STTH2R02AFY Overview
The STTH2R02AFY is a high-performance ultrafast recovery diode designed for industrial power electronics applications. Featuring a maximum repetitive peak reverse voltage of 200V and a forward average current rating of 2A, this device is optimized for efficient switching and low power dissipation. Its ultrafast recovery time minimizes switching losses, making it ideal for high-frequency converters and power supplies. With robust avalanche energy capability and a compact TO-220 package, it provides reliable operation in demanding environments. For engineers and sourcing specialists requiring precision and durability, the STTH2R02AFY offers a balanced solution combining speed, efficiency, and thermal performance. More details available at IC Manufacturer.
STTH2R02AFY Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 200 | V |
| Average Forward Current (IF(AV)) | 2 | A |
| Surge Non-Repetitive Forward Current (IFSM) | 30 | A |
| Reverse Recovery Time (trr) | 35 | ns |
| Forward Voltage Drop (VF) at IF=2A | 1.3 | V |
| Junction Temperature (Tj) | -65 to 150 | ??C |
| Power Dissipation (PTOT) | 25 | W |
| Package | TO-220AC | – |
| Reverse Leakage Current (IR) at VR=200V | 5 | ??A |
STTH2R02AFY Key Features
- Ultrafast Recovery Time: The 35 ns reverse recovery time reduces switching losses, improving overall converter efficiency in high-frequency applications.
- Robust Voltage Rating: With a 200 V repetitive peak reverse voltage, it safely operates in a wide range of power supply voltages, supporting versatile industrial uses.
- High Surge Current Capability: The 30 A non-repetitive surge current withstands transient overloads, enhancing reliability under harsh operating conditions.
- Low Forward Voltage Drop: A forward voltage of 1.3 V at rated current helps minimize conduction losses and power dissipation for better thermal management.
Typical Applications
- Switching power supplies and inverters requiring fast recovery diodes to reduce switching losses and improve efficiency in industrial environments.
- Motor drive circuits where fast switching and high surge current handling ensure reliable performance during transient load conditions.
- Power factor correction (PFC) circuits to enhance power efficiency and reduce electromagnetic interference in industrial power systems.
- Freewheeling diodes in DC-DC converters and voltage regulators for smooth current transitions and improved system stability.
STTH2R02AFY Advantages vs Typical Alternatives
This ultrafast diode offers significant advantages over standard recovery diodes by combining low forward voltage drop with a rapid reverse recovery time. This results in reduced switching losses and enhanced efficiency in high-frequency circuits. Its high surge current capability and robust voltage rating improve resilience and reliability, making it a preferred choice for industrial power applications where precision and durability are critical.
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STTH2R02AFY Brand Info
The STTH2R02AFY is part of STMicroelectronics’ extensive portfolio of power semiconductors. STMicroelectronics is a global leader in semiconductor solutions, recognized for innovative, high-quality products used across industrial, automotive, and consumer electronics sectors. This device exemplifies ST??s commitment to delivering reliable and efficient power components designed to meet the stringent requirements of modern electronics applications.
FAQ
What is the maximum reverse voltage rating for this diode?
The device supports a maximum repetitive peak reverse voltage (VRRM) of 200 V, allowing it to safely operate in circuits with voltages up to this level without breakdown.
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How does the reverse recovery time affect circuit performance?
The 35 ns ultrafast reverse recovery time minimizes switching losses during transistor turn-off, which enhances efficiency and reduces electromagnetic interference in high-frequency






