LD1117-5.0
UMW
Needs validationmedium risk
LD1117-5.0 is a close 5 V 1 A LDO candidate, pending package and pinout checks.
Best Alternatives to AMS1117-5.0S
AMS1117-5.0S is a 5 V 1 A SOT-89 LDO. Alternatives need SOT-89 variant, pinout, and stability-cap checks.
AI replacement insight
Electrical riskmedium
check dropout, Iq, caps
Package riskhigh
SOT-89 fit not proven
Firmware risklow
analog regulator
Sourcing riskmedium
lifecycle gaps exist
Can it be replaced directly?
Direct replacement for AMS1117-5.0S should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Check LD1117-5.0 first, but only if the exact SOT-89 order code and pinout match.
Main risk
Package variant and pinout are not verified.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | AMS1117-5.0S | LD1117-5.0 | CJT1117B-5.0 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT-89 | TO-252/SOT-223/SOT-89 | - | SOT-223 — not footprint fit | |
| Pinout | 3-pin SOT-89 | 3-pin | - | 3-pin SOT-223 — pin map missing | |
| Voltage | 5 V, Vin 12 V | 5 V, Vin 18 V | - | 5 V, Vin 15 V — Vin rating higher | |
| Current | 1 A | 1 A | - | 1 A — same rating | |
| Temperature | -40 to 125 C | -40 to 125 C | - | -40 to 125 C — junction temp |
Application & sourcing insights
Questions & answers
Verified drop-in options for AMS1117-5.0S 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.