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TYN408 from ST,ST Microelectronics

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TYN408

Manufacturer: ST

Silicon controlled rectifiers

Partnumber Manufacturer Quantity Availability
TYN408 ST 1000 In Stock

Description and Introduction

Silicon controlled rectifiers The TYN408 is a thyristor (SCR) manufactured by STMicroelectronics. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Voltage Ratings:**  
  - Repetitive Peak Off-State Voltage (VDRM): 800V  
  - Non-Repetitive Peak Off-State Voltage (VDSM): 900V  
  - RMS On-State Voltage (VRMS): 800V  
- **Current Ratings:**  
  - Average On-State Current (IT(AV)): 4A  
  - Non-Repetitive Surge Current (ITSM): 40A (for 10ms)  
  - Peak Gate Current (IGM): 2A  
  - Holding Current (IH): 5mA (typical)  
- **Gate Triggering Characteristics:**  
  - Gate Trigger Voltage (VGT): 1.5V (max)  
  - Gate Trigger Current (IGT): 5mA (max)  
- **Thermal Characteristics:**  
  - Operating Junction Temperature (Tj): -40°C to +125°C  
  - Storage Temperature (Tstg): -40°C to +150°C  

### **Descriptions:**  
- The TYN408 is a **sensitive gate thyristor** designed for general-purpose switching applications.  
- It is suitable for **AC switching**, motor control, and power regulation in industrial and consumer electronics.  
- The device is **planar passivated**, ensuring high reliability and stability.  

### **Features:**  
- **High voltage capability (800V)**  
- **Low gate triggering current (5mA max)**  
- **High surge current capability (40A for 10ms)**  
- **Isolated TO-220AB package (TYN408RLG variant)**  
- **Suitable for high-temperature environments**  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

Silicon controlled rectifiers

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