STTH310S Overview
The STTH310S is a high-efficiency, fast-recovery rectifier designed for industrial power electronics applications. It features a high repetitive peak reverse voltage and a low forward voltage drop, enabling enhanced power conversion efficiency and thermal performance. This device offers reliable switching characteristics suitable for high-frequency operations, making it ideal for applications such as power supplies, inverter circuits, and motor drives. With its robust construction and proven reliability, the STTH310S ensures long-term durability under demanding electrical conditions. For detailed technical support and purchasing options, visit IC Manufacturer.
STTH310S Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 1000 | V |
| Average Forward Current (IF(AV)) | 3 | A |
| Non-Repetitive Peak Surge Current (IFSM) | 150 | A |
| Forward Voltage Drop (VF) at 3A | 1.7 | V |
| Reverse Recovery Time (trr) | 2 | ??s |
| Junction Temperature Range (Tj) | -65 to 175 | ??C |
| Storage Temperature Range (Tstg) | -65 to 175 | ??C |
| Thermal Resistance Junction to Ambient (RthJA) | 50 | ??C/W |
STTH310S Key Features
- Fast Recovery Time: Enables efficient switching in high-frequency power conversion, reducing switching losses and improving overall system efficiency.
- High Voltage Blocking Capability: Supports up to 1000 V repetitive peak reverse voltage, ensuring reliable operation in demanding high-voltage circuits.
- Low Forward Voltage Drop: Minimizes conduction losses, enhancing thermal management and reducing energy waste in power applications.
- Robust Surge Current Handling: Can withstand high non-repetitive peak surge currents, protecting the device against transient overloads and improving system reliability.
Typical Applications
- Switch Mode Power Supplies (SMPS): Ideal for rectification in high-frequency switching converters requiring fast recovery and low losses.
- Inverter Circuits: Suitable for use in photovoltaic inverters and motor drive inverters where efficient high-voltage rectification is crucial.
- Freewheeling Diode in Motor Drives: Provides fast switching and high surge capability to protect motors and improve performance.
- Industrial Power Converters: Effective in power factor correction (PFC) and other industrial power electronics requiring robust and efficient diode solutions.
STTH310S Advantages vs Typical Alternatives
This fast recovery diode offers superior switching speed and lower forward voltage drop compared to standard ultrafast diodes. Its high repetitive peak voltage and surge current capabilities enhance reliability under harsh electrical stresses. These advantages translate into improved efficiency, reduced thermal dissipation, and longer device lifetime, making it a preferred choice for high-performance industrial power electronics over typical silicon rectifiers.
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STTH310S Brand Info
The STTH310S is a product developed and manufactured by STMicroelectronics, a global leader in semiconductor technology. STMicroelectronics is renowned for delivering innovative power devices that combine high efficiency, reliability, and integration capabilities. This diode is part of ST??s portfolio of fast recovery rectifiers designed to meet the rigorous demands of industrial and automotive power electronics. The brand??s commitment to quality and performance ensures the STTH310S meets stringent industry standards for robustness and longevity.
FAQ
What are the main benefits of using the STTH310S in power supply designs?
The STTH310S provides fast recovery time and low forward voltage drop, which together reduce switching and conduction losses. This results in higher efficiency and less heat generation, making it ideal for power supply applications where performance and thermal management are critical.
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Can the STTH310S handle high surge currents during startup or faults?
Yes, it can withstand non-repetitive peak surge currents up to 150 A, providing robustness against transient overloads such as motor startup or short circuit conditions, ensuring device protection and system reliability.






