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X0405MF1AA2 from ST,ST Microelectronics

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X0405MF1AA2

Manufacturer: ST

4A SCRS

Partnumber Manufacturer Quantity Availability
X0405MF1AA2 ST 26750 In Stock

Description and Introduction

4A SCRS **Part Number:** X0405MF1AA2  
**Manufacturer:** STMicroelectronics (ST)  

### **Specifications:**  
- **Type:** Thyristor (SCR - Silicon Controlled Rectifier)  
- **Voltage - Off State (Vdrm):** 600V  
- **Current - On State (It (RMS)):** 4A  
- **Current - Non-Repetitive Surge (I²t):** 50A²s  
- **Current - Gate Trigger (Igt):** 5mA  
- **Voltage - Gate Trigger (Vgt):** 1.5V  
- **Current - Hold (Ih):** 5mA  
- **Operating Temperature:** -40°C to 125°C  
- **Package:** TO-202 (Modified TO-220)  

### **Descriptions:**  
- A sensitive gate thyristor designed for general-purpose switching applications.  
- Suitable for AC switching, motor control, and industrial automation.  

### **Features:**  
- High surge current capability.  
- Low gate trigger current for improved sensitivity.  
- High blocking voltage (600V).  
- Lead-free and RoHS compliant.  

(Source: STMicroelectronics datasheet)

Application Scenarios & Design Considerations

4A SCRS

Alternative Part Number

  • BT169D --: Sensitive-gate SCR in TO-92 with similar 0.8 A rating and low gate trigger current, a common functional substitute for small-signal SCR applications.
  • MCR100-6 --: Widely available 0.8 A sensitive-gate SCR in TO-92 with 400 V blocking voltage, suitable replacement for low-power switching and control circuits.
  • 2N5064 --: Classic TO-92 sensitive-gate SCR rated 0.8 A and 200 V, offering similar gate characteristics for light-duty phase control and switching.

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