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STMicroelectronics Darlington Transistor 4 Elements NPN, 1.5 A, 50 V, 16-Pin PDIP ULN2074B
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 5.1mm |
| Length | 20mm |
| Model | ULN2074B |
| Mount Type | Through Hole |
| Series | ULN2074B |
| Maximum Operating Temperature | 85°C |
| Package Type | PDIP |
| Minimum Operating Temperature | -20°C |
| Pin Count | 16 |
| Maximum Continuous Collector Current Ic | 1.5A |
| Maximum Collector Emitter Voltage Vceo | 50V |
| Number of Elements per Chip | 4 |
| Transistor Polarity | NPN |
| Maximum Collector Emitter Saturation Voltage VceSAT | 1.4V |
| Maximum Power Dissipation Pd | 4.3W |
Key Features
- High-voltage, high-current switch array with integral suppression diodes for inductive loads.
- Maximum continuous collector current of 1.5 A per channel.
- Maximum collector-emitter voltage of 50 V ensuring robust operation.
- 16-pin through-hole PDIP package for easy circuit board mounting.
- Standard logic level interface compatible with TTL and CMOS.
- Maximum power dissipation of 4.3 W for reliable performance.
- Operating temperature range from -20°C to 85°C for varied environments.
- NPN transistor polarity with a collector saturation voltage of 1.4 V.
Product Description
STMicroelectronics ULN2074B is a highly efficient Darlington transistor array designed for use in electronic power and switching applications. It integrates four NPN Darlington transistor pairs in a 16-pin PDIP package, providing a robust solution for driving high-current loads up to 1.5 A and up to 50 V collector-emitter voltage. The device is equipped with integral suppression diodes for protecting against inductive load switching, making it ideal for industrial, laboratory, and manufacturing automation tasks.
The transistors operate with a standard logic level interface, supporting TTL or CMOS signals, simplifying integration with digital controllers and microprocessors. The maximum power dissipation is 4.3 W, ensuring durability under load conditions. The product is suitable for various industrial electronics applications, including relay drivers, solenoid drivers, and lamp drivers.
The 16-pin PDIP package supports through-hole mounting, helping designers easily assemble the component into printed circuit boards. Designed by STMicroelectronics, the ULN2074B transistor array meets industry standards for reliable operation within the temperature range of -20°C to 85°C.
High-voltage, high-current transistor switching array with 4 Darlington pairs. Integral suppression diodes for inductive load protection. Collector current capacity of 1.5 A per channel. Collector-emitter voltage rating of 50 V.
Standard logic level inputs compatible with TTL, CMOS. Maximum power dissipation of 4.3 W for stable performance. Operation range: -20°C to 85°C ambient temperature. 16-pin PDIP through-hole package for reliable mounting.
Ideal for industrial automation, electronic driving, and control applications.
This STMicroelectronics ULN2074B Darlington Transistor array is a preferred choice for engineers requiring multiple transistor drivers in compact form, especially in automation, automotive controls, and power management systems. Explore similar Darlington Transistor arrays and semiconductor components at EnvMart for your electronic design projects.
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