HSR412L

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HSR412L belongs to the category of Solid State Relays. It is a type of transistor switch that switches a large current or high voltage with a small current or low voltage after receiving an input signal. It can achieve the purpose of connecting or interrupting the load electrical-circuit control, no matter it is AC or DC. It is widely used in control systems that require high precision, low power loss, long service life, and wide temperature range.

The operating principle of HSR412L is a basic light emitting diode (LED) opto-isolated input circuitry. A semiconductor diode is received from an external light-emitting diode by a photocoupler, as the former generates an electrical output signal when illuminated. This signal is response on/off from the photocoupler output circuit, a power MOSFET switch is enabled through deriving an appropriate power source from the output port of the opto-isolator. The current flowing through the load is then turned on or off according to the input signal.

HSR412L is an electronic switching device, which can be applied to a large array of different applications. For example, it can switch a motor on/off or controlling heaters in refrigerators in household appliances, as well as more complex systems like anti-theft security systems and motor-control applications. In industries, HSR412L can be applied to temperature control systems, robots, and assembly lines. In bank automation systems, HSR412L can serve as counter-cash control devices.

Moreover, HSR412L can provide a stable and precise control in harsh working environments. Its features are wide ambient operational temperature, a low leakage current, excellent electromagnetic noise immunity, a high dielectric strength between input and output, as well as a strong surge-resistant capability as it provides isolation between input and output terminals. It has also a high dielectric breakdown voltage between input and output, and can still maintain a good insulation resistance even in damp environments.

HSR412L is an ideal solution for application fields where small load control circuits are needed. It offers an efficient and reliable switching solution, and its long lifespan and small switching times meet the demands of many applications. It is easy to install and use, therefore it has been widely adopted in all kinds of electronic systems.

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