Allegro Microsystems Inc · Electronic Components
ULS2803R
2803 High-Voltage, High-Current Darlington Arrays
Part NumberULS2803R
ManufacturerAllegro Microsystems Inc
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-485-7255 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Operating Temp Range-55.0 TO 125.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating30.0 VOLTS NOMINAL POWER SOURCE
Max Power Dissipation1.0 WATTS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC AND DIODE-TRANSISTOR LOGIC AND P-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC AND COMPLEMENTARY-META
Design Function1 ARRAY, DARLINGTON TRANSISTOR
Terminals18 PRINTED CIRCUIT
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialCERAMIC
Terminal Surface TreatmentSOLDER
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 ULS2803R available?
We can source ULS2803R 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 ULS2803R by Allegro Microsystems Inc obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ULS2803R 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 ULS2803R?
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 ULS2803R?
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.