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Shortcut   ULN2003(368) recommended result.
Match, Like  ULN2003(9) ULN2003A(26) ULN2003B(1) ULN2003D(3) ULN2003G(1) ULN2003L(4) ULN2003R(1)
Start with  ULN2003*(353) ULN2003-*(1) ULN2003A*(276) ULN2003B*(3) ULN2003D*(3) ULN2003F*(4) ULN2003G*(9) ULN2003L*(10) ULN2003R*(1) ULN2003V*(10)
End  *CULN2003(1)
Included  *ULN2003*(2) *ULN2003A*(1)
Manufacturer


ULN2003 Datasheet, PDF

Search Partnumber : Match&Start with "ULN2003" - Total : 365 ( 1/19 Page)
ManufacturerPart #DatasheetDescription
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STMicroelectronics
ULN2003 STMICROELECTRONICS-ULN2003 Datasheet
326Kb/8P
SEVEN DARLINGTON ARRAYS
ULN2003 STMICROELECTRONICS-ULN2003 Datasheet
930Kb/16P
Seven Darlington array
ULN2003 STMICROELECTRONICS-ULN2003 Datasheet
930Kb/16P
Seven Darlington array
logo
First Components Intern...
ULN2003 FCI-ULN2003 Datasheet
268Kb/5P
High-Voltage, High - Current Darlington Arrays
logo
Tiger Electronic Co.,Lt...
ULN2003 TGS-ULN2003 Datasheet
671Kb/7P
SEVEN DARLINGTON ARRAYS
logo
Unisonic Technologies
ULN2003 UTC-ULN2003 Datasheet
328Kb/10P
7CH DARLINGTON SINK DRIVER
ULN2003 UTC-ULN2003 Datasheet
492Kb/10P
7CH DARLINGTON SINK DRIVER
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ARTSCHIP ELECTRONICS CO...
ULN2003 ARTSCHIP-ULN2003 Datasheet
457Kb/11P
7CH DARLINGTON SINK DRIVER
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List of Unclassifed Man...
ULN2003 ETC1-ULN2003 Datasheet
749Kb/8P
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
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SYC Electronica
ULN2003-4 SYC-ULN2003-4 Datasheet
358Kb/7P
SEVEN DARLINGTON ARRAYS
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Texas Instruments
ULN2003A TI1-ULN2003A Datasheet
1Mb/41P
ULN200x, ULQ200x High-Voltage, High-Current Darlington Transistor Arrays
JUNE 2024
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STMicroelectronics
ULN2003A STMICROELECTRONICS-ULN2003A Datasheet
326Kb/8P
SEVEN DARLINGTON ARRAYS
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ON Semiconductor
ULN2003A ONSEMI-ULN2003A Datasheet
82Kb/5P
High Voltage, High Current Darlington Transistor Arrays
November, 2007 - Rev. 0
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Texas Instruments
ULN2003A TI1-ULN2003A Datasheet
1Mb/41P
ULN200x, ULQ200x High-Voltage, High-Current Darlington Transistor Arrays
REVISED JUNE 2024
ULN2003A TI-ULN2003A Datasheet
513Kb/19P
HIGH-VOLTAGE HIGH-CURRENT DARLINGTON TRANSISTOR ARRAY
ULN2003A TI-ULN2003A Datasheet
859Kb/26P
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON TRANSISTOR ARRAYS
ULN2003A TI-ULN2003A Datasheet
1Mb/42P
ULN200x, ULQ200x High-Voltage, High-Current Darlington Transistor Arrays
JUNE 2024
logo
STMicroelectronics
ULN2003A STMICROELECTRONICS-ULN2003A Datasheet
930Kb/16P
Seven Darlington array
ULN2003A STMICROELECTRONICS-ULN2003A Datasheet
240Kb/8P
SEVEN DARLINGTON ARRAYS
February 2002
ULN2003A STMICROELECTRONICS-ULN2003A Datasheet
930Kb/16P
Seven Darlington array

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ULN2003 Datasheet, PDF [Distributor]

DistributorPart # Manufacturer
Datasheet
DescriptionBuy Now
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Element14
ULN2003A

part
STMICROELECTRONICS

DARLINGTON ARRAY 7NPN, 2003, DIP16; Transistor Polarity:NPN; Collector Emitter Voltage V(br)ceo:50V;...
ULN2003TTR

part
STMICROELECTRONICS

BIPOLAR ARRAY, NPN, 50V, 0.5A, TSSOP;

ULN2003 Distributor

DistributorPart #ManufacturerDescriptionPriceQty.
BuyNow



Brief Description of ULN2003


The ULN2003 is a popular and widely used Darlington transistor array IC (integrated circuit). It contains seven Darlington pairs, making it ideal for driving a variety of inductive, capacitive, and resistive loads, such as relays, solenoids, stepper motors, and LEDs. Here are some key features and specifications of the ULN2003 IC:

Darlington Pairs: The ULN2003 contains seven Darlington transistor pairs. Each pair consists of two transistors: a NPN and a PNP transistor. The Darlington configuration provides high current gain and allows the ULN2003 to switch high current loads with relatively low input current.

Input and Output: The ULN2003 has seven input pins (IN1 to IN7) and seven corresponding output pins (OUT1 to OUT7), one for each Darlington pair.

Input Current: The input pins require very little current (typically around 1.5mA) to activate the corresponding output transistors.

Clamp Diodes: Each output of the ULN2003 has an internal suppression diode (flyback diode or clamp diode) that helps protect against voltage spikes when driving inductive loads like relays and solenoids.

Maximum Collector Current: The ULN2003 can handle a significant amount of collector current for each channel, typically in the range of 500mA to 600mA per channel.

Voltage Rating: The IC is designed to handle a wide range of input and output voltages, typically up to 50V or more, depending on the specific model and manufacturer.

Package: The ULN2003 is available in different packages, such as DIP (Dual In-Line Package) and SOP (Small Outline Package), which makes it suitable for various applications.

Application: The ULN2003 is commonly used to drive various loads in electronic circuits, particularly in applications where you need to control multiple high-current loads using low-level logic signals from microcontrollers or digital logic circuits.

Equivalent for ULN2003


The ULN2003 is a popular Darlington transistor array typically used for driving relays, motors, LEDs, and other high-current devices. When looking for replacements, consider the following options:

Direct Replacements:
ULN2803:

Similar to ULN2003 but with 8 channels instead of 7.
Pin-compatible when the additional channel is not used.
Can handle similar current and voltage ratings.
TD62003AP:

Toshiba’s equivalent of ULN2003.
Pin-compatible with identical specifications.
ULN2004:

Designed for higher input voltage logic (10-15V) but otherwise interchangeable.
Suitable if your circuit uses higher input voltage levels.
Low-Power Alternatives:
TPIC6B595:

Combines an 8-bit shift register with high-current outputs.
Suitable for serially controlled applications.
Can drive similar loads as ULN2003.
MIC5891:

High-current shift register with built-in drivers.
Can replace ULN2003 in serial control applications.
MOSFET-Based Alternatives:
If you need more efficient switching or lower heat dissipation:

IRF9540/IRF540 MOSFETs:

Discrete MOSFETs can be used if you’re designing a custom driver circuit.
Offer higher efficiency compared to Darlington transistors.
DRV8871:

Integrated motor driver IC for higher efficiency.
Ideal for motor control applications as a replacement.
Considerations for Choosing a Replacement:
Current Capacity: Ensure the replacement can handle your load’s current requirements (ULN2003 handles up to 500mA per channel).
Voltage Compatibility: Verify the voltage ratings of the replacement device match your circuit needs (ULN2003 supports up to 50V).
Pin Compatibility: For a direct swap, ensure the replacement has the same pin configuration.
For a direct replacement, ULN2803 or TD62003AP are the best options. For enhanced features or efficiency, TPIC6B595 or MOSFET-based solutions can be considered, depending on your specific application.

*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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