Texas Instruments · AC-DC controller IC

UC3843A

Texas Instruments AC-DC controller IC

Part-number family from Unitrode (now Texas Instruments, 1999). Older stock may carry Unitrode markings.

Request a quote for UC3843A

UC3843A is an AC-DC controller IC product family from Texas Instruments; it is supplied under several orderable part numbers that differ in package, temperature grade and packing. It is listed in our AC-DC Controllers catalog (Power Management).

PartnerSemi sources the UC3843A for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberUC3843A
ManufacturerTexas Instruments
Heritage brand (part family)Unitrode
Product typeAC-DC controller IC
CategoryAC-DC Controllers
Part number typeBase / family part number

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More Texas Instruments AC-DC Controllers

Part numberTypePackageKey specs
UC3842ADTR AC-DC Controllers And Regulators SOIC-14 500kHz1A
UC3842AN AC-DC Controllers And Regulators DIP-8 500kHz1A
UC3842D AC-DC Controllers And Regulators SOIC-14 100kHz~500kHz200mA
UC3843 AC-DC controller IC
UC3843AD8TR AC-DC Controllers And Regulators SOIC-8 52kHz1A
UC3843AN AC-DC Controllers And Regulators DIP-8 500kHz1A
UC3843D8TR AC-DC Controllers And Regulators SOIC-8 100kHz~500kHz200mA
UC3843DTR AC-DC Controllers And Regulators SOIC-14 500kHz200mA

Similar part numbers from other manufacturers

Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.

Part numberManufacturerTypePackageKey specs
UC3843AL-D08-T Unisonic Technologies (UTC) AC-DC Controllers And Regulators DIP-8 47kHz~57kHz1A
UC3843AN(XBLW) XBLW AC-DC Controllers And Regulators DIP-8 500kHz1A
UC3843AP-S08-R Unisonic Technologies (UTC) AC-DC Controllers And Regulators SOIC-8 47kHz~57kHz1A

Frequently asked questions

What is the UC3843A?

UC3843A is an AC-DC controller IC product family from Texas Instruments; it is supplied under several orderable part numbers that differ in package, temperature grade and packing. It is listed in our AC-DC Controllers catalog (Power Management).

Which part numbers are similar to the UC3843A?

Similar part numbers in our catalog include UC3843AL-D08-T (Unisonic Technologies (UTC)), UC3843AN(XBLW) (XBLW) and UC3843AP-S08-R (Unisonic Technologies (UTC)). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the UC3843A?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=UC3843A&brand=Texas%20Instruments or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.