800V 60A Doubler Circuit Positive Phase Control Thyristor/Diode in a ADD-A-Pak package The IRKH56/08 is a thyristor module manufactured by IR (International Rectifier).  

**Specifications:**  
- **Voltage Rating:** Typically rated for 800V (blocking voltage).  
- **Current Rating:** Designed for high-current applications, often around 56A average current.  
- **Mounting Type:** Module form factor, typically screw or press-fit terminals.  
- **Package:** Commonly housed in an insulated or semi-insulated package for thermal management.  
- **Applications:** Used in power control, motor drives, and industrial inverters.  

**Features:**  
- **High Surge Current Capability:** Suitable for transient overload conditions.  
- **Isolated Base:** Allows for simplified heat sink mounting.  
- **Low Thermal Resistance:** Enhances heat dissipation.  
- **Reliable Switching Performance:** Optimized for industrial power electronics.  

For exact electrical characteristics, refer to the manufacturer's datasheet.

800V 60A Doubler Circuit Positive Phase Control Thyristor/Diode in a ADD-A-Pak package