The STTH4R02B, crafted by the renowned semiconductor manufacturer STMicroelectronics, is an ultrafast recovery diode that stands out for its exceptional performance and reliability. This component is engineered to meet the rigorous demands of modern power supply applications and is a perfect fit for high-frequency inverters, free-wheeling, and polarity protection applications.

Key Features

• High Reverse Voltage Capability: With a reverse voltage of 200V, the STTH4R02B offers robust protection for circuits operating at high voltages.
• Ultrafast Switching: The diode features an ultrafast recovery time, making it ideal for high-efficiency converters and SMPS (Switched-Mode Power Supply) where speed is crucial.
• Low Forward Voltage Drop: The low forward voltage drop helps to reduce power losses and enhance overall system efficiency.
• High Surge Current Capability: It can withstand high surge currents, making it reliable in applications that experience transient overcurrent conditions.

Applications

The STTH4R02B is versatile and can be used in a variety of applications, including:

• Power management solutions
• Switching power supplies
• Converters and inverters
• Free-wheeling diodes in motor control circuits
• Snubber diodes
• Polarity protection devices

Product Specifications

Parameter Value Package DO-15 Repetitive Reverse Voltage V<sub>RRM 200V Average Forward Current I<sub>F(AV) 4A Non-Repetitive Peak Forward Surge Current I<sub>FSM 130A Recovery Time t<sub>rr Typically 25 ns Operating Junction Temperature T<sub>j -40°C to +175°C

For engineers and designers looking for a high-performance diode with fast switching capabilities, the STTH4R02B from STMicroelectronics is an excellent choice that combines efficiency, reliability, and cost-effectiveness.