Allegro · Electronic Components
A3957SLB
Full Bridge PWM Motor Driver 5V 24-Pin SOIC W
Part NumberA3957SLB
ManufacturerAllegro
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-583-0487 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Operating Temp Range-20.0 TO 85.0 CELSIUS
Storage Temp Range-55.0 TO 150.0 CELSIUS
Special Features50V OUTPUT VOLTAGE RATING; 4-BIT NON-LINEAR DAC FOR 16-BIT MICROSTEPPING
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 A3957SLB available?
We can source A3957SLB 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 A3957SLB by Allegro obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A3957SLB 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 A3957SLB?
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 A3957SLB?
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.