MSMCJ17CA

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TVS (transient voltage suppressor) diodes are used to protect sensitive electronic components from overvoltages caused by external sources, such as lightning or electrostatic discharge (ESD). The MSMCJ17CA is a TVS diode designed to protect against surges up to 17A (8/20 microsecond waveform).

The MSMCJ17CA is a dual-slope unipolar avalanche diode with an integrated fuse. It features an 8/20 microsecond surge protection level of 17A and a standard square wave IEC 61000-4-4 pulse of 35A.

The device has a low capacitance of 0.8pF, which is suitable for high-speed digital applications. The low capacitance also reduces EMI emissions. It also has a maximum reverse leakage current of 10nA, making it suitable for battery operated devices.

The working principle of the MSMCJ17CA is based on the avalanche breakdown theory. It uses a junction of two doped regions that provide a path for current flow. When a reverse voltage (Vr) exceeds the avalanche breakdown voltage, the current begins to increase exponentially, allowing a large amount of current to flow. This current will quickly reduce the voltage across the junction which in turn generates a large amount of heat. The heat dissipates quickly, preventing overheating of the device and any damages.

The main applications of MSMCJ17CA are in the fields of consumer electronics, automotive electronics, power supplies, telecommunication, and industrial circuits. It is designed to protect sensitive components for various applications, from surge protection in residential and commercial applications to automotive reverse-battery protection.

The MSMCJ17CA is capable of handling surge currents up to 17A with a peak power rating of 135W. It is UL recognized and IEC vetted, making it a reliable and effective solution for surge protection. The device also has a low leakage current, making it suitable for use in battery operated devices. The MSMCJ17CA is a cost-effective and efficient solution for protecting sensitive components from overvoltages.

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