ULN2004 : SMD/SMT Darlington Transistor Arrays

ULN2004 SMD/SMT 7-Channel Darlington Transistor Array

The ULN2004 is a versatile high-voltage, high-current Darlington transistor array designed for robust interfacing. It bridges the gap between low-level logic circuits and various peripheral power loads. Each of its seven drivers can handle continuous load currents up to 500 mA, making it suitable for demanding applications. With an output voltage capability of up to 95V, it can control significant power loads, such as those totaling over 230W. These arrays feature open-collector outputs with integrated clamp diodes for enhanced protection. The ULN2004A/L variants include series input resistors, allowing direct operation with 5V TTL or CMOS logic. This makes it an excellent choice for interface needs that exceed the capabilities of standard logic buffers.

Specifications:

• Number of Channels: 7
• Output Current (Continuous): 500 mA per channel
• Output Voltage: 95 V (max)
• Input Logic Compatibility: TTL, DTL, PMOS, CMOS
• Output Configuration: Open-collector with integral clamp diodes
• Package Options: DIP, SOIC (SMD/SMT)

Key features and benefits:

• TTL, DTL, PMOS, or CMOS-Compatible Inputs
• Output Current up to 500 mA per driver
• Output Voltage up to 95 V
• Transient-Protected Outputs with integral clamp diodes
• Seven independent Darlington drivers
• Open-collector outputs
• Available in Dual In-Line Plastic (DIP) or Small-Outline IC (SOIC) packages

Applications:

• Driving relays and solenoids
• Controlling stepping motors
• Magnetic print hammers
• Multiplexed LED and incandescent displays
• Heater control

Package Includes:

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