Overview
The STH15NB50FI is a high-performance N-Channel metal-oxide semiconductor field-effect transistor (MOSFET) designed by STMicroelectronics. This device utilizes the advanced PowerMESH™ technology, which incorporates a proprietary edge termination structure and a new patent-pending strip layout. These innovations result in exceptional electrical characteristics, including low on-resistance, high avalanche capability, and minimized gate charge. The STH15NB50FI is packaged in both TO-247 and ISOWATT218 formats, making it suitable for a variety of high-power applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Drain-source Voltage (VGS = 0) | VDS | 500 | V |
| Gate-source Voltage | VGS | ± 30 | V |
| Drain Current (continuous) at Tc = 25°C | ID | 10.5 | A |
| Drain Current (continuous) at Tc = 100°C | ID | 6.6 | A |
| Drain Current (pulsed) | IDM | 58.4 | A |
| Total Dissipation at Tc = 25°C | Ptot | 80 | W |
| Static Drain-source On Resistance | RDS(on) | < 0.36 Ω | Ω |
| Gate Threshold Voltage | VGS(th) | 3 - 5 | V |
| Max. Operating Junction Temperature | Tj | 150 | °C |
| Thermal Resistance Junction-case | Rthj-case | 1.56 | °C/W |
Key Features
- High voltage MESH OVERLAY process for outstanding performance.
- Extremely high dv/dt capability.
- ± 30V gate to source voltage rating.
- 100% avalanche tested.
- Very low intrinsic capacitances.
- Gate charge minimized.
- Exceptional avalanche and dv/dt capabilities.
- Unrivalled gate charge and switching characteristics.
Applications
- High current, high speed switching applications.
- Switch mode power supplies (SMPS).
- DC-AC converters for welding equipment.
- Uninterruptible power supplies (UPS).
- Motor drive applications.
Q & A
- What is the maximum drain-source voltage of the STH15NB50FI MOSFET?
The maximum drain-source voltage (VDS) is 500 V.
- What is the continuous drain current at 25°C for the STH15NB50FI?
The continuous drain current (ID) at 25°C is 10.5 A.
- What is the gate-source voltage rating for the STH15NB50FI?
The gate-source voltage (VGS) rating is ± 30 V.
- What is the maximum operating junction temperature for the STH15NB50FI?
The maximum operating junction temperature (Tj) is 150°C.
- What are the typical applications of the STH15NB50FI MOSFET?
Typical applications include high current, high speed switching, switch mode power supplies (SMPS), DC-AC converters for welding equipment, uninterruptible power supplies (UPS), and motor drive applications.
- What is the thermal resistance junction-case for the STH15NB50FI in the ISOWATT218 package?
The thermal resistance junction-case (Rthj-case) is 1.56 °C/W.
- Is the STH15NB50FI 100% avalanche tested?
- What is the static drain-source on resistance (RDS(on)) of the STH15NB50FI?
The static drain-source on resistance (RDS(on)) is less than 0.36 Ω.
- What is the gate threshold voltage (VGS(th)) range for the STH15NB50FI?
The gate threshold voltage (VGS(th)) range is 3 to 5 V.
- Is the STH15NB50FI still in production?
No, the STH15NB50FI is no longer manufactured and is considered obsolete.
