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Z1SMA91 from TAITRON

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Z1SMA91

Manufacturer: TAITRON, DIOTEC

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

Partnumber Manufacturer Quantity Availability
Z1SMA91 TAITRON, DIOTEC 100000 In Stock

Description and Introduction

Surface mount Silicon-Zener Diodes (non-planar technology) The part **Z1SMA91** is manufactured by **TAITRON**. Below are the specifications, descriptions, and features based on the available knowledge:

### **Specifications:**
- **Type:** Zener Diode  
- **Voltage - Zener (Nom) (Vz):** 91V  
- **Power - Max:** 1W  
- **Tolerance:** ±5%  
- **Impedance (Max) (Zzt):** 700 Ohms  
- **Current - Reverse Leakage @ Vr:** 5µA @ 69.5V  
- **Operating Temperature:** -65°C to +175°C  
- **Package / Case:** DO-214AC (SMA)  

### **Descriptions:**
- The **Z1SMA91** is a **1W surface-mount Zener diode** designed for voltage regulation applications.  
- It provides a nominal Zener voltage of **91V** with a tight tolerance of **±5%**.  
- The diode is housed in a **DO-214AC (SMA) package**, making it suitable for automated PCB assembly.  

### **Features:**
- **High reliability** for voltage regulation in circuits.  
- **Low reverse leakage current** (5µA at 69.5V).  
- **Wide operating temperature range** (-65°C to +175°C).  
- **Surface-mount design** for compact PCB layouts.  

For further details, refer to the official **TAITRON datasheet**.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • SMAJ91A --: Same SMA package unidirectional TVS diode with 91V standoff voltage, widely available and electrically equivalent.
  • P4SMA91A --: SMA-packaged 400W unidirectional TVS with 91V standoff, direct functional replacement from a major manufacturer.
  • SMAJ90A --: SMA unidirectional TVS with 90V standoff, closest standard voltage rating and suitable drop-in substitute.

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