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ULN2004A from ST,ST Microelectronics

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16.113ms

ULN2004A

Manufacturer: ST

7-Channel High-Current Darlington Array

Partnumber Manufacturer Quantity Availability
ULN2004A ST 1717 In Stock

Description and Introduction

7-Channel High-Current Darlington Array The ULN2004A is a high-voltage, high-current Darlington transistor array manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Configuration:** 7-channel Darlington 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  
- **Integrated Freewheeling Diodes:** Yes (for inductive load protection)  
- **Package Options:** DIP-16, SO-16  

### **Descriptions:**  
- The ULN2004A is designed for driving high-current loads such as relays, solenoids, lamps, and stepper motors.  
- It consists of seven NPN Darlington pairs with common emitters and built-in suppression diodes for inductive loads.  
- Each channel can handle up to 500 mA, making it suitable for interfacing low-power logic circuits with high-power devices.  

### **Features:**  
- **High-Voltage Outputs:** Up to 50 V  
- **High-Current Capability:** 500 mA per channel  
- **Input Pins Compatible with TTL/CMOS Logic**  
- **Integrated Clamp Diodes for Inductive Load Protection**  
- **Wide Operating Temperature Range:** -20°C to +85°C  
- **Reliable and Robust for Industrial Applications**  

The ULN2004A is commonly used in applications requiring logic-level control of high-power devices, such as motor drivers, display drivers, and relay interfaces.

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