APT1221SX

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

Optoisolators are important components in various electronic systems, including those that require an isolation between different circuits with different levels of voltage. The most common optoisolator device is the triac optoisolator, which consists of two components: a semiconductor triac and a light-emitting diode (LED). These components are connected together, and each of them has a specific role in the device. The APT1221SX is an optoisolator specifically designed for controlling AC loads.

The APT1221SX is a Triac, SCR Output optoisolator with a maximum current capability of 400 mA. It is designed to control an AC load from an input signal of 4 V AC to 32 V AC, or from an input signal of 4 V DC to 32 V DC. The APT1221SX has an isolation voltage rating of 5,000 V AC, and the operating temperature can range from -40° C to +85° C. The APT1221SX is also designed in such a way that it has a high common-mode transient immunity (CMTI) of 50 V/μs.

The APT1221SX has a variety of application areas. It is commonly used in controlling inductive loads, such as solenoids and motors, as well as home and building appliances. It can also be used for controlling AC load in a variety of medical equipment, as well as industrial power supplies or controlling inductive loads in transportation systems. The APT1221SX is also used in consumer products, specifically in white goods, HVAC systems, alarms, and lighting systems.

The APT1221SX uses a working principle that combines optical and electrical controls. The device has a triac, an optocoupler with a light-emitting diode (LED), optical and electrical isolation, and a heat sink. The LED transmits an optical signal to the triac, which acts as an electrical switch. When the LED is illuminated, the triac is activated, which energizes the load. The heat sink improves the efficiency of the device and prevents overheating.

The APT1221SX offers several features such as short circuit protection, surge current immunity, and high temperature capability. The short circuit protection ensures the device is protected against overload, and the surge current immunity prevents damage from operating in harsh environments. The APT1221SX also has a high operating temperature capability of up to +85° C, which allows it to be used in off-grid environments. Additionally, the device has an excellent CMTI rating of 50 V/μs.

The APT1221SX from AVX is an excellent example of a Triac, SCR Output optoisolator. Its high current capability, short circuit protection, surge current immunity, high temperature capability and excellent CMTI rating make it a reliable device for a variety of applications. Its working principle of combining optical and electrical controls makes it a great choice for controlling AC loads.

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