SI2323
PAKER Microelectronics (Shenzhen) Co., Ltd.
Needs validationlow risk
Pin-compatible P-Channel MOSFET with higher current handling (-5A) and lower on-resistance (45mΩ).
Best Alternatives to SI2301-ZE
SI2301-ZE is a -20V, -2.3A P-Channel MOSFET in a SOT-23 package, often used for load switching. This page provides analysis of potential replacements, focusing on electrical and mechanical compatibility.
AI replacement insight
Electrical risklow
Candidate has better ratings, but dynamic parameters (gate charge) should be checked for high-speed applications.
Package risklow
SOT-23 package and pinout match, ensuring mechanical compatibility.
Firmware risklow
Not applicable for a discrete MOSFET.
Can it be replaced directly?
Direct replacement for SI2301-ZE should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
SI2323 is the most promising direct replacement path due to its matching package, pinout, and superior electrical characteristics.
Main risk
Electrical risk
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | SI2301-ZE | SI2323 | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT-23 | SOT-23 | SOT-23 — Mechanically compatible package. | ||
| Pinout | G-S-D | G-S-D | G-S-D — Pin 1 (Gate), 2 (Source), 3 (Drain) matches target based on datasheet. | ||
| Voltage | -20 V | -20 V | -20 V — Drain-Source Voltage (VDS) matches. | ||
| Current | -2.3 A | -5 A | -5 A — Higher continuous drain current capability. | ||
| Rds On | 140 mΩ | 45 mΩ | 45 mΩ — Significantly lower on-resistance improves efficiency. | ||
| Power | 0.7 W | 1.31 W | 1.31 W — Higher power dissipation provides better thermal margin. |
Application & sourcing insights
Questions & answers
Verified drop-in options for SI2301-ZE 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.