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ULN2803 Datasheet, PDF

Search Partnumber : Match&Start with "ULN2803" - Total : 81 ( 1/5 Page)
ManufacturerPart #DatasheetDescription
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ON Semiconductor
ULN2803 ONSEMI-ULN2803 Datasheet
85Kb/6P
   OCTAL PERIPHERAL DRIVER ARRAYS
REV 1
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Unisonic Technologies
ULN2803 UTC-ULN2803 Datasheet
218Kb/7P
   EIGHT DARLINGTON ARRAYS
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First Components Intern...
ULN2803 FCI-ULN2803 Datasheet
235Kb/5P
   High-Voltage,High-Current Darlington Arrays
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Tiger Electronic Co.,Lt...
ULN2803 TGS-ULN2803 Datasheet
689Kb/6P
   Octal High Voltage,High Current Darlington Transistor Arrays
logo
Unisonic Technologies
ULN2803 UTC-ULN2803 Datasheet
208Kb/6P
   EIGHT DARLINGTON ARRAYS
ULN2803 UTC-ULN2803 Datasheet
301Kb/6P
   EIGHT DARLINGTON ARRAYS
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ARTSCHIP ELECTRONICS CO...
ULN2803 ARTSCHIP-ULN2803 Datasheet
343Kb/8P
   8CH DARLINGTON SINK DRIVER
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Guangdong Youtai Semico...
ULN2803 UMW-ULN2803 Datasheet
289Kb/6P
   Darlington array power driver integrated circuit
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EVER SEMICONDUCTOR CO.,...
ULN2803 EVVOSEMI-ULN2803 Datasheet
526Kb/6P
   DARLINGTON ARRAY DRIVER IC
Rev:2023A2
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Unisonic Technologies
ULN2803-D18-T UTC-ULN2803-D18-T Datasheet
208Kb/6P
   EIGHT DARLINGTON ARRAYS
ULN2803-S18-R UTC-ULN2803-S18-R Datasheet
208Kb/6P
   EIGHT DARLINGTON ARRAYS
ULN2803-S18-T UTC-ULN2803-S18-T Datasheet
208Kb/6P
   EIGHT DARLINGTON ARRAYS
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ON Semiconductor
ULN2803A ONSEMI-ULN2803A Datasheet
85Kb/6P
   OCTAL PERIPHERAL DRIVER ARRAYS
REV 1
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Allegro MicroSystems
ULN2803A ALLEGRO-ULN2803A Datasheet
166Kb/10P
   HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
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Texas Instruments
ULN2803A TI-ULN2803A Datasheet
240Kb/10P
[Old version datasheet]   DARLINGTON TRANSISTOR ARRAY
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Allegro MicroSystems
ULN2803A ALLEGRO-ULN2803A Datasheet
272Kb/11P
   High Voltage High Current Darlington Arrays
October 28, 2005
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Texas Instruments
ULN2803A TI-ULN2803A Datasheet
353Kb/11P
[Old version datasheet]   DARLINGTON TRANSISTOR ARRAY
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Toshiba Semiconductor
ULN2803A TOSHIBA-ULN2803A Datasheet
460Kb/12P
   8ch Darlington Sink Driver
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Texas Instruments
ULN2803A TI-ULN2803A Datasheet
436Kb/12P
[Old version datasheet]   DARLINGTON TRANSISTOR ARRAY
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STMicroelectronics
ULN2803A STMICROELECTRONICS-ULN2803A Datasheet
267Kb/14P
   Eight Darlington array

12 3 4 5


12 3 4 5






Brief Description of ULN2803


The ULN2803 is a high-voltage, high-current Darlington transistor array. It is commonly used as a driver for inductive loads such as relays, motors, and other solenoid-driven devices in various electronic applications. Here are some key features and specifications of the ULN2803:

Number of Channels:

The ULN2803 typically consists of eight Darlington pairs, allowing it to control up to eight separate loads.
Darlington Pair:

Each channel in the ULN2803 contains a Darlington pair configuration, which is a cascaded pair of bipolar transistors that provide high current gain.
Maximum Output Voltage:

The ULN2803 is designed to handle higher output voltages, often up to 50V.
Maximum Continuous Output Current:

Each Darlington pair can handle a continuous output current of up to 500mA, and the overall package can handle higher currents when multiple channels are used in parallel.
Clamping Diodes:

The ULN2803 includes clamping diodes to protect against voltage spikes (back-EMF) generated by inductive loads.
Input Compatibility:

The IC is designed to work with standard TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) input levels.
Applications:

Driving relays, stepper motors, solenoids, and other high-current, high-voltage loads in various electronic systems.
Common Connection:

The ULN2803 often has a common connection for each channel, simplifying the wiring for loads that share a common connection.
Open-Collector Outputs:

The outputs are open-collector, allowing flexibility in connecting external loads.
Package:

Available in different packages, such as DIP (Dual Inline Package) and SOP (Small Outline Package).
Voltage Compatibility:

Compatible with a wide range of input and output voltages, making it suitable for interfacing with different logic families and loads.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.

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