STTH803D Overview
The STTH803D is a high-performance ultrafast rectifier diode designed to deliver efficient switching and low power loss in industrial and consumer electronics. With a maximum repetitive peak reverse voltage of 800 V and a forward current rating of 8 A, it is suitable for applications requiring fast recovery times and high surge current capability. This device ensures improved thermal stability and reduced electromagnetic interference in power conversion circuits. Engineered for durability and precision, the STTH803D supports high-frequency operations and is ideal for enhancing system reliability. For more details, visit IC Manufacturer.
STTH803D Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 800 | V |
| Average Forward Current (IF(AV)) | 8 | A |
| Surge Non-Repetitive Forward Current (IFSM) | 120 | A |
| Forward Voltage Drop (VF) at IF = 8 A | 1.7 | V |
| Reverse Recovery Time (trr) | 75 | ns |
| Junction Temperature (Tj) | -65 to +175 | ??C |
| Storage Temperature (Tstg) | -65 to +175 | ??C |
| Package Type | DO-201AD | – |
STTH803D Key Features
- Ultrafast Recovery Time: Enables high-frequency switching applications, minimizing switching losses and improving efficiency in power supplies.
- High Surge Current Capability: Supports peak surge currents up to 120 A, ensuring robust performance during transient overloads.
- Low Forward Voltage Drop: Reduces conduction losses, improving overall power conversion efficiency and thermal management.
- Wide Operating Temperature Range: Operates reliably from -65??C to +175??C, suitable for harsh industrial environments.
Typical Applications
- Switching power supplies: Efficient rectification with ultrafast recovery time improves system performance and reduces electromagnetic interference in industrial and consumer power converters.
- Freewheeling diode in motor control circuits: Provides fast and reliable switching to protect power semiconductors and enhance motor drive efficiency.
- Snubber circuits: Helps suppress voltage spikes in inductive loads, protecting sensitive components and improving system longevity.
- Inverters for renewable energy systems: Supports high-frequency operation and high surge currents, ensuring reliable performance in solar and wind energy converters.
STTH803D Advantages vs Typical Alternatives
This ultrafast diode offers superior switching speed and lower forward voltage drop compared to standard rectifiers, resulting in reduced power dissipation and improved efficiency. Its high surge current rating and robust thermal characteristics provide enhanced reliability in demanding applications. Compared to typical silicon diodes, it minimizes electromagnetic interference and supports higher frequency operations, making it a preferred choice for modern power electronics requiring precision and durability.
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STTH803D Brand Info
The STTH803D is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics is renowned for delivering high-quality power devices that combine innovation with reliability. This diode is part of ST??s family of ultrafast recovery rectifiers, designed to meet stringent industrial standards and provide optimized performance in power management systems. The product benefits from ST??s rigorous testing and quality assurance processes, ensuring consistency and long-term operational stability for engineers and sourcing specialists worldwide.
FAQ
What is the maximum repetitive peak reverse voltage rating of the STTH803D?
The device is rated for a maximum repetitive peak reverse voltage (VRRM) of 800 V, allowing it to block high voltage reverse currents in switching applications safely.
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How does the forward voltage drop affect the efficiency of this diode?
A lower forward voltage drop reduces the conduction losses during operation, which directly improves the efficiency of power conversion circuits by minimizing wasted power and heat generation.
Can the STTH803D handle short-term surge currents?
Yes, it supports a non-repetitive surge forward current of up to 120 A, enabling it to withstand transient overload events without damage, crucial
