Overview
The STB21N90K5 is a high-performance N-channel Power MOSFET developed by STMicroelectronics using the advanced SuperMESH™ 5 technology. This device is designed to offer superior power density and high efficiency, making it ideal for various high-voltage switching applications. The STB21N90K5 features a low on-resistance (RDS(on)) of 0.25 Ω (typical) and a high drain current of 18.5 A, ensuring minimal power loss and high reliability. It is available in several package types, including D2PAK, TO-220FP, TO-220, and TO-247, catering to different design requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Breakdown Voltage (V(BR)DSS) | 900 | V |
| On-Resistance (RDS(on)) | < 0.299 | Ω |
| Drain Current (ID) | 18.5 | A |
| Total Dissipation (PTOT) | 250 | W |
| Gate-Source Voltage (VGS) | ± 30 | V |
| Operating Junction Temperature (Tj) | -55 to 150 | °C |
| Thermal Resistance Junction-Case (Rthj-case) | 0.5 | °C/W |
| Thermal Resistance Junction-Ambient (Rthj-amb) | 62.5 | °C/W |
Key Features
- Worldwide best RDS(on) in TO-220 package
- Worldwide best Figure of Merit (FOM)
- Ultra-low gate charge
- 100% avalanche tested
- Zener-protected gate-source voltage
- Avalanche-rugged and high voltage capability
- ECOPACK® compliant packages for environmental sustainability
Applications
The STB21N90K5 is suitable for a variety of high-voltage switching applications, including:
- Power supplies and DC-DC converters
- Motor control and drives
- Industrial automation and control systems
- High-frequency switching circuits
- Aerospace and defense applications requiring high reliability
Q & A
- What is the drain-source breakdown voltage of the STB21N90K5?
The drain-source breakdown voltage (V(BR)DSS) is 900 V.
- What is the typical on-resistance (RDS(on)) of the STB21N90K5?
The typical on-resistance (RDS(on)) is 0.25 Ω.
- What is the maximum continuous drain current (ID) at 25°C?
The maximum continuous drain current (ID) at 25°C is 18.5 A.
- What are the available package types for the STB21N90K5?
The device is available in D2PAK, TO-220FP, TO-220, and TO-247 packages.
- Is the STB21N90K5 avalanche tested?
Yes, the STB21N90K5 is 100% avalanche tested.
- What is the gate-source voltage (VGS) range for the STB21N90K5?
The gate-source voltage (VGS) range is ± 30 V.
- What is the thermal resistance junction-case (Rthj-case) for the STB21N90K5?
The thermal resistance junction-case (Rthj-case) is 0.5 °C/W.
- Is the STB21N90K5 environmentally compliant?
Yes, the device is available in ECOPACK® compliant packages.
- What are some common applications for the STB21N90K5?
Common applications include power supplies, motor control, industrial automation, and high-frequency switching circuits.
- What is the operating junction temperature range for the STB21N90K5?
The operating junction temperature range is -55 to 150 °C.
