• ULN2003AIDR SOIC-16
ULN2003AIDR SOIC-16

ULN2003AIDR

Darlington Transistors

Quantity Unit Price(USD) Ext. Price
5 $0.173 $0.86
50 $0.141 $7.05
150 $0.127 $19.05
500 $0.110 $55.00
2500 $0.089 $222.50
5000 $0.085 $425.00

Inventory:4,670

*The price is for reference only.
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Submit your quote request for ULN2003AIDR using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of ULN2003AIDR

The ULN2003AIDR is a high-voltage, high-current Darlington transistor array IC designed for interfacing between low-level logic and high-power loads. It features seven Darlington pairs with common emitters, making it ideal for driving a wide range of inductive, capacitive, or resistive loads.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • COM: Common connection for all seven Darlington pairs
  • IN1: Input for Darlington Pair 1
  • IN2: Input for Darlington Pair 2
  • IN3: Input for Darlington Pair 3
  • IN4: Input for Darlington Pair 4
  • IN5: Input for Darlington Pair 5
  • IN6: Input for Darlington Pair 6
  • IN7: Input for Darlington Pair 7
  • OUT1: Output for Darlington Pair 1
  • OUT2: Output for Darlington Pair 2
  • OUT3: Output for Darlington Pair 3
  • OUT4: Output for Darlington Pair 4
  • OUT5: Output for Darlington Pair 5
  • OUT6: Output for Darlington Pair 6
  • OUT7: Output for Darlington Pair 7

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ULN2003AIDR IC for a visual representation.

Key Features

  • High-Voltage and High-Current Capability: The ULN2003AIDR can handle high voltages and currents, making it suitable for driving motors, relays, and other heavy loads.
  • Darlington Pair Configuration: The Darlington pairs provide high current gain and saturation voltage, ensuring efficient operation.
  • Overcurrent Protection: Built-in diodes offer protection against back EMF generated by inductive loads.
  • Common COM Connection: The common emitter connection simplifies wiring and control of multiple loads.

Note: For detailed technical specifications, please refer to the ULN2003AIDR datasheet.

Application

  • Motor Driving: Ideal for driving stepper motors, DC motors, and other high-power motor applications.
  • Relay Control: Suitable for controlling relay modules and other electromechanical switches.
  • Lamp and LED Driving: Used in applications where high-current switching of lamps or LEDs is required.

Functionality

The ULN2003AIDR provides high-power switching capabilities through its Darlington transistor array, enabling efficient and reliable control of various loads in electronics and automation systems.

Usage Guide

  • Input Connection: Connect the input pins (IN1 to IN7) to the low-level logic signals.
  • Output Handling: Connect the outputs (OUT1 to OUT7) to the loads, ensuring correct polarity.
  • Power Supply: Provide the necessary power supply voltage and ground connections for the IC to function correctly.

Frequently Asked Questions

Q: Can I directly drive a motor using the ULN2003AIDR?
A: Yes, the ULN2003AIDR is designed to handle high-current loads such as motors. Ensure proper heat sinking for continuous operation.

Q: How does the ULN2003AIDR protect against back EMF?
A: The built-in diodes in the ULN2003AIDR provide a path for the back EMF generated by inductive loads, protecting the IC and the driving circuit.

Equivalent

For similar functionalities, consider these alternatives to the ULN2003AIDR:

  • ULN2803AG: A high-voltage, high-current Darlington array IC with similar features to the ULN2003AIDR but offering enhanced performance for specific applications.
  • MC1413PG: This Darlington transistor array IC from ON Semiconductor provides comparable high-power driving capabilities and reliability.

ULN2003AIDR

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Drivers per package 7 Switching voltage (max) (V) 50
Output voltage (max) (V) 50 Peak output current (A) 0.5
Delay time (typ) (ns) 250 Input compatibility CMOS, TTL
Vol at lowest spec current (typ) (mV) 900 Iout/ch (max) (mA) 500
Iout_off (typ) (µA) 50 Rating Catalog
Operating temperature range (°C) -40 to 105 FET Internal
Imax (A) 0.5 Device type Low-side switches
Function Automotive load dump compatibility, Inductive load compatibility

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package ?

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment ?

    For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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ULN2003AIDR

Darlington Transistors

Inventory:

4,670
Overview of ULN2003AIDR Specifications Warranty & Returns Similar Products Popular Products

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After Sales Service

What after-sales service can be provided?

We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:

·Initiate the request within 90 days after the item's shipment date.

·Coordinate the return or exchange with our team.

·Keep the items in their original condition as delivered.

·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.

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Package

How to ensure that the parts will be intact during transportation?

The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.

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