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ZMM4V3 from ST,ST Microelectronics

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ZMM4V3

Manufacturer: ST, TK

500mW SURFACE MOUNT ZENER DIODE

Partnumber Manufacturer Quantity Availability
ZMM4V3 ST, TK 4900 In Stock

Description and Introduction

500mW SURFACE MOUNT ZENER DIODE Here are the factual details about part **ZMM4V3** from manufacturer **ST**:

### **Specifications:**
- **Part Number:** ZMM4V3  
- **Manufacturer:** STMicroelectronics (ST)  
- **Type:** Zener Diode  
- **Voltage (Vz):** 4.3V  
- **Power Dissipation (Ptot):** 500mW  
- **Forward Voltage (Vf):** 1.2V (typical)  
- **Maximum Reverse Leakage Current (Ir):** 5µA (at 1V)  
- **Operating Temperature Range:** -65°C to +150°C  
- **Package:** DO-35  

### **Descriptions:**
- The **ZMM4V3** is a **4.3V Zener diode** designed for voltage regulation and protection in electronic circuits.  
- It is commonly used in **voltage clamping, surge suppression, and voltage reference applications**.  
- The **DO-35 package** is a glass-encapsulated axial-lead diode, suitable for through-hole PCB mounting.  

### **Features:**
- **Precise Zener Voltage (4.3V)** for stable regulation.  
- **Low dynamic impedance** for better voltage stability.  
- **High reliability** due to glass encapsulation.  
- **Wide operating temperature range** for various environments.  

This information is based on ST's official datasheet for the ZMM4V3 Zener diode.

Application Scenarios & Design Considerations

500mW SURFACE MOUNT ZENER DIODE

Alternative Part Number

  • BZT52C4V3 --: 4.3V zener diode in SOD-123 package with similar tolerance and power rating, widely available and pin-compatible substitute.
  • MMSZ4686T1G --: 4.3V zener in SOD-123 with comparable voltage tolerance and power dissipation, suitable drop-in replacement.
  • 1N4731A --: 4.3V 1W zener in DO-41 axial package, electrically equivalent for through-hole or leaded designs where package change is acceptable.

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