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HZ4B2 from ST,ST Microelectronics

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HZ4B2

Manufacturer: ST, RENESAS

Silicon Epitaxial Planar Zener Diode for Stabilized Power Supply

Partnumber Manufacturer Quantity Availability
HZ4B2 ST, RENESAS 40970 In Stock

Description and Introduction

Silicon Epitaxial Planar Zener Diode for Stabilized Power Supply The part **HZ4B2** is manufactured by **Renesas Electronics**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Renesas Electronics  
- **Part Number:** HZ4B2  
- **Type:** Zener Diode  
- **Voltage (Vz):** 3.3V (Typical Zener Voltage)  
- **Power Dissipation (Pd):** 500mW  
- **Package:** SOD-323 (Miniature Surface Mount)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Forward Voltage (Vf):** 1V (Max at 200mA)  

### **Descriptions:**  
- The **HZ4B2** is a **3.3V Zener diode** designed for voltage regulation and protection in electronic circuits.  
- It is housed in a **SOD-323 package**, making it suitable for compact and surface-mount applications.  

### **Features:**  
- **Precision Zener Voltage:** Ensures stable voltage regulation.  
- **Low Leakage Current:** Improves efficiency in circuit applications.  
- **Surface-Mount Design:** Ideal for space-constrained PCB layouts.  
- **High Reliability:** Suitable for industrial and consumer electronics.  

This information is based on available technical documentation for the **HZ4B2** from Renesas. For detailed application notes or additional parameters, refer to the official datasheet.

Application Scenarios & Design Considerations

Silicon Epitaxial Planar Zener Diode for Stabilized Power Supply

Alternative Part Number

  • 1N4732A --: 4.7V 1W zener diode in a different series, widely available and electrically similar to the HZ4B2.
  • BZX55C4V7 --: 4.7V 500mW zener diode with a distinct naming series, suitable replacement for low-power regulation.
  • MMSZ5230B --: 4.7V surface-mount zener in a different series, good alternative when SMD package is acceptable.

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