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ULN2003A. from Allegro

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ULN2003A.

Manufacturer: Allegro

7-Channel High-Current Darlington Array

Partnumber Manufacturer Quantity Availability
ULN2003A.,ULN2003A Allegro 125 In Stock

Description and Introduction

7-Channel High-Current Darlington Array The ULN2003A is a high-voltage, high-current Darlington transistor array manufactured by Allegro MicroSystems.  

### **Specifications:**  
- **Configuration:** Seven NPN Darlington pairs  
- **Voltage Rating:** Up to 50V  
- **Current Rating:** 500mA per channel (600mA peak)  
- **Input Compatibility:** 5V TTL, CMOS  
- **Output Clamp Diodes:** Included for inductive load protection  
- **Package Options:** PDIP-16, SOIC-16, TSSOP-16  

### **Descriptions and Features:**  
- Designed for interfacing between low-level logic and high-power loads.  
- Each channel includes freewheeling diodes for switching inductive loads.  
- Common-cathode clamp diodes simplify circuit design for relay, motor, and solenoid drivers.  
- High noise immunity due to Darlington configuration.  
- Wide operating temperature range: -20°C to +85°C.  

The ULN2003A is commonly used in applications such as relay drivers, stepper motor controllers, and LED displays.

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