SMCJ100CA-M3/57T

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SMCJ100CA-M3/57T is a transient voltage suppression diode, also known as a TVS diode. It is designed to protect sensitive electronic components from voltage transients, or “spikes,” that can occur on power and data lines. TVS diodes are commonly used in automotive, industrial, telecommunications, and consumer electronics applications.

In an SMCJ100CA-M3/57T, the code numbers indicate the diode’s breakdown voltage (in this case, 100 volts) and the peak-pulse power rating (57 watts). The “M3” indicates an SMCJ-type package, a low-profile radially-leaded device with a maximum height of 3.9mm. The lowercase “a” indicates the device’s maximum clamp current rating (8.5 amps).

The SMCJ100CA-M3/57T is a unidirectional diode, meaning it protects electronic components from high voltage transients in one direction only. The SMCJ100CA-M3/57T has a peak-pulse current rating of 8.5 amps and a peak-pulse power rating of 57 watts. Its capacitance is 11pF at 500V.

The SMCJ100CA-M3/57T is used in a wide variety of applications, including automotive, commercial, industrial, medical and telecom/data applications. It is used in various circuit protection functions, including USB power line protection, as well as power supply and data line protection in computers, peripherals, and consumer electronics. It can also be used in high-voltage isolation transformers and power supplies, as well as surge suppressors and overvoltage protection circuits.

In order to understand how an SMCJ100CA-M3/57T diode works, it’s important to understand the principles of transient voltage suppression. A TVS diode acts as a “clamp” that limits the peak voltage on a signal line. When a transient voltage spike occurs on a line, the diode conducts, allowing a small, safe current to pass that limits the peak voltage. Because the diode is “clamped” to ground, no more current is allowed to flow into the protected circuit. The TVS diode is designed to conduct large current only for very short amounts of time, thus limiting the amount of damage that could be done by the transient spike.

The SMCJ100CA-M3/57T TVS diode is used in a variety of industrial, commercial, and consumer electronics applications. The device is designed to protect sensitive components from transient voltage surges, ensuring the long-term reliability of the protected system. By understanding its application field and working principle, engineers can make informed decisions about which devices are best suited to protect their circuits from transient voltage spikes.

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