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Z1SMA18 from DIOTEC

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Z1SMA18

Manufacturer: DIOTEC, TAITRON

Surface mount Silicon-Zener Diodes (non-planar technology)

Partnumber Manufacturer Quantity Availability
Z1SMA18 DIOTEC, TAITRON 100000 In Stock

Description and Introduction

Surface mount Silicon-Zener Diodes (non-planar technology) The part **Z1SMA18** is manufactured by **DIOTEC**. Here are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Zener Diode  
- **Voltage (Vz):** 18V  
- **Power Dissipation (Ptot):** 1W  
- **Forward Voltage (Vf):** 1.2V (typical)  
- **Reverse Leakage Current (Ir):** 5µA (max)  
- **Operating Temperature Range:** -65°C to +175°C  
- **Package:** SMA (DO-214AC)  

### **Descriptions:**  
- The **Z1SMA18** is a **1W surface-mount Zener diode** designed for voltage regulation and protection in electronic circuits.  
- It provides a stable **18V breakdown voltage** with tight tolerance.  

### **Features:**  
- **High reliability** for voltage stabilization.  
- **Low leakage current** in reverse bias.  
- **Compact SMA package** for space-saving PCB designs.  
- Suitable for **surge protection, voltage clamping, and regulation** in various applications.  

For exact technical details, always refer to the official **DIOTEC datasheet**.

Application Scenarios & Design Considerations

Surface mount Silicon-Zener Diodes (non-planar technology)

Alternative Part Number

  • SMAJ18A --: Same SMA package unidirectional TVS diode with 18V standoff voltage; widely available and electrically equivalent for transient suppression.
  • P4SMA18A --: SMA-packaged 18V unidirectional TVS diode with comparable clamping performance; direct functional replacement.
  • SMAJ18CA --: SMA 18V bidirectional TVS diode; suitable if bidirectional clamping is acceptable, from a different series and manufacturer.

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