ULN2803ADWR vs ULN2003APWR Array Driver IC: Datasheet
yunying Release time:2024-03-01 Page View:452
The ULN2803ADWR and ULN2003APWR are two popular choices for driving inductive loads such as relays, stepper motors, solenoids, and more. In this article, we will compare these two ICs in terms of key features, performance, and applications.
- ULN2803ADWR vs ULN2003APWR Description
- ULN2803ADWR vs ULN2003APWR CAD-Model
- ULN2803ADWR vs ULN2003APWR Pinout
- ULN2803ADWR vs ULN2003APWR Diagram
- ULN2803ADWR vs ULN2003APWR Simplified block Diagram
- ULN2803ADWR vs ULN2003APWR Typical Application
- ULN2803ADWR vs ULN2003APWR Package
- Comparison
- Specifications
- Datasheets
- Product comparison
ULN2803ADWR vs ULN2003APWR Description

What is ULN2803ADWR
The ULN2803ADWR is an 8-channel Darlington array driver IC designed to handle higher current loads compared to the ULN2003APWR. Here are some key features of the ULN2803ADWR:
- **Channels**: 8 channels to drive multiple loads simultaneously.
- **Darlington Arrays**: Each channel consists of a high-voltage Darlington transistor pair capable of driving high-current loads.
- **Voltage Rating**: Can handle up to 50V output voltage.
- **Continuous Output Current**: 500 mA per channel with a total package current rating of 2.5A.
- **Package Type**: SOIC-18 package for easy PCB mounting.
The ULN2803ADWR is commonly used in applications requiring high-current drive capabilities, such as industrial automation, robotics, and automotive systems.
What is ULN2003APWR
The ULN2003APWR is a 7-channel Darlington array driver IC, offering fewer channels compared to the ULN2803ADWR but still capable of driving moderate to high-current loads. Here are some key features of the ULN2003APWR:
- **Channels**: 7 channels for driving multiple loads.
- **Darlington Arrays**: Each channel features a high-voltage Darlington transistor pair.
- **Voltage Rating**: Can handle up to 50V output voltage.
- **Continuous Output Current**: 500 mA per channel with a total package current rating of 2.5A.
- **Package Type**: PDIP-16 package for through-hole mounting.
The ULN2003APWR is commonly used in applications such as stepper motor control, LED arrays, and relay drivers where moderate to high-current drive capability is required.
ULN2803ADWR vs ULN2003APWR CAD-Model
ULN2803ADWR
Symbol
Footprint
3D-Model
ULN2003APWR
Symbol
Footprint
3D-Model
ULN2803ADWR vs ULN2003APWR Pinout

ULN2803ADWR

ULN2003APWR
ULN2803ADWR vs ULN2003APWR Diagram

ULN2803ADWR

ULN2003APWR
ULN2803ADWR vs ULN2003APWR Simplified block Diagram

ULN2803ADWR

ULN2003APWR
ULN2803ADWR vs ULN2003APWR Typical Application

ULN2803ADWR

ULN2003APWR
ULN2803ADWR vs ULN2003APWR Package
![c4dc94abcb1983ab27973a705fe10d1f.png ZT63`8((Z[FA5S1_RP0~]3T](/upload/image/content/20240305/c4dc94abcb1983ab27973a705fe10d1f.png)
ULN2803ADWR

ULN2003APWR
Comparison
Let's compare the ULN2803ADWR and ULN2003APWR based on their key features:
1. Number of Channels: The ULN2803ADWR offers 8 channels compared to the 7 channels of the ULN2003APWR, providing an additional channel for driving more loads simultaneously.
2. Package Type: The ULN2803ADWR comes in an SOIC-18 package, which is more compact and suitable for surface-mount applications, while the ULN2003APWR is available in a PDIP-16 package for through-hole mounting.
3. Applications: The ULN2803ADWR is preferred for applications requiring higher channel count and high-current drive capabilities, such as in industrial automation systems. The ULN2003APWR, on the other hand, is suitable for applications like stepper motor control and LED arrays where fewer channels are needed.
Related article: ULN2803ADWR: Datasheet, Pinout, Overview
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Specifications
- Manufacturer :
- Texas Instruments
- Product Category :
- Transistors - Bipolar (BJT) - Arrays
- Мощность - макс :
- -
- Напряжение разрыва коллектор-эмиттер (максимум) :
- 50V
- Насыщение Vce (максимум) @ Ib Ic :
- 1.6V @ 500µA, 350mA
- Поставщик устройства и его упаковка :
- 18-SOIC
- Постоянное усиление тока (hFE) (минимум) @ Ic Vce :
- -
- Рабочая температура :
- -40°C ~ 85°C (TA)
- Статус продукта :
- Obsolete
- Тип монтажа :
- Surface Mount
- Тип транзистора :
- 8 NPN Darlington
- Ток - коллектор (Ic) (максимум) :
- 500mA
- Ток - отключение коллектора (максимум) :
- -
- Частота - переход :
- -
Datasheets
- Datasheets
- ULN2803ADWR
Product comparison
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ImagePart NumberManufacturerToleranceVoltage - RatedProduct StatusPackage / CaseProduct CategoryView Compare
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Transistors - Bipolar (BJT) - Arrays
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Discontinued at Digi-Key
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Transistors - Bipolar (BJT) - Arrays
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Active
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Power Distribution Switches, Load Drivers
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Discontinued at Digi-Key
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Power Distribution Switches, Load Drivers
Frequently Asked Questions
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