SMCJ85C

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Transient Voltage Suppressor (TVS) diodes are used in circuit protection applications to protect equipment against transient overvoltage events such as electrostatic discharge (ESD), power line transients, lightning strikes, and voltage spikes caused by commutation transients.

The SMCJ85C is a popular TVS diode, designed for use in protecting equipment from overvoltage transients. It is a Unidirectional device with a breakover voltage of 83V and a working peak pulse power dissipation of 1.5 kW. It is a surface mount device with a SO8 (Small Outline Package) package, which makes it ideal for use in space-restricted applications.

The SMCJ85C has a wide range of applications where overvoltage protection is needed, such as automotive, industrial, military, and consumer products. In automotive applications, it is used in electronic circuits to protect internal components from voltage surges caused by heavy loads and engine stalls. It is also used to protect components in military equipment, such as radar systems. In consumer products, it is used to protect internal components from ESD and power line transients.

The working principle of the SMCJ85C is fairly simple. When the input voltage exceeds the nominal voltage of the device, the diode begins to conduct current and this causes the voltage across the diode to decrease slowly. When the voltage reaches a predetermined threshold (the device\'s breakover voltage), the diode quickly switches from a blocking state to an on state, clamping the overvoltage to a safe level and thus protecting the equipment.

The SMCJ85C is a reliable and cost-effective overvoltage solution that offers excellent protection to a wide range of applications. Its small size, low power consumption, and excellent breakover performance make it the perfect solution for space-restricted applications that require overvoltage protection.

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