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T90RIA120

Medium Power Phase Control Thyristors (Power Modules), 50 A/70 A/90 A

Partnumber Manufacturer Quantity Availability
T90RIA120 40 In Stock

Description and Introduction

Medium Power Phase Control Thyristors (Power Modules), 50 A/70 A/90 A The part **T90RIA120** is a **thyristor** (SCR - Silicon Controlled Rectifier). Below are its key specifications, descriptions, and features based on the available knowledge base:

### **Manufacturer Specifications:**
- **Voltage Rating (VDRM/VRRM):** 1200V  
- **Current Rating (IT(RMS)):** 90A  
- **Gate Trigger Current (IGT):** Typically 50mA (exact value may vary by manufacturer)  
- **Gate Trigger Voltage (VGT):** Typically 1.5V (exact value may vary by manufacturer)  
- **On-State Voltage Drop (VTM):** ~1.7V (at rated current)  
- **Critical Rate of Rise of Off-State Voltage (dv/dt):** 1000V/µs (minimum)  
- **Holding Current (IH):** Typically 200mA (exact value may vary)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-220AB (common for medium-power thyristors)  

### **Descriptions:**
- The **T90RIA120** is a **high-power SCR** designed for switching and rectification in AC/DC power control applications.  
- It is commonly used in **motor control, industrial power supplies, and high-current switching circuits**.  
- The **TO-220AB package** provides efficient heat dissipation when mounted on a heatsink.  

### **Features:**
- **High surge current capability** (typically 8x IT(RMS) for one cycle).  
- **Low thermal resistance** for better heat dissipation.  
- **Isolated tab** (in some variants) for easier mounting on heatsinks.  
- **High blocking voltage** (1200V) suitable for industrial and heavy-duty applications.  

For exact values, always refer to the **manufacturer’s datasheet** (e.g., STMicroelectronics, Littelfuse, or other SCR suppliers).

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