STTH30R04DY ST Microelectronics 30A 400V Fast Recovery Diode, TO-247 Package

  • This device functions as a high-speed rectifier, enabling efficient current flow control in power circuits.
  • It features a voltage rating suitable for handling demanding electrical loads safely and effectively.
  • The compact package design allows for optimal board space utilization and simplified assembly.
  • Commonly used in power supply units, it ensures stable operation under varying load conditions.
  • Built to meet rigorous quality standards, it offers dependable performance over extended use.
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STTH30R04DY Overview

The STTH30R04DY is a high-performance ultrafast dual diode designed for industrial power electronics applications requiring efficient rectification and fast recovery times. With a maximum repetitive peak reverse voltage of 400 V and a forward current rating of 30 A, it ensures robust operation in demanding environments. This component features a low forward voltage drop and a rapid reverse recovery time, making it ideal for switching power supplies, inverters, and freewheeling diodes where efficiency and reliability are critical. For more detailed technical support and supply options, visit IC Manufacturer.

STTH30R04DY Technical Specifications

ParameterValueUnit
Maximum Repetitive Peak Reverse Voltage (VRRM)400V
Average Forward Current (IF(AV))30A
Surge Forward Current (IFSM)300A
Forward Voltage Drop (VF) at IF = 30 A1.6V
Reverse Recovery Time (trr)75ns
Junction Temperature (Tj)-55 to 150??C
Power Dissipation (Ptot)150W
Package TypeTO-247AC?C

STTH30R04DY Key Features

  • Ultrafast recovery diode: Minimizes switching losses and electromagnetic interference, improving overall system efficiency.
  • High surge current capability: Supports transient overloads up to 300 A, enhancing durability under stress conditions.
  • Low forward voltage drop: Reduces conduction losses, which leads to lower heat generation and improved power efficiency.
  • Robust thermal performance: Operating junction temperature up to 150??C enables reliable operation in harsh industrial environments.

Typical Applications

  • Rectification in switched-mode power supplies (SMPS) where fast recovery and high current handling are essential for efficient power conversion.
  • Freewheeling diode in motor drives to protect transistors by providing a path for inductive load current.
  • Inverter circuits for renewable energy systems requiring low losses and high reliability under frequent switching conditions.
  • Snubber circuits in power electronics to suppress voltage spikes and protect semiconductor switches.

STTH30R04DY Advantages vs Typical Alternatives

This dual ultrafast diode offers superior switching speed and lower forward voltage drop compared to standard rectifiers, resulting in reduced power loss and improved thermal management. Its high surge current capacity and robust packaging provide enhanced reliability in industrial environments. These advantages make it preferable over slower recovery diodes, especially in high-frequency power conversion applications where efficiency and durability are paramount.

STTH30R04DY Brand Info

The STTH30R04DY is manufactured by STMicroelectronics, a leading global semiconductor company known for innovative and reliable power devices. STMicroelectronics specializes in discrete components, power management solutions, and automotive-grade semiconductors, supporting industrial and consumer electronics markets. This diode series reflects ST??s commitment to quality and performance, optimized for demanding power electronics applications requiring ultrafast switching and high current ratings.

FAQ

What is the maximum forward current rating of this ultrafast diode?

The maximum average forward current for this device is 30 A, enabling it to handle substantial load currents in power electronics systems while maintaining stable operation.

How fast is the diode??s reverse recovery time?

This component features a reverse recovery time of approximately 75 nanoseconds, which helps minimize switching losses and electromagnetic interference during high-speed switching operations.

What package does the STTH30R04DY come in?

The diode is housed in a TO-247AC package

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