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SMAJ22

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ22 600 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ22 is a transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage spikes and transients. Below are the factual specifications, descriptions, and features based on the manufacturer's data:

### **Manufacturer:**  
- The SMAJ22 is produced by multiple manufacturers, including **Littelfuse, Vishay, STMicroelectronics, and ON Semiconductor**.

### **Specifications:**  
- **Voltage Rating (Vₑₓₜ):** 22V  
- **Breakdown Voltage (VBR):** 24.4V (min) to 27V (max) at 1mA  
- **Peak Pulse Power (Pₚₚ):** 400W (8/20μs waveform)  
- **Standoff Voltage (VWM):** 22V  
- **Clamping Voltage (Vc):** 35.5V at 10A (8/20μs pulse)  
- **Maximum Reverse Leakage Current (IR):** 1μA at VWM  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
- The SMAJ22 is a **unidirectional** TVS diode (unless specified as bidirectional in some variants).  
- It is housed in a **DO-214AC (SMA) package**, making it suitable for surface-mount applications.  
- Designed for **ESD, surge, and transient protection** in circuits.  

### **Features:**  
- **Low Clamping Voltage** for effective protection.  
- **Fast Response Time** (typically <1ps).  
- **High Surge Capability** (400W peak pulse power).  
- **RoHS Compliant** and halogen-free options available.  
- **AEC-Q101 Qualified** for automotive applications (specific variants).  

This information is based on standard manufacturer datasheets. For exact details, refer to the datasheet from the specific manufacturer.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

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