VDRS10P300TLE

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TVS - Varistors, MOVs are electrical components used in various applications to limit or protect against over voltage and transients. Their versatility and ability to absorb high current pulses has made them a popular choice for industrial, commercial, and automotive applications. The VDRS10P300TLE is a Transient Voltage Surge Suppression (TVSS) device from Littelfuse Inc. that utilizes a varistor element to protect sensitive electronic equipment from electrostatic discharges (ESD) and surges.

Application Field

The VDRS10P300TLE can be used in a variety of applications such as industrial machinery, computers, electrical power monitoring equipment, HVAC systems, and automotive environments. It is designed to provide protection for equipment from the damaging effects of ESD (electrostatic discharge) and surges originating from lightning or power line transients. The device is available in a variety of ratings and configurations to meet the needs of specific applications.

Working Principle

Based on the VDRS10P300TLE product datasheet, its operation is described as follows. The device utilizes a bidirectional varistor element which consists of two metal-oxide varistors (MOVs) in an integrated circuit package. The two MOVs are connected in opposite direction, with the positive terminal of one MOV connected to the negative terminal of the other MOV. When the voltage across the element rises above the operating voltage, it will effectively reduce the surge voltage by significantly increasing the breakdown voltage of the element. In addition, the device will consume the transient energy of the applied surge. The absorbed energy is dissipated in the form of heat, protecting the connected equipment from damage. The total number of surges that the device can handle is determined by its energy rating. The device will then have to be replaced with a new one once it has consumed its maximum energy rating.

The VDRS10P300TLE has been designed to perform reliably in all kinds of environments and is rated to withstand 250V AC/DC voltages. The device is available in two different models, a 10-pin and a 6-pin configuration, allowing for higher power handling capability. It is also available in 6KV ESD-protected versions. The device is UL1449 listed, making it suitable for use in the U.S. and other countries with a UL listing. The device also meets all relevant requirements set by the European Union (CE).

Conclusion

The VDRS10P300TLE from Littelfuse is a transient voltage surge suppression device that provides reliable protection against high-voltage transients and ESDs. It is ideal for a variety of applications such as industrial machinery, computers, and automotive environments. The device uses a bidirectional varistor element which incorporates two MOVs in an integrated circuit to reduce the surge voltage and consume the transient energy. It is available in a variety of ratings and configurations to meet the needs of specific applications. The device meets all the relevant requirements set by safety standards for use in the U.S. and other countries with a UL listing.

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