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SM3JZ47 from 东芝,TOSHIBA

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SM3JZ47

Manufacturer: 东芝, TOS

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

Partnumber Manufacturer Quantity Availability
SM3JZ47 东芝, TOS 11000 In Stock

Description and Introduction

BI-DIRECTIONAL TRIODE THYRISTOR SILICON PLANAR TYPE AC POWER CONTROL APPLICATIONS The part **SM3JZ47** is a **bidirectional transient voltage suppressor (TVS) diode** manufactured by **TOS (Toshiba Semiconductor)**.  

### **Manufacturer Specifications:**  
- **Type:** Bidirectional TVS Diode  
- **Breakdown Voltage (VBR):** 52.2V (min) – 57.8V (max)  
- **Standoff Voltage (VRWM):** 47V  
- **Peak Pulse Power (PPP):** 300W (8/20μs waveform)  
- **Clamping Voltage (VC):** 77.4V (max) at 1A  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AA (SMB)  

### **Descriptions & Features:**  
- **Bidirectional Protection:** Protects against both positive and negative transient voltage spikes.  
- **Low Clamping Voltage:** Helps safeguard sensitive circuits.  
- **Fast Response Time:** Responds quickly to transient events.  
- **High Surge Capability:** Designed to handle high-energy transients.  
- **RoHS Compliant:** Meets environmental standards.  

This diode is commonly used for **ESD protection, surge suppression, and voltage clamping** in **power supplies, communication lines, and automotive electronics**.  

Would you like additional details on any specific parameter?

Application Scenarios & Design Considerations

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

Alternative Part Number

  • 1N4744A --: 47V 1W zener diode in a different series, widely available and electrically similar to the SM3JZ47.
  • BZX85C47 --: 47V 1.3W zener diode with comparable voltage and power rating, from a distinct series.
  • 1N5261B --: 47V 500mW zener diode offering a lower-power alternative with the same nominal voltage.

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