EL3H4(TB)-VG

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 devices designed to protect equipment from high electrical forces while preventing data transmission between two circuits. The EL3H4(TB)-VG is an optoisolator specifically engineered to provide galvanic isolation between transistors and photovoltaic outputs. This device is suitable for use in any system with transceivers needing high insulation, including power supplies, audio amplifiers, fieldbus communication, and data interfaces. Through an efficient design, this optoisolator can provide low coupling capacitance, wide temperature range operation, and long operating life even under severe working conditions.

The EL3H4(TB)-VG optoisolator consists of a phototransistor, an LED, and two electrical insulation layers. The device contains two transistors: one an NPN type, and the other an FET type. The FET type is used to provide the output side of the device, which is used to drive the LED and the NPN transistor. The phototransistor is connected to the LED with a reverse bias, resulting in an amplified output signal which is sent to the FET. This arrangement provides an isolated output which offers a high degree of protection for the equipment.

The LED is the source of power to the optoisolator and emits light when a voltage is applied across it. This is absorbed by the phototransistor, which also emits a current that can be passed through the FET. This current is then outputted from the EL3H4(TB)-VG device as an isolated voltage signal. This isolated output can be used to drive any electrical equipment, such as sensors, relays, motors, or PLCs. Depending on the configuration of the EL3H4(TB)-VG, the optoisolator can be designed to provide different levels of isolation protection.

The EL3H4(TB)-VG also has an additional feature allowing for the insertion of an optocoupler. This allows the EL3H4(TB)-VG to be directly connected to an LED or a phototransistor. This type of configuration allows the EL3H4(TB)-VG to be used in a wide range of applications that require extra isolation protection. These applications range from medical devices and fire suppression systems to water control, relay switching, mechanical actuators, and industrial automation.

The EL3H4(TB)-VG is designed to withstand most extreme environmental conditions. This includes extreme temperatures ranging from -40°C to 85°C without compromising performance. Furthermore, the device\'s insulation can handle overvoltages of up to 5000VAC between input and output. In addition, the EL3H4(TB)-VG contains an integral self-resetting fuse which protects the optoisolator from short-circuit faults.

The EL3H4(TB)-VG is an extremely reliable and versatile optoisolator. Its compact design, high insulation rating, low coupling capacitance, and wide temperature range make the EL3H4(TB)-VG a great choice for any application requiring isolation between transistors and photovoltaic outputs. With the ability to handle extreme temperatures and overvoltages, this optoisolator provides reliable, long-lasting performance even in harsh applications.

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