ULN2068B: Features, Specs & More
The STMicroelectronics ULN2068B is a high-performance quad NPN Darlington transistor designed for power control applications. It combines reliability with efficiency, making it suitable for industrial and electronic designs. In this comprehensive article, we'll delve into the intricacies of the ULN2068B, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
ULN2068B's Overview
The ULN2068B is a Trans Darlington NPN transistor with four elements per chip arranged in a common emitter configuration. Each transistor can handle a maximum collector-emitter voltage of 50V and a collector current of 1.75A. It is optimized for industrial applications, providing consistent performance across a temperature range of -20°C to 85°C.
Key Features
Let's delve into the standout features that make the ULN2068B a standout in the world of electronics:
· The ULN2068B has a maximum collector-emitter voltage of 50V, ensuring it can handle high-voltage circuits safely.
· It supports a maximum continuous collector current of 1.75A, which allows it to drive substantial loads without overheating.
· The component can dissipate up to 4300mW of power, making it suitable for power-intensive applications.
· The maximum collector-emitter saturation voltage varies depending on load, offering efficiency across multiple current levels.
· Its industrial temperature grade allows operation from -20°C to 85°C, ensuring reliable performance in harsh environments.
· The 16-pin Power PDIP package provides through-hole mounting for easy PCB integration.
· It features quad common-emitter configuration, making it ideal for multiple load control in a single chip.
Specifications
Now, let's take a closer look at the technical specifications that define the capabilities of the ULN2068B:
Type | Parameter |
Type | NPN |
Configuration | Quad Common Emitter |
Number of Elements per Chip | 4 |
Maximum Collector-Emitter Voltage (V) | 50 |
Maximum Emitter Base Voltage (V) | 15 |
Maximum Continuous DC Collector Current (A) | 1.75 |
Maximum Collector-Emitter Saturation Voltage (V) | 1.1@625uA@500mA|1.2@935uA@750mA|1.3@1.25mA@1A|1.4@2mA@1.25A |
Maximum Power Dissipation (mW) | 4300 |
Minimum Operating Temperature (°C) | -20 |
Maximum Operating Temperature (°C) | 85 |
Packaging | Tube |
Supplier Temperature Grade | Industrial |
Mounting | Through Hole |
Package Height | 5.1(Max) - 0.51(Min) |
Package Width | 7.1(Max) |
Package Length | 20(Max) |
PCB changed | 16 |
Standard Package Name | DIP |
Supplier Package | Power PDIP |
Pin Count | 16 |
Lead Shape | Through Hole |
Applications
The ULN2068B is widely used in electronics where high-current switching is required. Common applications include:
· Driving relays and solenoids in automation circuits.
· Controlling LED arrays and display modules.
· Operating motors and stepper motors in industrial machinery.
· Integration in power control circuits for robotics and instrumentation.
ULN2068B's Manufacturer
STMicroelectronics, often abbreviated as ST, is a global semiconductor manufacturer with a long-standing reputation for producing innovative and high-quality electronic components. With headquarters in eneva, Switzerland, and a strong international presence, STMicroelectronics is a leading player in the semiconductor industry. They specialize in designing and manufacturing a wide range of semiconductor devices, including microcontrollers, sensors, power management solutions, and more. STMicroelectronics is trusted by industries worldwide, including automotive, consumer electronics, industrial, and telecommunications, for their cutting-edge technology and commitment to advancing the field of electronics.
Conclusion
The ULN2068B Trans Darlington NPN is a versatile and robust component for engineers seeking high-power switching solutions. Its combination of high current capability, thermal stability, and industrial-grade packaging makes it a top choice for various electronics projects. Whether you are designing control circuits, LED drivers, or motor controllers, this 16-pin Power PDIP array provides dependable performance in demanding conditions.
