Taiwan Semiconductor · Electronic Components
SF18
Rectifiers 1A 600V
Part NumberSF18
ManufacturerTaiwan Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN3130-00-108-0575 (NSN)
Additional NSNs4320-00-218-4432
Federal Item NameBEARING UNIT,BALL
MaterialIRON CAST HOUSING; STEEL AND WOOL SEAL
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Bolt Circle Diameter3.2500 INCHES NOMINAL
Mounting Hole Diameter0.4531 INCHES NOMINAL
Alignment TypeSELF-ALIGNING
Seal TypeLABYRINTH
Housing Length1.1875 INCHES NOMINAL
Internal Fit Up DesignationSTANDARD
Flange Thickness0.5312 INCHES NOMINAL
Mounting Hole TypeROUND, UNTHREADED
Federal Supply Class3130 — Bearings, Mounted
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 SF18 available?
We can source SF18 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 SF18 by Taiwan Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SF18 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 SF18?
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 SF18?
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.