
MICRONE
A SOT-23-5 LDO with matched accuracy and higher current, but a critically lower max input voltage (18V).
SE8550X2-HF is a 5V, 250mA LDO in a SOT-23-5 package, notable for its high 35V input voltage tolerance. Finding a direct replacement requires careful matching of this high voltage rating, which is a key challenge.
Candidate max input voltage is much lower than target's 35V.
All candidates share the SOT-23-5 package, but pinout must be verified.
Direct replacement for SE8550X2-HF should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Search for LDOs in a SOT-23-5 package with a maximum input voltage of 35V or higher and at least 250mA output current.
The primary risk is electrical overstress due to the candidates' lower maximum input voltage rating (15V-24V) compared to the target's 35V.

MICRONE
A SOT-23-5 LDO with matched accuracy and higher current, but a critically lower max input voltage (18V).
| Feature / factor | SE8550X2-HF | ME6231C50M5G | MIC5205-5.0YM5-MS | SSP7603P50MR | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT-23-5 | SOT-23-5 | SOT-23-5 | SOT23-5 | SOT-23-5 / SOT23-5 — Package matches, but pinout requires verification.; MIC5205-5.0YM5-MS: Package matches, but pinout requires verification.; SSP7603P50MR: Package matches, but pinout requires verification. |
| Input Voltage Max | 35V | 18V | 24V | 15V | 18V / 24V / 15V — Candidate max input voltage is significantly lower.; MIC5205-5.0YM5-MS: Candidate max input voltage is significantly lower.; SSP7603P50MR: Candidate max input voltage is significantly lower. |
| Output Current | 250mA | 500mA | 350mA | 500mA | 500mA / 350mA — Candidate provides higher current capability.; MIC5205-5.0YM5-MS: Candidate provides higher current capability.; SSP7603P50MR: Candidate provides higher current capability. |
| Output Accuracy | ±1% | ±1% | ±2% | ±2% | ±1% / ±2% — matched; MIC5205-5.0YM5-MS: Candidate has lower output voltage accuracy.; SSP7603P50MR: Candidate has lower output voltage accuracy. |
| Output Voltage | 5.0V | - | - | 5.0V | 5.0V — matched |
Verified drop-in options for SE8550X2-HF 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.