S1M040120D MOSFET Datasheet & Specifications
N-Channel
TO-247-3L
Logic-Level
Sichainsemi
Vds Max
1.2kV
Id Max
73A
Rds(on)
32mΩ@18V
Vgs(th)
2.8V
Quick Reference
The S1M040120D is an N-Channel MOSFET in a TO-247-3L package, manufactured by Sichainsemi. It supports a drain-source breakdown voltage of 1.2kV and a continuous drain current of 73A. It is widely used in switching and power applications.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | Sichainsemi | Original Manufacturer |
| Package | TO-247-3L | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Single | Configuration |
| Drain-Source Voltage (Vds) | 1.2kV | Max breakdown voltage |
| Continuous Drain Current (Id) | 73A | Max current handling |
| Power Dissipation (Pd) | 326W | Max thermal limit |
| On-Resistance (Rds(on)) | 32mΩ@18V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 2.8V | Voltage required to turn on |
| Gate Charge (Qg) | 76nC | Switching energy |
| Input Capacitance (Ciss) | 2.159nF | Internal gate capacitance |
| Output Capacitance (Coss) | - | Internal output capacitance |
| Operating Temp | -55℃~+175℃ | Safe junction temperature range |
Equivalent MOSFETs & Alternatives
| Part | Type | Package | Vds | Id | Rds(on) | Vgs(th) | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| SP50N120CTF | N-Channel | TO-247-3L | 1.2kV | 74A | 35mΩ@18V | 2.5V | Siliup 📄 PDF |