Integrated Circuit – ULN2003 Darlington Transistor Array, 16 pin

ULN2003 Darlington Transistor Array IC – 16 Pin Driver (DIP)

The ULN2003 is a 16-pin Darlington transistor array designed to drive higher-current loads from low-power logic signals. It allows microcontrollers to safely control devices such as relays, motors, LEDs, and solenoids, making it ideal for control and automation projects.

Key Features

• 7-channel Darlington transistor array
• Drives higher-current loads from logic-level inputs
• Built-in flyback diodes for inductive loads
• Compatible with common microcontrollers
• Compact 16-pin DIP package

What’s Included

• 1 × ULN2003 Darlington Transistor Array IC (16-pin DIP)

Curriculum Links

Australian Curriculum (v9.0):

• ACTDEK042 – Investigate how systems are designed and controlled
• ACTDEP050 – Produce designed solutions

Victorian Curriculum:

• VCDSTS039 – Technologies systems
• VCDSCD041 – Producing designed solutions

NSW (Stage 4–5 Technology Mandatory):

• TE4-2DP – Designs and produces solutions
• TE4-3DP – Safe use of materials and components

Classroom Use / Learning Outcomes

Students will:

• Control motors and relays using microcontrollers
• Understand transistor switching and amplification
• Build driver circuits for higher-current devices
• Explore real-world control systems

Teacher Benefits

• Essential component for control circuits
• Simplifies driving higher-power loads
• Supports a wide range of projects
• Reliable and reusable for classroom kits

Perfect For

• Motor and relay control
• Arduino and microcontroller projects
• Automation systems
• STEM and electronics learning