SMCJ36C Circuit Protection

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SMCJ36C is a general purpose transient voltage suppressor (TVS) diode that provides a compact electrical protection against surges, accidental transients, and electrostatic discharges. It is an unidirectional device that works to provide protection to a circuit by short-circuiting current when a surge or other overvoltage situation occurs. The primary function of the SMCJ36C is to prevent surges and transients from reaching the protected circuit and to provide a discharge path for any energy that has already reached the protected circuit. It has a very low thermal coefficient, low capacitance, and can dissipate a relatively large amount of energy when compared to similar devices.

The proper application of the SMCJ36C requires that it be used in a two-stage TVS array. The first stage is used to dissipate the transient energy via a Zener action, which reduces the voltage at the output of the diode. The second, or series stage, is designed to block any remaining voltage transients that may try to reach the protected circuit.

The working principle of the SMCJ36C is based on the fact that it can only conduct current when the voltage at its anode pin goes beyond a certain level. This level is called the “breakover voltage”, or “clamping voltage”. This is the typical voltage at which the diode begins to conduct current. At this voltage, the current passes through the diode in one direction, or the anode to the cathode. When the voltage at the anode goes beyond the breakover voltage, the diode will begin to conduct current in an avalanche fashion. This is the Zener action that reduces the voltage at the diode output.

The SMCJ36C is a practical device for use in various applications in which transient voltages must be removed from a protected circuit. Its design provides a low capacitance, tight parameter and thermal stability, and excellent protection against unwanted overvoltage transients. Due to its functionality and reliability, the device can be used in a wide variety of areas for both professional and consumer electronics, such as computers, communications, automotive, industrial equipment, home appliances, consumer electronics, and more.

In conclusion, the SMCJ36C is a lightweight, very reliable and highly efficient transient voltage suppressor diode which is well suited for many applications. It is capable of providing a reliable and robust protection against overvoltage transients and other pulse events, up to its rated power dissipation. It is also easily incorporated in end products thanks to its low capacitance, tight parameter and thermal stability, and its small size.

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