STTH20R04D Overview
The STTH20R04D is a high-performance ultrafast rectifier diode designed for efficient power conversion and switching applications. Featuring a repetitive peak reverse voltage of 400 V and a forward current rating of 20 A, this device offers robust conduction with low forward voltage drop. Its ultrafast recovery time supports reduced switching losses, making it ideal for use in power supplies, inverters, and motor drives. The compact DO-201AD package ensures easy integration into industrial and automotive systems, providing reliable performance under demanding electrical conditions. For sourcing and detailed specifications, visit IC Manufacturer.
STTH20R04D Technical Specifications
| Parameter | Value |
|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 400 V |
| Average Forward Current (IF(AV)) | 20 A |
| Surge Non-Repetitive Forward Current (IFSM) | 200 A (8.3 ms half sine wave) |
| Forward Voltage Drop (VF) at IF=20 A | Approx. 1.7 V |
| Reverse Recovery Time (trr) | 75 ns (typical) |
| Junction Temperature Range (Tj) | -65 to +175 ??C |
| Storage Temperature Range (Tstg) | -65 to +175 ??C |
| Package Type | DO-201AD |
| Thermal Resistance Junction to Ambient (R??JA) | Approx. 25 ??C/W |
STTH20R04D Key Features
- Ultrafast Recovery Time: With a typical reverse recovery of 75 ns, the diode minimizes switching losses, enhancing system efficiency in high-frequency power circuits.
- High Surge Current Capability: Supports surge currents up to 200 A, ensuring robustness against transient voltage spikes and improving device reliability.
- Low Forward Voltage Drop: Reduces conduction losses and heat generation, contributing to improved thermal management and energy efficiency.
- Wide Operating Temperature Range: Suitable for harsh industrial environments, maintaining performance from -65 ??C to +175 ??C junction temperature.
Typical Applications
- Switching power supplies: Used for rectification and freewheeling functions, enhancing efficiency and reliability in power conversion systems.
- Inverters for renewable energy: Supports high-frequency switching with low losses, making it ideal for solar and wind power inverters.
- Motor control circuits: Provides fast switching and high current handling for efficient motor drive operation in industrial automation.
- Uninterruptible Power Supplies (UPS): Ensures dependable rectification during power outages with high surge current capability.
STTH20R04D 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 thermal performance. Its high surge current rating and robust package design enhance reliability under transient conditions. These advantages make it a preferred choice for engineers seeking efficient, durable solutions in power management and industrial electronics.
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STTH20R04D Brand Info
The STTH20R04D is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in power semiconductors optimized for industrial and automotive applications. This ultrafast diode reflects the brand??s commitment to combining high performance, energy efficiency, and rugged reliability. The device is part of ST??s line of power rectifiers designed to meet demanding electrical and thermal requirements, supported by extensive technical documentation and global distribution networks.
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, allowing it to block high voltage spikes safely in various power electronic circuits.
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How does the recovery time affect performance in switching applications?
A short reverse recovery time of approximately 75 ns reduces switching losses and electromagnetic interference, which improves overall system efficiency and reliability in high-frequency power converters.
Can this diode handle high surge currents?
Yes, it supports a surge forward current of 200 A for 8.3 ms half sine wave pulses, making it resistant
