STN3N45K3 MOSFET Datasheet & Specifications
N-Channel
SOT-223
High-Voltage
ST
Vds Max
450V
Id Max
600mA
Rds(on)
4ฮฉ@10V
Vgs(th)
4.5V
Quick Reference
The STN3N45K3 is an N-Channel MOSFET in a SOT-223 package, manufactured by ST. It supports a drain-source breakdown voltage of 450V and a continuous drain current of 600mA. It is widely used in switching and power applications.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | ST | Original Manufacturer |
| Package | SOT-223 | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Single | Configuration |
| Drain-Source Voltage (Vds) | 450V | Max breakdown voltage |
| Continuous Drain Current (Id) | 600mA | Max current handling |
| Power Dissipation (Pd) | 3W | Max thermal limit |
| On-Resistance (Rds(on)) | 4ฮฉ@10V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 4.5V | Voltage required to turn on |
| Gate Charge (Qg) | 9.5nC@10V | Switching energy |
| Input Capacitance (Ciss) | 164pF | Internal gate capacitance |
| Output Capacitance (Coss) | 17pF | Internal output capacitance |
| Operating Temp | - | Safe junction temperature range |