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IRKT71-12 from IR,International Rectifier

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IRKT71-12

Manufacturer: IR

1200V 75A Doubler Circuit Positive Phase Control Thyristor/Thyristor in a ADD-A-Pak package

Partnumber Manufacturer Quantity Availability
IRKT71-12,IRKT7112 IR 5 In Stock

Description and Introduction

1200V 75A Doubler Circuit Positive Phase Control Thyristor/Thyristor in a ADD-A-Pak package The IRKT71-12 is a thyristor module manufactured by **Infineon Technologies**. Below are the factual specifications, descriptions, and features based on available knowledge:

### **Manufacturer:**  
- **Infineon Technologies**  

### **Specifications:**  
- **Type:** Thyristor (SCR) Module  
- **Voltage Rating (VDRM/VRRM):** 1200V  
- **Current Rating (IT(RMS)):** 71A  
- **Gate Trigger Current (IGT):** Typically 50mA  
- **Gate Trigger Voltage (VGT):** Typically 1.5V  
- **On-State Voltage Drop (VTM):** ~1.7V (typical)  
- **Critical Rate of Rise of Off-State Voltage (dv/dt):** 1000V/µs (min)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Mounting Style:** Screw or Press-Fit  

### **Descriptions:**  
- The IRKT71-12 is a high-power thyristor module designed for industrial applications requiring controlled rectification or switching.  
- It is built with a robust construction for reliable performance in harsh environments.  

### **Features:**  
- **High Voltage & Current Capability:** Suitable for medium-power applications.  
- **Isolated Baseplate:** Provides electrical isolation for easier thermal management.  
- **Low Thermal Resistance:** Enhances heat dissipation.  
- **High Surge Current Capability:** Ensures durability under transient conditions.  
- **Industry-Standard Package:** Compatible with common mounting methods.  

For exact parameters, always refer to the official **Infineon datasheet**.

Application Scenarios & Design Considerations

1200V 75A Doubler Circuit Positive Phase Control Thyristor/Thyristor in a ADD-A-Pak package

Alternative Part Number

  • SKKT 71/12E --: Semikron dual thyristor module with 1200 V rating and similar 70 A class current, direct functional replacement for the IRKT71-12 phase control thyristor module.
  • MCC72-12IO1B --: IXYS dual thyristor module rated 1200 V and about 70 A, same package concept and gate drive requirements, suitable drop-in alternative.
  • TD71N12KOF --: Infineon/Eupec thyristor module with 1200 V blocking voltage and comparable 70 A current rating, widely used as an equivalent in phase control applications.

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