STTH108A Overview
The STTH108A is a high-performance ultrafast diode designed for industrial and electronic power applications requiring rapid switching and low losses. Featuring a maximum repetitive peak reverse voltage of 1000 V and a forward continuous current rating of 10 A, it delivers reliable operation under demanding conditions. Its ultrafast recovery time reduces switching losses, making it ideal for power conversion, freewheeling, and rectification roles. The compact DO-201AD package supports efficient thermal management, ensuring durability and improved system efficiency. Available through IC Manufacturer, this diode suits applications in power supplies, motor drives, and industrial automation systems.
STTH108A Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 1000 | V |
| Average Forward Current (IF(AV)) | 10 | A |
| Non-Repetitive Surge Current (IFSM) | 150 | A |
| Forward Voltage Drop (VF) at IF = 10 A | 1.7 | V |
| Reverse Recovery Time (trr) | 75 | ns |
| Junction Temperature (Tj) | -65 to +150 | ??C |
| Storage Temperature Range (Tstg) | -65 to +175 | ??C |
| Package Type | DO-201AD | ?C |
STTH108A Key Features
- Ultrafast Recovery Time: Minimizes switching losses and enhances efficiency in high-frequency circuits.
- High Surge Current Capability: Supports transient overloads up to 150 A, ensuring robustness in power spikes.
- Low Forward Voltage Drop: Reduces conduction losses, contributing to improved thermal performance and energy efficiency.
- Wide Operating Temperature Range: Enables reliable operation in harsh industrial environments from -65 ??C to +150 ??C.
Typical Applications
- Power rectification in switch-mode power supplies (SMPS), where high voltage and current ratings with fast switching improve conversion efficiency and reduce heat dissipation.
- Freewheeling diodes in motor drive circuits to protect switching devices and improve energy recovery during inductive load switching.
- Snubber circuits for transient voltage protection, leveraging the ultrafast recovery characteristic to prevent voltage spikes and improve system reliability.
- Industrial automation equipment requiring robust, high-voltage diodes capable of withstanding surge currents and rapid switching cycles.
STTH108A Advantages vs Typical Alternatives
This ultrafast diode offers superior switching speed and surge current capability compared to standard rectifiers, resulting in lower switching and conduction losses. Its compact DO-201AD packaging ensures efficient thermal management for prolonged reliability. The combination of high voltage tolerance and low forward voltage drop makes it an optimal choice over slower diodes or less robust alternatives in industrial power electronics.
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STTH108A Brand Info
The STTH108A is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in power and discrete devices optimized for industrial, automotive, and consumer electronics markets. This diode family is part of ST??s portfolio of ultrafast recovery diodes designed to enhance power conversion efficiency and system reliability. The brand emphasizes quality, innovation, and extensive application support, making the STTH108A a trusted component for engineers and sourcing professionals in demanding industrial environments.
FAQ
What is the significance of the ultrafast recovery time in the STTH108A diode?
The ultrafast recovery time, typically 75 nanoseconds, reduces switching losses during turn-off transitions. This feature is critical in high-frequency applications such as switch-mode power supplies and motor drives, where minimizing energy loss and heat generation improves overall efficiency and component lifespan.
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Can the STTH108A handle surge currents during transient events?
Yes, the diode can handle non-repetitive surge currents up to 150 A, allowing it to withstand transient overloads without damage. This capability ensures reliable performance in applications with sudden current spikes, such as motor startup or fault conditions.
