The STTH1R04Q is a high-performance ultrafast recovery diode designed by STMicroelectronics to meet the rigorous demands of modern electronic applications. This device is particularly well-suited for use in switch-mode power supplies, high-frequency converters, and power factor correction circuits, where efficiency and reliability are critical.

Key Features

• Low Forward Voltage Drop: The diode features a very low forward voltage drop, which enhances the overall efficiency of the application by reducing power losses during the conduction phase.
• High Switching Speed: With ultrafast recovery times, the STTH1R04Q minimizes switching losses and is capable of operating at high frequencies, which is essential for modern power supply designs.
• Soft Recovery Characteristics: The soft recovery behavior of the diode reduces electromagnetic interference (EMI) and stress on the diode, thereby improving the longevity and performance of the end application.
• High Thermal and Mechanical Performance: The robust package design and superior materials used in the STTH1R04Q ensure excellent thermal and mechanical performance, making it reliable in various operating conditions.

Applications

The STTH1R04Q is ideal for a wide range of applications, including:

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

Technical Specifications

Parameter Value Repetitive Peak Reverse Voltage (V<sub>RRM) 400 V Average Forward Current (I<sub>F(AV)) 1 A Non-Repetitive Peak Forward Surge Current (I<sub>FSM) 30 A Forward Voltage Drop (V<sub>F) 1.25 V Recovery Time (t<sub>rr) 25 ns Operating Junction Temperature (T<sub>j) -40°C to 175°C

The STTH1R04Q is a testament to STMicroelectronics' commitment to providing advanced semiconductor solutions that empower the electronics of today and tomorrow. Its exceptional performance and reliability make it an essential component for any high-efficiency power conversion system.