ULN2003ANSRE4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The ULN2003ANSR4 is a series of high-voltage, high-current Darlington transistor array ICs. It has seven NPN Darlington pairs that feature integrated suppression diodes for inductive loads. This device can be used as a line driver, relay driver, logic buffer and power interface in various applications. It is designed to replace multiple single transistors, reducing assembly costs and providing higher current gain.

The ULN2003ANSR4 operates at 50V and offers low current consumption, making it ideal for applications where power conservation is important. It is rated for a continuous peak forward current of 500mA and a maximum voltage range of 50VDC. The device is also equipped with a thermal shutdown protection circuit which allows it to safely operate at up to 250mA without having to worry about thermal stress.

The ULN2003ANSR4 features an open-collector output with a wide operating temperature range of -35°C to 85°C. This allows it to be used in harsh environmental conditions where temperature extremes are common. The device is available in either a dual-in-line package or a surface mount package to suit different applications.

An important feature of the ULN2003ANSR4 is its protection circuitry which helps to protect the device from over-voltage, over-temperature and short circuit conditions. The integrated suppression diodes can handle peak outputs of up to 80V, enabling reliable operation in automotive applications. The device also meets JESD 22-A112 standards, ensuring reliability and durability.

The ULN2003ANSR4 can be used in a variety of applications such as relay driving, line drivers, logic buffers, power interfaces, and more. It is especially suitable for powering AC loads, thanks to the integrated suppression diodes which help to protect the device from inductive surges and spikes. The device is also used for LED driving, and for controlling small motors.

The ULN2003ANSR4 works using the same principles as that of a Darlington pair. It is a transistor array consisting of seven NPN Darlington pairs, each of which has its own base, emitter and collector terminals. When a voltage is applied to the base of a pair, a current is generated which flows through the emitter and collector terminals, allowing current to flow between them. This transistor action is used to operate loads connected to its output.

In conclusion, the ULN2003ANSR4 is a versatile high-voltage and high-current Darlington transistor array IC. It is ideal for applications where low current consumption and high current gain are required. It features an open-collector output and integrated suppression diodes, along with various protection features making it suitable for a wide range of automotive and industrial applications.

The specific data is subject to PDF, and the above content is for reference