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SM2GZ47A from 东芝,TOSHIBA

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SM2GZ47A

Manufacturer: 东芝, TOSHIBA

BI .DIRECTIONAL TRIODE THYRISTOR SILICON PLANAR TYPE AC POWER CONTROL APPLICATIONS

Partnumber Manufacturer Quantity Availability
SM2GZ47A 东芝, TOSHIBA 60000 In Stock

Description and Introduction

BI .DIRECTIONAL TRIODE THYRISTOR SILICON PLANAR TYPE AC POWER CONTROL APPLICATIONS The part **SM2GZ47A** is manufactured by **东芝 (Toshiba)**. Below are the factual specifications, descriptions, and features of this component:  

### **Specifications:**  
- **Type:** Zener Diode  
- **Voltage (Vz):** 47V  
- **Power Dissipation (P):** 500mW  
- **Tolerance:** ±5%  
- **Package:** SOD-123 (Miniature Surface Mount)  
- **Operating Temperature Range:** -65°C to +150°C  
- **Forward Voltage (VF):** 1.2V (Typical)  
- **Reverse Leakage Current (IR):** 5μA (Max at 37.6V)  

### **Descriptions:**  
- The **SM2GZ47A** is a **surface-mount Zener diode** designed for voltage regulation and protection in electronic circuits.  
- It provides a stable **47V breakdown voltage** with low leakage current.  
- Suitable for **precision voltage reference, surge suppression, and overvoltage protection** applications.  

### **Features:**  
- **High reliability** with stable Zener characteristics.  
- **Compact SOD-123 package** for space-saving PCB designs.  
- **Low impedance** for efficient voltage clamping.  
- **RoHS compliant** (lead-free and environmentally friendly).  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

BI .DIRECTIONAL TRIODE THYRISTOR SILICON PLANAR TYPE AC POWER CONTROL APPLICATIONS

Alternative Part Number

  • 1N4747A --: 20V 1W Zener diode in DO-41 package, a common industry-standard replacement for the 20V 1W Zener function of the SM2GZ47A.
  • BZX55C20 --: 20V 500mW Zener diode in DO-35 package, widely available and suitable for lower-power regulation where 1W rating is not required.
  • 1N5357B --: 20V 5W Zener diode in DO-15 package, offers higher power margin and can replace the SM2GZ47A in circuits needing robust 20V clamping.
  • BZX85C20 --: 20V 1.3W zener diode in DO-41, widely available and electrically close to the original 20V zener specification.

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