ULN2803 8 Darlington Transistor Arrays IC DIP-18 Package

Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.

Product Overview

The ULN2803 is a high-performance 8-channel Darlington transistor array IC in DIP-18 package. Ideal for driving high-current loads such as relays, solenoids, stepper motors, and LED arrays from low-power logic circuits. Each channel features integrated base resistors and suppression diodes for reliable operation.

Key Specifications

Parameter	Details
Type	Darlington Transistor Array
Channels	8 Independent Channels
Package	DIP-18 (Dual In-line)
Max Collector Current	500 mA per channel
Max Collector-Emitter Voltage	50V
Input Logic Level	TTL/CMOS Compatible
Built-in Features	Base Resistors & Suppression Diodes
Origin	Original/Authentic
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7

Why Choose ULN2803?

100% Authentic - Sourced from trusted authorized distributors

Fast Shipping - 1-5 days from Bengaluru warehouse, delivered in 7-8 days

High Current Capability - Drive relays and motors easily

Integrated Protection - Built-in diodes prevent back-EMF damage

Expert Support - Technical guidance available round-the-clock

Cost-Effective - Reduces component count in designs

Technical Highlights

• 8 Independent Channels - Control 8 devices simultaneously
• TTL/CMOS Compatible Inputs - Direct connection to microcontrollers
• Low Saturation Voltage - Efficient power transfer
• Suppression Diodes - Safe for inductive loads
• Wide Operating Temperature - -40 degreesC to +125 degreesC

Project Applications

DIY & Hobbyist Projects

• Arduino/Raspberry Pi relay control modules
• LED matrix drivers
• Robotics and automation prototypes
• Home automation circuits

Professional & Industrial Use

• Industrial relay drivers
• Motor control circuits
• Solenoid valve drivers
• PLC output modules

Educational & Learning

• Microcontroller interfacing courses
• Electronics lab experiments
• Power electronics training
• Embedded systems projects

What's Included

• 1x ULN2803 DIP-18 IC
• Detailed datasheet and pin configuration
• Technical support documentation
• Quick reference guide

Pin Configuration

Pin	Function
Pins 1-8	Input Channels (Base)
Pins 10-17	Output Channels (Collector)
Pin 9	Ground (GND)
Pin 18	Common Emitter

Frequently Asked Questions

Is this 100% authentic?

Yes, absolutely. All ULN2803 ICs are sourced from authorized distributors with complete authentication verification and traceability certificates.

What warranty coverage is provided?

Full 7-day warranty on manufacturing defects covering manufacturing defects, component failure, and performance issues. Replacement or refund available.

How fast can I receive this?

1-5 business days shipping to most locations in India from our Bengaluru warehouse. Express options available for urgent orders.

Can I use this with Arduino/Raspberry Pi?

Yes, the ULN2803 is fully compatible with Arduino, Raspberry Pi, and other microcontroller platforms. We provide connection diagrams and sample code.

What support is available?

Complete technical support via email and WhatsApp 24/7. Our engineers can help with circuit design, troubleshooting, and application guidance.

What is your return policy?

7-day money-back guarantee on defective items. Full refund or replacement available with applicable on manufacturing defects only.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10+ units. Contact our sales team for custom quotes and volume discounts.

Can this drive stepper motors?

Yes, the ULN2803 is commonly used for stepper motor control. Each channel can handle up to 500mA, suitable for NEMA 17 and smaller motors.

Is technical documentation provided?

Complete datasheets, application notes, and sample circuits included. Additional resources available on request.

Order your ULN2803 today and get expert support included! Perfect for students, hobbyists, and professionals. Fast shipping, authentic quality, guaranteed satisfaction.

Buy ULN2803 8 Darlington Transistor Arrays IC DIP-18 Package Online in India

Purchase the ULN2803 8 Darlington Transistor Arrays IC DIP-18 Package online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on ULN2803 8 Darlington Transistor Arrays IC DIP-18 Package with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy ULN2803 8 Darlington Transistor Arrays IC DIP-18 Package at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.