Manufacturer Part Number
ULN2074B
Manufacturer
STMicroelectronics
Introduction
The ULN2074B is a high-voltage, high-current Darlington transistor array that is designed to interface between low-level logic circuitry and high-power loads.
Product Features and Performance
Quad NPN Darlington transistor array
High-voltage, high-current capability
Suitable for driving a variety of loads such as relays, solenoids, and LED displays
Capable of handling up to 1.75A of collector current per transistor
Breakdown voltage of up to 50V between collector and emitter
Product Advantages
Compact 16-pin DIP package design
High efficiency due to low saturation voltage
Suitable for a wide range of operating temperatures (-20°C to 85°C)
Robust and reliable performance
Key Technical Parameters
Power Dissipation: 1W
Collector-Emitter Breakdown Voltage: 50V
Collector Current (Max): 1.75A
Collector-Emitter Saturation Voltage: 1.4V @ 2mA, 1.25A
Quality and Safety Features
RoHS3 compliant
Suitable for through-hole mounting
Compatibility
The ULN2074B is compatible with a wide range of low-level logic circuits and can be used to drive a variety of high-power loads.
Application Areas
Driving relays, solenoids, LED displays, and other high-power loads
Industrial automation and control systems
Automotive electronics
Appliance control circuits
Product Lifecycle
The ULN2074B is an active and widely available product. There are no immediate plans for discontinuation, and replacement or upgrade options are readily available from the manufacturer.
Key Reasons to Choose the ULN2074B
Robust and reliable performance in high-power, high-voltage applications
Compact and easy-to-use package design
Wide operating temperature range and RoHS compliance
Proven track record and widespread compatibility with various load types
Availability of replacement and upgrade options from the manufacturer
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