Texas Instruments · AC-DC controller IC

UC3842

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 UC3842

UC3842 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 UC3842 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 numberUC3842
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
UC3823DW AC-DC Controllers And Regulators SOIC-16-300mil 1MHz8.4V~30V
UC3823DWTR AC-DC Controllers And Regulators SOIC-16-300mil 1MHz8.4V~30V
UC3825DWTR AC-DC Controllers And Regulators SOIC-16-300mil 0°C~+70°C
UC3825N AC-DC Controllers And Regulators DIP-16 0.5A0°C~+70°C
UC3842A AC-DC controller IC
UC3842AD8TR AC-DC Controllers And Regulators SOIC-8 500kHz1A
UC3842ADTR AC-DC Controllers And Regulators SOIC-14 500kHz1A
UC3842AN AC-DC Controllers And Regulators DIP-8 500kHz1A

Similar part numbers from other manufacturers

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

Part numberManufacturerTypePackageKey specs
UC3842B UMW Youtai Semiconductor Co Ltd AC-DC Controllers And Regulators SOP-8 50kHz17mA
UC3842BD COSINE AC-DC Controllers And Regulators SOP-8 47kHz~57kHz1A
UC3842BN STMicroelectronics AC-DC Controllers And Regulators DIP-8 500kHz1A
UC3842BDG onsemi AC-DC Controllers And Regulators SOIC-14 500kHz1A
UC3842BNG onsemi AC-DC Controllers And Regulators PDIP-8 500kHz1A
UC3842DRG HANSCHIP semiconductor AC-DC Controllers And Regulators SOP-8 47kHz~57kHz1A
UC3842-HXY HXY MOSFET AC-DC Controllers And Regulators SOP-8 500kHz1A
UC3842M/TR HGSEMI AC-DC Controllers And Regulators SOP-8 50kHz~500kHz1A

Frequently asked questions

What is the UC3842?

UC3842 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 UC3842?

Similar part numbers in our catalog include UC3842B (UMW Youtai Semiconductor Co Ltd), UC3842BD (COSINE), UC3842BN (STMicroelectronics), UC3842BDG (onsemi), UC3842BNG (onsemi) and UC3842DRG (HANSCHIP semiconductor). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the UC3842?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=UC3842&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.