STTH3R04U Overview
The STTH3R04U is a high-performance ultra-fast recovery diode designed for industrial power electronics applications requiring efficient switching and minimal losses. With a repetitive peak reverse voltage of 400 V and a high forward current rating, this device ensures reliable operation under demanding conditions. Its ultra-fast recovery time optimizes switching efficiency, reducing electromagnetic interference and heat generation. Ideal for use in power supplies, inverters, and motor control circuits, the STTH3R04U combines robust electrical characteristics with a compact package, contributing to enhanced system durability and performance. For detailed sourcing and technical support, visit IC Manufacturer.
STTH3R04U Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 400 | V |
| Average Rectified Forward Current (IF(AV)) | 3 | A |
| Surge Non-Repetitive Forward Current (IFSM) | 80 | A |
| Forward Voltage Drop (VF) at IF = 3A | 1.3 | V |
| Reverse Recovery Time (trr) | 75 | ns |
| Junction Temperature Range (Tj) | -65 to +175 | ??C |
| Thermal Resistance Junction to Ambient (RthJA) | 50 | ??C/W |
| Package Type | DO-201AD | – |
STTH3R04U Key Features
- Ultra-fast recovery time: Minimizes switching losses and electromagnetic interference, improving overall power efficiency in switching applications.
- High surge current capability: Supports transient overloads up to 80 A, enhancing reliability during power surges or short-term load spikes.
- Robust voltage rating: Withstands repetitive peak reverse voltages up to 400 V, suitable for demanding industrial circuits.
- Low forward voltage drop: Reduces conduction losses, contributing to lower heat dissipation and improved energy efficiency.
Typical Applications
- Power supply rectification in industrial equipment where fast switching diodes improve efficiency and thermal management.
- Snubber circuits in motor drives to protect sensitive components from voltage spikes.
- Freewheeling diodes in inverters and UPS systems, ensuring smooth current flow and reducing switching noise.
- High-frequency switching power converters requiring rapid recovery diodes to maintain performance at elevated frequencies.
STTH3R04U Advantages vs Typical Alternatives
This diode offers a superior balance of fast recovery speed and high surge current capacity compared to standard rectifiers. Its low forward voltage and tight junction temperature rating provide improved energy efficiency and reliability. These advantages make it a preferred choice over conventional diodes in applications where switching speed and thermal performance are critical.
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STTH3R04U Brand Info
The STTH3R04U is manufactured by STMicroelectronics, a global leader in semiconductor solutions for industrial and automotive applications. STMicroelectronics is renowned for its innovation in power management devices, offering components that combine high efficiency, robustness, and compact design. This diode is part of ST??s portfolio of ultra-fast recovery rectifiers, designed to meet the stringent requirements of modern power electronics with consistent quality and extensive technical support.
FAQ
What is the maximum repetitive peak reverse voltage of this diode?
The device is rated for a maximum repetitive peak reverse voltage (VRRM) of 400 V, making it suitable for a wide range of industrial power applications requiring medium-voltage blocking capability.
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How does the recovery time affect performance in switching circuits?
The ultra-fast recovery time of 75 ns reduces switching losses and electromagnetic interference. This results in higher efficiency and less heat generation in high-frequency power conversion circuits.
