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ULN2074B from STM,ST Microelectronics

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ULN2074B

Manufacturer: STM

50V

Partnumber Manufacturer Quantity Availability
ULN2074B STM 415 In Stock

Description and Introduction

50V The ULN2074B is a high-voltage, high-current Darlington transistor array manufactured by STMicroelectronics (STM).  

### **Specifications:**  
- **Configuration:** Quad Darlington array (4 channels)  
- **Output Current per Channel:** 500 mA (continuous)  
- **Peak Output Current:** 600 mA  
- **Output Voltage:** 50 V  
- **Input Voltage (Logic Compatible):** 5 V TTL/CMOS  
- **Input Current per Channel:** ~1.5 mA  
- **Saturation Voltage (VCE(sat)):** ~1.1 V (at 350 mA)  
- **Power Dissipation:** 1.25 W per driver  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin DIP, SO-16  

### **Descriptions & Features:**  
- Designed for driving high-current loads such as relays, lamps, solenoids, and stepper motors.  
- Each channel includes a freewheeling diode for inductive load protection.  
- TTL/CMOS-compatible inputs simplify interfacing with microcontrollers and logic circuits.  
- High-voltage and high-current capability in a compact package.  
- Internal suppression diodes for transient voltage protection.  
- Common-cathode clamp diodes for inductive kickback protection.  

The ULN2074B is a reliable driver IC widely used in industrial and automotive applications for switching inductive and resistive loads.

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