Allegro · Electronic Components
ULN2803LW
Trans Darlington NPN 50V 0.5A 18-Pin SOIC W
Part NumberULN2803LW
ManufacturerAllegro
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-454-3321 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Operating Temp Range-20.0 TO 85.0 CELSIUS
Voltage Rating50.0 VOLTS NOMINAL POWER SOURCE
Design Function8 DRIVER
Terminals18 PIN
Enclosure ConfigurationSINGLE-IN-LINE
Enclosure MaterialPLASTIC
Federal Supply Class5962 — Microcircuits, Electronic
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 ULN2803LW available?
We can source ULN2803LW 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 ULN2803LW by Allegro obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ULN2803LW 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 ULN2803LW?
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 ULN2803LW?
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.