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SML4743A from VISHAY

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SML4743A

Manufacturer: VISHAY

Surface Mount Zener Diodes

Partnumber Manufacturer Quantity Availability
SML4743A VISHAY 16200 In Stock

Description and Introduction

Surface Mount Zener Diodes **Manufacturer:** VISHAY  

**Part Number:** SML4743A  

### **Specifications:**  
- **Type:** LED (Light Emitting Diode)  
- **Color:** Red  
- **Wavelength:** 625 nm (typical)  
- **Luminous Intensity:** 20 mcd (minimum)  
- **Forward Voltage (Vf):** 2.1 V (typical)  
- **Reverse Voltage (Vr):** 5 V  
- **Forward Current (If):** 20 mA  
- **Viewing Angle:** 60°  
- **Package:** 0805 (2.0 mm x 1.25 mm) SMD (Surface Mount Device)  

### **Descriptions and Features:**  
- **High Reliability:** Designed for long operational life.  
- **Low Power Consumption:** Suitable for energy-efficient applications.  
- **Surface Mount Technology (SMT):** Compact design for PCB mounting.  
- **RoHS Compliant:** Meets environmental standards.  
- **Applications:** Indicators, backlighting, automotive displays, and consumer electronics.  

This LED is commonly used in compact electronic devices requiring bright, efficient illumination.

Application Scenarios & Design Considerations

Surface Mount Zener Diodes

Alternative Part Number

  • 1N4743A --: Same 13V 1W zener diode in the standard 1N47xxA series; widely available and electrically equivalent to the SML4743A.
  • BZX85C13 --: 13V 1.3W zener in DO-41 package from the same manufacturer; close voltage and power rating make it a practical drop-in substitute.
  • 1N4743A-TR --: Vishay's 13V 1W zener in the 1N47xxA family, offering equivalent electrical characteristics with a different series naming.

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