Littelfuse, Inc. · Electronic Components
LFFB003
Fuseholder, Block
Part NumberLFFB003
ManufacturerLittelfuse, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-703-0615 (NSN)
Federal Item NameFUSEHOLDER,BLOCK
Federal Supply Class5920 — Fuses and Lightning Arresters
Base Thickness0.480 INCHES NOMINAL
Current Carrying Rating In Amps800.0
Surface TreatmentZINC TERMINAL
Mounting Hole Diameter0.230 INCHES NOMINAL
Center To Center Distance Between2.44 INCHES NOMINAL
Mounting Hole StyleIN-LINE ALONG THE LENGTH
Fuse Accommodation Quantity1
Overall Height1.935 INCHES NOMINAL
MaterialSTEEL CONTACT
Coating MethodPLATED TERMINAL
Voltage In Volts150.0
ESD/EMICode A — ESD/EMI sensitive item
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 LFFB003 available?
We can source LFFB003 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 LFFB003 by Littelfuse, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LFFB003 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 LFFB003?
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 LFFB003?
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.