MXLSMBG170CA Circuit Protection

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TVS - DiodesTransient Voltage Suppressor (TVS) diodes are snap-acting electro-optical or resistive devices that are used to protect circuits from overvoltages, as well as high-energy transients such as electrostatic discharge (ESD) and lightning-induced surges. They are most often used to protect communication lines, power supplies, and consumer electronic equipment from damaging transients. The MXLSMBG170CA is a TVS diode device designed for the protection of sensitive electronics from high-energy transients such as ESD. It features a low breakdown voltage rating of 170V, making it suitable for use in applications where the supply voltage exceeds the recommended range for ESD protection.The MXLSMBG170CA is a Uni-directional Transient Voltage Suppressor (TVS) Diode which features an integrated fuse-less protection circuit. The device has low capacitance, fast response times and low power consumption when compared to other TVS diodes. The device is RoHS compliant and can be used in a variety of application areas such as industrial electronics, automotive electronics, medical electronics and consumer electronics.In terms of application fields, MXLSMBG170CA can be used to protect both lines and power supplies in various applications, including, but not limited to, industrial equipment, personal computers, telecom/data communication equipment, automotive electronics, and consumer electronics.In terms of working principle, the diode has a breakdown voltage which is set below the maximum operating supply voltage. This limits the voltage to a safe level if a higher voltage spike is applied to the circuit, such as an electrostatic discharge. Once the voltage exceeds the breakdown voltage of the diode, current will flow through the device, and the device will act as a shunt, diverting the current away from the protected circuitry.The device will not be damaged by the overcurrent condition, as it is designed to dissipate some energy to protect the parasitic capacitance or ‘hook’ diodes connected to the power supply pins from damage. In addition, the device has a very low capacitance which helps to reduce ringing and noise caused by the transient response on the line leading into the circuit. The low capacitance also reduces the power dissipated by the device.The MXLSMBG170CA should be used in a high-frequency, low-impedance environment and features a low maximum operating temperature. The device also provides excellent protection for IEC 61000-4-2 ESD (±15 kV Contact / ±16kV Air) and IEC 61000-4-4 (±2kV differential & common mode) surge standards.This device can also be used to protect against voltage transients in applications where there is limited current noise, such as LCD panel protection and digital input protection. The device is also capable of protecting against low level voltage transients, such as those found on EMI/RFI line diodes and integrated circuit protector elements.In summary, the MXLSMBG170CA is a Transient Voltage Suppressor (TVS) diode that is suitable for use in a variety of application areas, such as industrial electronics, automotive electronics, medical electronics and consumer electronics. It has a low breakdown voltage rating, low power consumption, low capacitance and fast response times. It is designed for the protection of sensitive electronics from high-energy transients such as ESD and can also protect against voltage transients in applications where there is limited current noise.

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