MET1117A50B3G
MICRONE
Needs validationhigh risk
MET1117A50B3G is a 5V SOT-223 LDO candidate only for derated loads.
Best Alternatives to LM1117S-5.0
LM1117S-5.0 is a fixed 5V 1A SOT-223 LDO. Alternatives need voltage, current, pinout, thermal, and capacitor checks.
AI replacement insight
Electrical riskhigh
Many candidates are fixed non-5V parts.
Package riskmedium
SOT-223 matches do not prove pinout.
Firmware risklow
No firmware interface.
Sourcing riskmedium
Best path is external and not indexed.
Can it be replaced directly?
Direct replacement for LM1117S-5.0 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Review TLV76150DCYR first, then consider MET1117A50B3G only for derated loads.
Main risk
Pinout and load-current capability are not fully verified.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | LM1117S-5.0 | MET1117A50B3G | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT-223 | SOT-223 | SOT-223 — package match | ||
| Pinout | 3 pins | 3 pins | 3 pins — functions missing | ||
| Voltage | 5V fixed, Vin 20V | 5V fixed, Vin 20V | 5V fixed, Vin 20V — ES fields | ||
| Current | 1A | 700mA+ / 800mA | 700mA+ / 800mA — load derating | ||
| Temperature | -40 to 125C | 0 to 150C | 0 to 150C — no cold coverage |
Application & sourcing insights
Questions & answers
Verified drop-in options for LM1117S-5.0 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.