STTH4R02UY Overview
The STTH4R02UY is a high-voltage ultra-fast recovery diode designed to deliver efficient rectification and switching performance in demanding industrial and power electronic applications. With a repetitive peak reverse voltage of 200 V and a forward current rating of 4 A, this diode offers reliable operation in circuits requiring fast recovery times and low losses. Its robust design ensures enhanced switching efficiency, making it ideal for use in power supplies, inverters, and motor drives. Engineered for high-frequency applications, the device supports improved system performance and thermal management. For more detailed product information, visit IC Manufacturer.
STTH4R02UY Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 200 | V |
| Average Forward Current (IF(AV)) | 4 | A |
| Non-Repetitive Peak Surge Current (IFSM) | 80 | A |
| Forward Voltage Drop (VF) at IF = 4 A | 1.7 | V |
| Reverse Recovery Time (trr) | 75 | ns |
| Junction Temperature Range (Tj) | -65 to +150 | ??C |
| Storage Temperature Range (Tstg) | -65 to +175 | ??C |
| Package Type | TO-220AC | ?C |
STTH4R02UY Key Features
- Ultra-fast recovery time: Minimizes switching losses and electromagnetic interference, improving overall system efficiency in high-frequency converters.
- High surge current capability: Supports transient conditions, ensuring reliability during inrush currents or fault events in power electronics.
- Low forward voltage drop: Reduces conduction losses and heat dissipation, enhancing thermal management and energy efficiency.
- Robust TO-220AC package: Facilitates easy mounting and effective heat sinking for improved thermal performance in industrial environments.
Typical Applications
- Rectification in switched-mode power supplies (SMPS), enabling efficient conversion of AC to DC power with fast switching speeds and low losses.
- Freewheeling diode in motor drive circuits to protect switching devices and improve system reliability during inductive load switching.
- Snubber circuits in power converters, providing transient voltage suppression to safeguard semiconductor components.
- Inverter circuits for renewable energy systems such as solar inverters, where fast recovery and high voltage handling are critical.
STTH4R02UY Advantages vs Typical Alternatives
This device offers superior switching speed and lower forward voltage drop compared to standard rectifier diodes, resulting in enhanced efficiency and reduced thermal stress. Its high surge current rating and robust package design provide improved reliability under demanding operating conditions. These advantages make it a preferred choice over general-purpose diodes in applications requiring fast recovery and high current capability.
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STTH4R02UY Brand Info
The STTH4R02UY is manufactured by STMicroelectronics, a global leader in semiconductor technology. STMicroelectronics provides a broad portfolio of power semiconductors designed for industrial and consumer applications. This ultra-fast diode is part of their extensive range of power discrete components, known for reliability, innovation, and quality. The company supports customers with comprehensive datasheets, design tools, and technical support to ensure optimal integration and performance in power electronics designs.
FAQ
What is the maximum repetitive peak reverse voltage of this diode?
The maximum repetitive peak reverse voltage (VRRM) of this diode is 200 volts, meaning it can withstand reverse voltage spikes up to this limit without breakdown, ensuring safe operation in high-voltage circuits.
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How does the ultra-fast recovery time benefit power electronic circuits?
The ultra-fast recovery time of approximately 75 nanoseconds reduces switching losses and minimizes electromagnetic interference during diode turn-off, which improves the efficiency and reliability of high-frequency power converters and inverters.
What is the significance of the forward voltage drop in this diode?
A low forward voltage drop of about 1.7 volts at 4 amps reduces conduction losses, leading to lower heat generation and






