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ZM4728 from VISHAY

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ZM4728

Manufacturer: VISHAY, FRANCE

ARK Electronics - SILICON PLANAR POWER ZENER DIODES

Partnumber Manufacturer Quantity Availability
ZM4728 VISHAY, FRANCE 22000 In Stock

Description and Introduction

ARK Electronics - SILICON PLANAR POWER ZENER DIODES Here are the factual details about part ZM4728 from manufacturer VISHAY based on Ic-phoenix technical data files:

### **Manufacturer:** VISHAY  
### **Part Number:** ZM4728  

### **Specifications:**  
- **Type:** Zener Diode  
- **Voltage (Vz):** 3.3V  
- **Power Dissipation (Ptot):** 1W  
- **Tolerance:** ±5%  
- **Package:** DO-41  
- **Operating Temperature Range:** -65°C to +200°C  

### **Descriptions:**  
- A 1W Zener diode designed for voltage regulation and protection in electronic circuits.  
- Features a nominal Zener voltage of 3.3V with a ±5% tolerance.  

### **Features:**  
- **High reliability**  
- **Low impedance**  
- **Lead-free and RoHS compliant**  
- **Hermetically sealed glass package (DO-41)**  

This information is strictly based on VISHAY's specifications for the ZM4728 Zener diode.

Application Scenarios & Design Considerations

ARK Electronics - SILICON PLANAR POWER ZENER DIODES

Alternative Part Number

  • 1N4742A --: 1N4742A is a 12V 1W zener diode in DO-41, matching the ZM4728's 12V 1W rating and axial package, widely available and a direct functional replacement.
  • BZX85C12 --: BZX85C12 is a 12V 1.3W zener diode in DO-41 from the same manufacturer, offering similar voltage and higher power margin for the same application.
  • 1N5242B --: 1N5242B is a 12V 0.5W zener diode in DO-35, suitable as a lower-power alternative when 1W dissipation is not required.

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