Alternatives to Texas Instruments UCC3818DW
Texas Instruments UCC3818DW and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
Equivalent and substitute parts for Texas Instruments UCC3818DW
 UCC3818DWTexas Instruments | UCC2818DWTexas Instruments |  UCC3817DWTexas Instruments | +1more | |
|---|---|---|---|---|
| FFF Compatibility | Uses the identical 16-pin SOIC (DW) package with the same pin assignments.Same SOIC-16 Wide package dimensions (7.5 mm x 10.3 mm) and SMD mounting style.Identical electrical characteristics, with an upgraded industrial operating temperature range. | Uses the exact same SOIC-16 (DW) pin assignments.Identical physical package footprint and outline dimensions.Has a higher Under-Voltage Lockout (UVLO) threshold than the original (16 V turn-on vs 10.5 V turn-on). | ||
 AI Summary | UCC3818DW by Texas Instruments: PFC IC Average Current 6kHz ~ 220kHz 16-SOIC. | The UCC2818DW is the direct industrial-grade equivalent to the UCC3818DW, offering a broader operating temperature range with identical electrical performance. It serves as a seamless, high-confidence drop-in replacement.
| The UCC3817DW belongs to the same family and shares the same physical pinout, but operates with a higher UVLO threshold (16 V / 10 V). It is suitable if the auxiliary bias supply is guaranteed to remain above 16 V.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| ——— ———— | ————— ——— ———— | ———— —————— | —— ————— ——— | |
| —————— —— | ——————— ———— | ————— ——— ———— | ———— —————— | |
| ———— ——— | —— ————— ——— | ——————— ———— | ————— ——— ———— | |
| —— ————— | ———— —————— | —— ————— ——— | ——————— ———— | |
| ——— ———— | ————— ——— ———— | ———— —————— | —— ————— ——— | |
| —————— —— | ——————— ———— | ————— ——— ———— | ———— —————— | |
| ———— ——— | —— ————— ——— | ——————— ———— | ————— ——— ———— | |
| —— ————— | ———— —————— | —— ————— ——— | ——————— ———— |
Unlock all 3 alternatives
Sign in with your work email to read every gated row on this table — description, lead time, origin, export control and the full technical data.
Sign in to unlockSigning in creates a free Parter account. We use your name and email to contact you about Parter — see our Privacy Policy.
- Find & compare verified second sources
- Spot risk early with real-time part monitoring
- Stay compliant and production-ready
Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 UCC28084DRTexas Instruments | In stock | Active | 4Alternatives availableSee Alternatives |
| UCC33421DHARTexas Instruments | Non-stock | Active | 2Alternatives availableSee Alternatives |
| UCC2808AD-1Texas Instruments | In stock | Obsolete | 5Alternatives availableSee Alternatives |
| MC14538BDWonsemi | Discontinued | Obsolete | 2Alternatives availableSee Alternatives |
 UCC33411QDHARQ1Texas Instruments | Non-stock | Active | 6Alternatives availableSee Alternatives |
You searched one part. Parter watches your whole BOM.
All your BOM, at once
Parter maps every line to live stock, lead time, lifecycle and compliance data across the entire market — not part by part.
Hear about problems before they hit production
Allocation, EOL and last-time-buy notices surface the moment they appear, not when your buyer's PO bounces.
Qualified replacements in minutes, not days
Every at-risk line gets form-fit-function matches like the ones above — deltas flagged, evidence attached. Review, push to your BOM, and Parter starts watching the new part too.
Schedule a demo
See Parter in action
Discover how Parter can help your hardware team:
- Streamline your hardware operations with AI
- Detect and prevent lifecycle disruptions
- Accelerate product development
- Stay compliant and production-ready