A Premier B2B Part Search
STMICROELECTRONICS ULN2074B High-Voltage Darlington Switch
The ULN2074B is a high-current Darlington switch array designed for interfacing logic signals to high voltage, high current loads. It features four isolated Darlington pairs capable of delivering up to 1.5 A each with a minimum breakdown voltage of 50 V and a sustaining voltage of at least 35 V. The device includes integral suppression diodes for inductive loads and is compatible with popular 5 V logic families. Its PowerDIP-16 package ensures ease of mounting, making it suitable for applications like emitter follower configurations in industrial automation and power switching.
STMICROELECTRONICS ULN2074B High-Voltage Darlington Switch Specifications:
- Maximum output voltage: 50 V
- Output current per channel: 1.5 A
- Input voltage (ULN2066B, ULN2074B): up to 30 V
- Input voltage (ULN2064B, ULN2068B): up to 15 V
- Supply voltage for ULN2068B: 10 V
- Power dissipation at 90°C: 43 W
- Operating temperature range: -20°C to 85°C
- Storage temperature: -55°C to 150°C
- Package: PowerDIP-16
- Includes integral suppression diodes for inductive loads
- Compatible with 5 V and 6-15 V logic levels
- Features isolated Darlington pinout for ULN2074B
- Sustaining voltage: at least 35 V
- Maximum collector-emitter saturation voltage: approximately 1.2 V at 750 mA
- Input current (typical): 0.6 to 1.8 mA depending on input voltage
- Turn-on delay: approximately 1 μs
- Maximum input voltage: 30 V (ULN2066B, ULN2074B), 15 V (ULN2064B, ULN2068B)
Buy the ST Series High-Voltage Driver: ULN2074B
Purchase the high-performance ULN2074B today online and enhance your power control solutions. Designed for high-current loads, this Darlington switch offers reliable operation, superior suppression diodes, and compatible inputs for various logic levels. The PowerDIP-16 package ensures easy installation in industrial automation, emitter follower configurations, and power switching applications. Whether for high-voltage relays, motor control, or LED driving, this device provides durability, efficiency, and seamless integration with essential protection features. Order now for dependable high-voltage control!
Get ST Series ULN2074B today—built for high-voltage switching and reliable power management.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS ULN2074B?
You can click on the BUY or RFQ button to purchase ULN2074B from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part ULN2074B?
You can download the ULN2074B datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of ULN2074B?
STMICROELECTRONICS