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ULN2003A from ST/TEXAS,ST Microelectronics

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ULN2003A

Manufacturer: ST/TEXAS

7-Channel High-Current Darlington Array

Partnumber Manufacturer Quantity Availability
ULN2003A ST/TEXAS 50 In Stock

Description and Introduction

7-Channel High-Current Darlington Array The ULN2003A is a high-voltage, high-current Darlington transistor array manufactured by STMicroelectronics and Texas Instruments.  

### **Specifications:**  
- **Configuration:** 7-channel Darlington transistor array  
- **Output Current per Channel:** 500 mA (max)  
- **Output Voltage (Collector-Emitter):** 50 V (max)  
- **Input Voltage (Base-Emitter):** 30 V (max)  
- **Input Compatibility:** TTL, CMOS, PMOS  
- **Power Dissipation:** 2.25 W (total package)  
- **Operating Temperature Range:** -20°C to +85°C (ST), -40°C to +105°C (TI)  
- **Package Options:** PDIP-16, SOIC-16, TSSOP-16  

### **Descriptions:**  
- Each channel consists of a Darlington pair with a common-emitter configuration.  
- Includes integral suppression diodes for inductive load switching.  
- Designed for interfacing between low-level logic circuits and high-power loads.  

### **Features:**  
- High-Voltage and High-Current Capability  
- Clamp Diodes for Inductive Load Transient Suppression  
- Inputs Pinned Opposite Outputs for Easy PCB Layout  
- Compatible with Various Logic Families (TTL, 5V CMOS)  
- Reliable and Robust for Industrial Applications  

The ULN2003A is commonly used in relay drivers, stepper motor controllers, LED displays, and other high-power switching applications.

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