What are the primary applications for the ULN2003AIDR?

It is commonly used for driving relays, solenoids, stepper motors, DC brushed motors, and as a buffer for lamps and LED displays.

Does the ULN2003AIDR require external protection for inductive loads?

No, it features integrated common-cathode clamp diodes specifically designed to suppress kick-back voltage from inductive loads.

What logic levels is the ULN2003AIDR compatible with?

It is designed for direct operation with TTL or 5-V CMOS logic devices, utilizing a 2.7-kΩ series base resistor.

What is the sourcing status of the ULN2003AIDR?

The device is currently active and widely available, with a standard industrial temperature rating of -40°C to 105°C.

What is the pinout of ULN2003AIDR?

Use the ULN2003AIDR datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about ULN2003AIDR pinout to locate pins, power rails, and interface signals before layout.

ULN2003AIDR Datasheet, Specs, Alternatives & ECAD | Texas Instruments

AI summary

The ULN2003AIDR is a robust 7-channel Darlington transistor array ideal for driving inductive loads like relays and motors from low-power logic signals.

Best for

Relay driving
Solenoid control
Stepper motor interfacing

Avoid if

High-frequency switching applications (propagation delay is in the microsecond range)

Check before use

Thermal dissipation limits when multiple channels are active simultaneously

Key specifications

Channels: 7
Max Collector Current: 500 mA
Max Output Voltage: 50 V
Temp Range: -40°C to 105°C

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: -
MSL: Level-1-260C-UNLIM
ECCN: EAR99
HTSUS: 8542.39.0001

Application

Industrial AutomationMotor ControlPower Switching

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for ULN2003AIDR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

Get Files

PCB Footprint

Land pattern for PCB layout

Get Files

3D Model

STEP file for mechanical design

Get Files

KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

Generate library

Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a high-voltage, high-current Darlington transistor array containing seven NPN pairs, designed to interface low-level logic with higher-power loads.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the ULN2003AIDR?+×

What are the primary applications for the ULN2003AIDR?+×

Does the ULN2003AIDR require external protection for inductive loads?+×

What logic levels is the ULN2003AIDR compatible with?+×

What is the sourcing status of the ULN2003AIDR?+×

What is the pinout of ULN2003AIDR?+×