3KP100C-B

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TVS (transient voltage suppressor) diodes are a type of semiconductor device used to protect electronic systems from electrostatic discharge (ESD) and other potentially damaging voltage transients. The 3KP100C-B is a common TVS diode used in applications that require a wide range of voltage transient suppression. This article provides an overview of the 3KP100C-B\'s application field and working principle.

The 3KP100C-B is a unidirectional TVS diode manufactured by Littelfuse. It is designed to protect electronic circuits from voltage transient events at operating voltages up to 100V. The diode is housed in a compact SMA package and is suitable for a wide range of applications, including motor controller protection, PLC (programmable logic controllers), home security systems, industrial control systems, and automotive systems. The diode is also RoHS (Restriction of Hazardous Substances) compliant, meaning it is free of certain hazardous materials.

The 3KP100C-B has a bidirectional breakdown voltage of 3kV and a maximum clamping voltage of 18V, which makes it suitable for protecting against a wide range of voltage spikes. The diode also has a fairly low capacitance of just 275pF, which makes it an ideal choice for high-speed applications such as data line protection. Furthermore, the diode has a fast response time of less than 2ns, which ensures that it can protect against a wide range of transient events.

The 3KP100C-B operates in a unidirectional mode, meaning that it only allows current to flow in one direction. When exposed to a voltage transient, the diode\'s P-N junction will breakdown, allowing current to flow through it in the opposite direction. This current will then be dissipated as heat, effectively clamping the voltage to a safe level. The diode will then reset itself after the event has passed, allowing it to be used for multiple transient events.

Overall, the 3KP100C-B is a versatile TVS diode that is suitable for a wide range of applications. Its fast response time, low capacitance, and high surge capability make it an ideal choice for protecting against voltage transients in a variety of industrial, automotive, and consumer electronics applications.

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