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Z1SMA4.3 from TAITRON

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Z1SMA4.3

Manufacturer: TAITRON, DIOTEC

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

Partnumber Manufacturer Quantity Availability
Z1SMA4.3,Z1SMA43 TAITRON, DIOTEC 100000 In Stock

Description and Introduction

Surface mount Silicon-Zener Diodes (non-planar technology) The part **Z1SMA4.3** is manufactured by **DIOTEC**. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Zener Diode  
- **Voltage (Vz):** 4.3V  
- **Power Dissipation (Ptot):** 1W  
- **Tolerance (Vz):** ±5%  
- **Forward Voltage (Vf):** 1.2V (typical at 200mA)  
- **Reverse Leakage Current (Ir):** 5µA (max at 1V)  
- **Operating Temperature Range:** -65°C to +175°C  
- **Package:** SMA (DO-214AC)  

### **Descriptions & Features:**  
- Designed for voltage regulation and protection in circuits.  
- Low impedance and sharp breakdown characteristics.  
- Suitable for surface-mount applications.  
- RoHS compliant.  
- High reliability and stability.  

For exact performance under specific conditions, refer to the official datasheet.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • SMAJ4.3A --: Same SMA package unidirectional TVS diode with 4.3V standoff, widely available and electrically similar.
  • P4SMA4.3A --: SMA-packaged 400W TVS diode with matching 4.3V standoff voltage, suitable drop-in replacement.
  • SMA4.3A --: SMA TVS diode with 4.3V standoff and similar clamping characteristics, good second-source option.
  • SMAJ5.0A --: Slightly higher 5.0V standoff SMA TVS diode in the same family, usable when a small voltage margin is acceptable and widely available.

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