STMicroelectronics · Electronic Components
L4981B
IC PFC CTRLR AVERAGE CURR 20DIP
Part NumberL4981B
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
NSN6130-01-545-0296 (NSN)
Federal Item NamePOWER SUPPLY
Special FeaturesPOWER FACTOR CORRECTORS, VERY HIGH POWER; SUPPLY VOL RANGE, 19.5 V; OUTPUT VOL 7.5 V; PDIP-20
Federal Supply Class6130 — Converters, Electrical, Nonrotating
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 L4981B available?
We can source L4981B 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 L4981B by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L4981B 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 L4981B?
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 L4981B?
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.