STTH812G - High Efficiency Ultrafast Diode

The STTH812G, part of STMicroelectronics' high-efficiency diode portfolio, is an ultrafast diode designed for applications requiring low forward voltage drop and minimal recovery time. This component is particularly suitable for high-frequency inverters, freewheeling diodes, and power factor correction circuits, where energy efficiency is paramount.

Key Features

• High Junction Temperature: With a maximum operating junction temperature of 175°C, the STTH812G is capable of sustaining high thermal conditions, making it reliable for industrial-grade applications.
• Low Forward Voltage Drop: The diode's low forward voltage drop (Vf) helps in reducing power losses and improving system efficiency, which is crucial for energy-sensitive designs.
• Ultrafast Reverse Recovery Time: Its ultrafast recovery time minimizes switching losses and reduces noise generation, contributing to the overall performance of the circuit.
• High Surge Current Capability: With its ability to handle high surge currents, this diode is well-suited for applications that may experience occasional overcurrent conditions.

Applications

The STTH812G is versatile and can be utilized in various demanding applications, including:

• Switch-mode power supplies (SMPS)
• Power factor correction (PFC) circuits
• Snubber circuits
• High-frequency inverters
• Freewheeling diodes in converter circuits

Product Specifications

Parameter Value Repetitive Peak Reverse Voltage (V<sub>RRM) 1200 V Average Forward Current (I<sub>F(AV)) 8 A Non-Repetitive Peak Forward Surge Current (I<sub>FSM) 80 A Reverse Recovery Time (t<sub>rr) 35 ns Operating Junction Temperature (T<sub>j) -40°C to +175°C

With its robust design and superior electrical characteristics, the STTH812G is an excellent choice for engineers looking to enhance the efficiency and reliability of their power electronic systems.