15
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 FWP-20B available?
We can source FWP-20B 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 FWP-20B by Bussmann obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FWP-20B 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 FWP-20B?
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 FWP-20B?
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.