The STTH212, manufactured by STMicroelectronics, is an ultra-fast recovery diode designed to meet the stringent requirements of high efficiency power electronics systems. This diode is particularly well-suited for use in switch-mode power supplies, inverters, and as a freewheeling diode in various applications due to its low forward voltage drop and extremely fast switching capabilities.

Key Features

• Low Forward Voltage Drop (Vf): The STTH212 boasts a low forward voltage drop, which enhances overall system efficiency by reducing conduction losses.
• High Surge Current Capability: With its ability to handle high surge currents, this diode is reliable in applications that may experience unexpected overcurrent conditions.
• Ultra-Fast Reverse Recovery Time (trr): The diode's reverse recovery time is minimized, allowing for high-frequency operation and reduced switching losses.
• High Junction Temperature: The STTH212 can operate at high junction temperatures, offering a wider margin for thermal design and reliability under varying operating conditions.
• Insulated Package: Available in an insulated package, the STTH212 ensures easier handling and assembly processes, as well as reduced mounting costs.

Applications

The STTH212 is versatile and is commonly used in:

• Switch-mode power supplies (SMPS)
• Power factor correction circuits (PFC)
• Snubber and clamping circuits
• Freewheeling diodes in motor control circuits
• High-frequency rectifiers

Technical Specifications

Parameter Value Repetitive Peak Reverse Voltage (VRRM) 1200V Average Forward Current (IF(AV)) 2A Non-Repetitive Peak Forward Surge Current (IFSM) 70A Operating Junction Temperature (Tj) -40°C to +175°C Package DO-41, DO-15, DO-201

With its combination of speed, efficiency, and reliability, the STTH212 is a superior choice for modern power electronics applications requiring a high-performance diode solution.