What is the ULN2003ADR used for?

It is commonly used as a driver for relays, solenoids, lamps, and LED displays, acting as an interface between low-power logic and higher-power loads.

What are the key specifications of the ULN2003ADR?

It supports up to 50V output, 500mA collector current per channel, and is compatible with TTL and 5V CMOS logic.

What should engineers review before using the ULN2003ADR?

Review the power dissipation limits, especially when multiple channels are active simultaneously, and ensure the input voltage levels match the 2.7kΩ base resistor requirements.

What are the sourcing risks for the ULN2003ADR?

The part is currently active and widely available from major distributors, presenting low sourcing risk.

ULN2003ADR Datasheet, Alternatives & Specs | Texas Instruments

AI summary

The ULN2003ADR is a 7-channel Darlington transistor array designed for driving inductive loads like relays and lamps.

Best for

Driving relays
Solenoid control
LED display driving

Avoid if

High-frequency PWM applications
Loads exceeding 500mA per channel

Check before use

Thermal dissipation
Input logic voltage levels

Key specifications

Channels: 7
Max Output Voltage: 50 V
Max Collector Current: 500 mA
Logic Compatibility: TTL, 5V CMOS

Compliance & Environment

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

Application

Industrial ControlPower SwitchingConsumer Electronics

Datasheet

poYBAGGLM5KAeo5oABZIIBbTclo652.pdf

800 KB

Datasheet AI

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Alternative components

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Design and risk insights

Questions & answers

It is a high-voltage, high-current Darlington transistor array containing seven NPN pairs with integrated clamp diodes for inductive load protection.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the ULN2003ADR?+×

What is the ULN2003ADR used for?+×

What are the key specifications of the ULN2003ADR?+×

What should engineers review before using the ULN2003ADR?+×

What are the sourcing risks for the ULN2003ADR?+×