LH1532FPT

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Solid State Relays

Solid state relays are electrical components that are used to control the flow of electrical current. They are used in a wide range of applications, such as controlling home appliances, industrial equipment, and medical devices. One of the most popular solid-state relays is the LH1532FPT.

Application Field

The LH1532FPT is a superior general purpose solid state relay with a wide range of applications. It is suitable for applications such as household appliances, machine tools, pumps, industrial conveyors, medical equipment, and motor control. It is highly reliable, making it ideal for 24V DC operating circuits, such as logic controllers, microprocessors, and digital signal processors.

Working Principle

The LH1532FPT features a opto-isolated triac and an opto-isolated photodiode for low-noise, high-speed switching. The opto-isolator serves as a safety barrier between the control side and the output side of the relay, which helps to prevent noise, static, and electromagnetic interference from affecting the controlled circuit. The control circuity of the relay works by using opto-isolated drive transistors to activate the triac by switching crystal-controlled oscillation signals.

When current flows through the photodiode, the signal is shut off and the triac deactivates, abruptly, eliminating the possibility of contact arcing. The current can be turned off and on within 1.5 milliseconds, allowing for very fast switching action. Thanks to its fast switching speed, it can handle high inrush currents without overheating, making it suitable for motor control.

The LH1532FPT is highly reliable and efficient, and it does not require any maintenance. It is relatively simple to use and points to the plug-and-play nature of modern electronic components. The relay is highly resistant to shock and vibration and is capable of handling loads up to ten amps, making it ideal for a wide range of applications.

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