Texas Instruments · AC-DC controller IC
UC3843
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 UC3843UC3843 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 UC3843 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 number | UC3843 |
|---|---|
| Manufacturer | Texas Instruments |
| Heritage brand (part family) | Unitrode |
| Product type | AC-DC controller IC |
| Category | AC-DC Controllers |
| Part number type | Base / 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 number | Type | |
|---|---|---|
| UC3842AD8TR | AC-DC Controllers And Regulators | |
| UC3842ADTR | AC-DC Controllers And Regulators | |
| UC3842AN | AC-DC Controllers And Regulators | |
| UC3842D | AC-DC Controllers And Regulators | |
| UC3843A | AC-DC controller IC | |
| UC3843AD8TR | AC-DC Controllers And Regulators | |
| UC3843AN | AC-DC Controllers And Regulators | |
| UC3843D8TR | AC-DC Controllers And Regulators |
Similar part numbers from other manufacturers
Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.
| Part number | Manufacturer | Type | |
|---|---|---|---|
| UC3843N | HGSEMI | AC-DC Controllers And Regulators | |
| UC3843BN | STMicroelectronics | AC-DC Controllers And Regulators | |
| UC3843BDG | onsemi | AC-DC Controllers And Regulators | |
| UC3843BNG | onsemi | AC-DC Controllers And Regulators | |
| UC3843DRG | HANSCHIP semiconductor | AC-DC Controllers And Regulators | |
| UC3843M/TR | HGSEMI | AC-DC Controllers And Regulators | |
| UC3843BD1G | onsemi | AC-DC Controllers And Regulators | |
| UC3843BD(LX) | lingxingic | AC-DC Controllers And Regulators |
Frequently asked questions
What is the UC3843?
UC3843 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 UC3843?
Similar part numbers in our catalog include UC3843N (HGSEMI), UC3843BN (STMicroelectronics), UC3843BDG (onsemi), UC3843BNG (onsemi), UC3843DRG (HANSCHIP semiconductor) and UC3843M/TR (HGSEMI). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the UC3843?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=UC3843&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.