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X0403DF from ST,ST Microelectronics

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X0403DF

Manufacturer: ST

SENSITIVE GATE SCR

Partnumber Manufacturer Quantity Availability
X0403DF ST 620 In Stock

Description and Introduction

SENSITIVE GATE SCR The part **X0403DF** is a **4 A, 600 V** standard **SCR (Silicon Controlled Rectifier)** manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Voltage - Off State (Vdrm):** 600 V  
- **Current - On State (It (RMS)):** 4 A  
- **Current - Non-Repetitive Surge (Ifsm):** 40 A (for 10 ms)  
- **Voltage - Gate Trigger (Vgt):** 1.5 V  
- **Current - Gate Trigger (Igt):** 5 mA  
- **Holding Current (Ih):** 5 mA  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-202 (TO-202-3, TO-202AA)  

### **Descriptions & Features:**  
- Designed for **general-purpose switching applications** in AC circuits.  
- **Sensitive gate** allows triggering with low gate current.  
- **High surge current capability** (40 A for 10 ms).  
- **Plastic passivated** for improved reliability.  
- **Isolated mounting base** (TO-202AA version).  
- **Applications:** Power switching, motor control, lighting, and industrial controls.  

This SCR is commonly used in **AC power control circuits** due to its robust performance and reliability.  

Would you like additional details on a specific aspect?

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