Overview
The STW20N95K5 is a high-voltage N-channel Power MOSFET designed by STMicroelectronics using the innovative MDmesh™ K5 technology. This device is part of a series that includes the STB20N95K5, STF20N95K5, and STP20N95K5, each available in different packages such as D²PAK, TO-220FP, TO-220, and TO-247. The STW20N95K5 is notable for its low on-resistance and ultra-low gate charge, making it ideal for applications requiring high power density and efficiency.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VDS (Drain-Source Voltage) | 950 | V |
| RDS(on) (Static Drain-Source On-Resistance) | 0.275 (typ.), 0.330 (max.) | Ω |
| ID (Drain Current, continuous at TC = 25 °C) | 17.5 | A |
| ID (Drain Current, continuous at TC = 100 °C) | 11 | A |
| PTOT (Total Dissipation at TC = 25 °C) | 250 | W |
| VGS (Gate-Source Voltage) | ±30 | V |
| Tj (Operating Junction Temperature Range) | -55 to 150 | °C |
| Rthj-case (Thermal Resistance Junction-Case) | 0.5 | °C/W |
| Rthj-amb (Thermal Resistance Junction-Ambient) | 62.5 | °C/W |
Key Features
- Industry’s lowest RDS(on) x area, ensuring high efficiency and power density.
- Best figure of merit (FoM) for superior performance.
- Ultra-low gate charge for fast switching times.
- 100% avalanche tested for robustness.
- Zener-protected gate for enhanced ESD performance.
Applications
The STW20N95K5 is designed for various high-voltage switching applications, including but not limited to:
- Power supplies and DC-DC converters.
- Motor control and drive systems.
- Industrial automation and control systems.
- High-voltage power management in consumer and industrial electronics.
Q & A
- What is the maximum drain-source voltage (VDS) of the STW20N95K5?
The maximum drain-source voltage (VDS) is 950 V.
- What is the typical on-resistance (RDS(on)) of the STW20N95K5?
The typical on-resistance (RDS(on)) is 0.275 Ω.
- What is the maximum continuous drain current (ID) at TC = 25 °C?
The maximum continuous drain current (ID) at TC = 25 °C is 17.5 A.
- What is the total dissipation (PTOT) at TC = 25 °C?
The total dissipation (PTOT) at TC = 25 °C is 250 W.
- What is the operating junction temperature range (Tj) of the STW20N95K5?
The operating junction temperature range (Tj) is -55 to 150 °C.
- Is the STW20N95K5 100% avalanche tested?
Yes, the STW20N95K5 is 100% avalanche tested.
- What type of protection does the STW20N95K5 have against ESD?
The STW20N95K5 has built-in Zener-protected gates for enhanced ESD performance.
- In what packages is the STW20N95K5 available?
The STW20N95K5 is available in the TO-247 package.
- What is the thermal resistance junction-case (Rthj-case) of the STW20N95K5?
The thermal resistance junction-case (Rthj-case) is 0.5 °C/W.
- What are some typical applications of the STW20N95K5?
Typical applications include power supplies, DC-DC converters, motor control systems, and industrial automation.
