NCP1117ST50T3G
onsemi
Needs validationmedium risk
Offers identical electrical specs and package but is the commercial-grade version, not automotive qualified.
Best Alternatives to NCV1117ST50T3G
NCV1117ST50T3G is a robust 5V, 1A automotive-grade LDO in a SOT-223 package. Alternatives exist, but require careful review of parameters like automotive qualification, max input voltage, and physical footprint.
AI replacement insight
Application riskhigh
Using a non-AEC-Q100 part in an automotive system is a major compliance and reliability risk.
Electrical riskmedium
Many alternatives have a lower maximum input voltage, which could lead to device failure if not checked.
Package riskhigh
Some functional alternatives come in different packages, requiring a full PCB redesign.
Can it be replaced directly?
Direct replacement for NCV1117ST50T3G should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For non-automotive applications, NCP1117ST50T3G is the best path. For automotive use, another NCV-series part like NCV7805BDTRKG is best, but requires a PCB change.
Main risk
The primary risk is substituting a non-automotive part into an application requiring AEC-Q100 compliance, which can affect reliability and safety.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | NCV1117ST50T3G | NCP1117ST50T3G | ME6118A50B3G | AMS1117-5.0 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT-223 | SOT-223 | SOT-223 | SOT-223 | SOT-223 / DPAK-3 — Package matches target.; ME6118A50B3G: Package matches target.; AMS1117-5.0: Commonly available in SOT-223, matching target.; NCV7805BDTRKG: Package does not match, requires PCB redesign. |
| Voltage | 20V | 20V | 18V | 15V | 20V / 18V / 15V / 35V — Max input voltage matches.; ME6118A50B3G: Max input voltage is lower.; AMS1117-5.0: Max input voltage is significantly lower.; NCV7805BDTRKG: Max input voltage is higher. |
| Current | 1.0A | 1.0A | 1.0A | 1.0A | 1.0A — Output current matches.; ME6118A50B3G: Output current matches.; AMS1117-5.0: Output current matches.; NCV7805BDTRKG: Output current matches. |
| Application | AEC-Q100 | Commercial | - | - | Commercial / AEC-Q100 — Candidate is not automotive grade.; NCV7805BDTRKG: Automotive grade matches. |
Application & sourcing insights
Questions & answers
Verified drop-in options for NCV1117ST50T3G are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.