SI4431CDY-T1-GE3 MOSFET Datasheet & Specifications
P-Channel
SO-8
Logic-Level
VISHAY
Vds Max
30V
Id Max
9A
Rds(on)
49mΩ@4.5V
Vgs(th)
2.5V
Quick Reference
The SI4431CDY-T1-GE3 is an P-Channel MOSFET in a SO-8 package, manufactured by VISHAY. It supports a drain-source breakdown voltage of 30V and a continuous drain current of 9A. It is widely used in switching and power applications.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | VISHAY | Original Manufacturer |
| Package | SO-8 | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Single | Configuration |
| Drain-Source Voltage (Vds) | 30V | Max breakdown voltage |
| Continuous Drain Current (Id) | 9A | Max current handling |
| Power Dissipation (Pd) | 4.2W | Max thermal limit |
| On-Resistance (Rds(on)) | 49mΩ@4.5V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 2.5V | Voltage required to turn on |
| Gate Charge (Qg) | 38nC@4.5V | Switching energy |
| Input Capacitance (Ciss) | 1.006nF | Internal gate capacitance |
| Output Capacitance (Coss) | 180pF | 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 |
|---|---|---|---|---|---|---|---|
| SI4497DY-T1-GE3 | P-Channel | SO-8 | 30V | 36A | 4.6mΩ@4.5V | 2.5V | VISHAY 📄 PDF |
| SI7149ADP-T1-GE3 | P-Channel | SO-8 | 30V | 23.1A | 5.2mΩ@10V | 1.2V | VISHAY 📄 PDF |
| FDS6681Z | P-Channel | SO-8 | 30V | 20A | 6.5mΩ@4.5V | 1.8V | onsemi 📄 PDF |
| SI4459ADY-T1-GE3 | P-Channel | SO-8 | 30V | 29A | 7.75mΩ@4.5V | 2.5V | VISHAY 📄 PDF |
| TPC8107&9-VB | P-Channel | SO-8 | 30V | 10.9A | 11mΩ@10V 15mΩ@4.5V |
1.4V | VBsemi Elec 📄 PDF |
| IRF9328TRPBF-VB | P-Channel | SO-8 | 30V | 11.6A | 11mΩ@10V 12mΩ@4.5V |
3V | VBsemi Elec 📄 PDF |
| SI4405DY-T1-GE3-VB | P-Channel | SO-8 | 30V | 13.5A | 11mΩ@10V 15mΩ@4.5V |
2.5V | VBsemi Elec 📄 PDF |
| AO4447A-VB | P-Channel | SO-8 | 30V | 13.5A | 11mΩ@10V 15mΩ@4.5V |
1.4V | VBsemi Elec 📄 PDF |
| SI4825DDY-T1-GE3 | P-Channel | SO-8 | 30V | 14.9A | 20.5mΩ@4.5V | 2.5V | VISHAY 📄 PDF |
| DMP4025LSD-VB | P-Channel | SO-8 | 30V | 9.5A | 21mΩ@10V 28mΩ@4.5V |
1V | VBsemi Elec 📄 PDF |
| FDS6675BZ | P-Channel | SO-8 | 30V | 11A | 21.8mΩ@4.5V | 2V | onsemi 📄 PDF |
| SI4835DDY-T1-GE3 | P-Channel | SO-8 | 30V | 13A | 30mΩ@4.5V | 3V | VISHAY 📄 PDF |
| IRF7416TRPBF | P-Channel | SO-8 | 30V | 10A | 35mΩ@4.5V | 2.04V | Infineon 📄 PDF |
| SI4435DDY-T1-GE3 | P-Channel | SO-8 | 30V | 11.4A | 35mΩ@4.5V | 3V | VISHAY 📄 PDF |
| SI4435DDY-T1-E3 | P-Channel | SO-8 | 30V | 11.4A | 35mΩ@4.5V | 3V | VISHAY 📄 PDF |
| IRF7240TRPBF | P-Channel | SO-8 | 40V | 10.5A | 25mΩ@4.5V | 3V | Infineon 📄 PDF |