SI2309A MOSFET Datasheet & Specifications
P-Channel
SOT-23
Logic-Level
UMW
Vds Max
60V
Id Max
1.25A
Rds(on)
340mΩ@10V;550mΩ@4.5V
Vgs(th)
3V
Quick Reference
The SI2309A is an P-Channel MOSFET in a SOT-23 package, manufactured by UMW. It supports a drain-source breakdown voltage of 60V and a continuous drain current of 1.25A. It is widely used in switching and power applications.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | UMW | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Single | Configuration |
| Drain-Source Voltage (Vds) | 60V | Max breakdown voltage |
| Continuous Drain Current (Id) | 1.25A | Max current handling |
| Power Dissipation (Pd) | 1.25W | Max thermal limit |
| On-Resistance (Rds(on)) | 340mΩ@10V;550mΩ@4.5V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 3V | Voltage required to turn on |
| Gate Charge (Qg) | 5.4nC@10V | Switching energy |
| Input Capacitance (Ciss) | - | Internal gate capacitance |
| Output Capacitance (Coss) | - | Internal output capacitance |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent MOSFETs & Alternatives
| Part | Type | Package | Vds | Id | Rds(on) | Vgs(th) | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| BRCS5P06MA | P-Channel | SOT-23 | 60V | 5A | 103mΩ@4.5V | 1.5V | BLUE ROCKET 📄 PDF |
| SI2309 | P-Channel | SOT-23 | 60V | 2A | 160mΩ@10V | 1.9V | GOODWORK 📄 PDF |
| SQ2361CEES-T1_GE3 | P-Channel | SOT-23 | 60V | 2.8A | 230mΩ@4.5V | 2.5V | VISHAY 📄 PDF |
| TSM2309CX RFG | P-Channel | SOT-23 | 60V | 3.1A | 240mΩ@4.5V | 2.5V | Taiwan Semico... 📄 PDF |
| HL2309 | P-Channel | SOT-23 | 60V | 1.25A | 275mΩ@10V | 3V | R+O 📄 PDF |
| SQ2309ES-T1_GE3 | P-Channel | SOT-23 | 60V | 1.7A | 336mΩ@10V | 2.5V | VISHAY 📄 PDF |
| SQ2309CES-T1_GE3 | P-Channel | SOT-23 | 60V | 1.7A | 500mΩ@4.5V | 2.5V | VISHAY 📄 PDF |
| SQ2337CES-T1_GE3 | P-Channel | SOT-23 | 80V | 2.2A | 241mΩ@10V | 2V | VISHAY 📄 PDF |