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KA7809TU from FAIRCHIL,Fairchild Semiconductor

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KA7809TU

Manufacturer: FAIRCHIL

3-Terminal 1A Positive Voltage Regulator

Partnumber Manufacturer Quantity Availability
KA7809TU FAIRCHIL 4000 In Stock

Description and Introduction

3-Terminal 1A Positive Voltage Regulator The KA7809TU is a voltage regulator manufactured by FAIRCHILD (Fairchild Semiconductor). Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**  
- **Output Voltage:** +9V (fixed)  
- **Output Current:** Up to 1.5A  
- **Input Voltage Range:** Up to 35V (recommended to stay within limits for thermal performance)  
- **Dropout Voltage:** ~2V (minimum input-output differential)  
- **Line Regulation:** 0.01%/V (typical)  
- **Load Regulation:** 0.3% (typical)  
- **Operating Temperature Range:** 0°C to +125°C  
- **Package Type:** TO-220 (KA7809TU denotes TO-220 package)  

### **Descriptions:**  
- The KA7809TU is a linear positive voltage regulator designed to provide a stable +9V output.  
- It includes built-in thermal overload protection, short-circuit protection, and safe operating area (SOA) protection.  
- Suitable for applications requiring fixed, regulated voltage with minimal external components.  

### **Features:**  
- Fixed +9V output with high accuracy.  
- Internal current limiting and thermal shutdown.  
- No external components required for basic operation (though input/output capacitors are recommended for stability).  
- TO-220 package for easy heat sinking in high-power applications.  

For exact tolerances or application-specific details, refer to the official Fairchild datasheet.

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