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TYN412 from ST,ST Microelectronics

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TYN412

Manufacturer: ST

HIGH SURGE CAPABILITY HIGH ON-STATE CURRENT HIGH STABILITY AND RELIABILITY

Partnumber Manufacturer Quantity Availability
TYN412 ST 4187 In Stock

Description and Introduction

HIGH SURGE CAPABILITY HIGH ON-STATE CURRENT HIGH STABILITY AND RELIABILITY The TYN412 is a thyristor manufactured by STMicroelectronics.  

### **Specifications:**  
- **Type:** Standard Thyristor (SCR)  
- **Voltage (VDRM/VRRM):** 400V  
- **Current (IT(RMS)):** 4A  
- **Gate Trigger Current (IGT):** 5mA (max)  
- **Gate Trigger Voltage (VGT):** 0.8V (max)  
- **Holding Current (IH):** 5mA (max)  
- **On-State Voltage (VTM):** 1.7V (max at IT = 4A)  
- **Critical Rate of Rise of Off-State Voltage (dv/dt):** 50V/µs (min)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220AB (isolated tab)  

### **Descriptions and Features:**  
- Designed for general-purpose switching applications.  
- High surge current capability.  
- Isolated mounting base for simplified heatsink attachment.  
- Suitable for AC switching, motor control, and power regulation.  
- Compliant with RoHS standards.  

For detailed datasheets, refer to STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

HIGH SURGE CAPABILITY HIGH ON-STATE CURRENT HIGH STABILITY AND RELIABILITY

Alternative Part Number

  • BT151-600R --: 600V 12A SCR in TO-220 with similar gate sensitivity and current rating, widely available and pin-compatible with TYN412.
  • C106M --: Sensitive-gate 600V SCR rated around 4A, suitable for lower-current replacements where gate trigger current is critical.
  • 2N6404 --: 600V 10A SCR in TO-220 package with comparable blocking voltage and on-state current, a common alternative for general switching applications.

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