STP20NK50Z - STW20NK50Z is a N-channel 500V - 0.23Ω - 20A TO-220/TO-247 Zener-Protected SuperMESH™Power MOSFET from ST company, which features typical RDS(on) = 0.23 Ω, extremely high dv/dt capability, 100% Avalanche tested, minimized gate charge, very low intrinsic capacitances and very good manufacturing repeatability.
This document provides technical specifications for the STP20NK50Z (TO-220 package) and STW20NK50Z (TO-247 package), which are N-channel 500V Super MESH™ Power MOSFETs. These devices feature extremely high dv/dt capability, gate-source zener protection, and are designed for high current, high speed switching applications such as off-line power supplies and PFC circuits.
The datasheet includes absolute maximum ratings, electrical characteristics covering on/off states and dynamic parameters like capacitance and switching times, avalanche characteristics, and detailed mechanical data for both TO-220 and TO-247 packages.
| Drain-source Voltage (V(BR)DSS) | 500 V |
|---|---|
| Continuous Drain Current at Tc=25°C | 20 A |
| Total Dissipation at Tc=25°C | 190 W |
| Operating Junction Temperature Range | -55 to 150 °C |
| Typical Static Drain-source On Resistance | 0.23 Ohm |
They are ideal for high current, high speed switching and off-line power supplies, adaptors, and PFC circuits.
The maximum operating junction temperature (Tj) is 150 °C.