CD214C-T48CALF

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TVS (Transient Voltage Suppressor) Diodes are a relatively new addition to the lineup of diode semiconductor devices, and they are quickly gaining traction in numerous application fields due to their great performance and ease of use. The CD214C-T48CALF is an exemplar of these devices, and this article aims to give an overview of its application field and working principles.

The CD214C-T48CALF is a 600W bi-directional unidirectional Transient Voltage Suppressor Diode engineered to attenuate a wide range of high-frequency electrical transients that can cause systemic damage in circuits and electrical components, with its ultrafast response time of just 1 nanosecond. This capability makes it highly suitable for industrial high-speed and high-power operations, such as energy storage systems, transceivers, IGBTs, electric vehicles, LED drive and power supply applications. It is also suitable for higher temperature environments up to 175⁰C.

The CD214C-T98CALF has the capacity to dissipate 200W peak power and 600W ESD pulse, making it robust against voltage surges and ESD events. It operates over a working voltage range of 6v to 800v, and it is able to protect integrated circuits from transient overvoltage events, suppressing transient pulses before they can damage connected circuits and electrical components. Furthermore, it features a low clamping voltage of 17.9V@IPP that ensures a constant output current and ensures system reliability.

The CD214C-T48CALF is a unidirectional TVS diode, meaning it is only able to suppress the current flowing in one direction. Even so, it is able to offer bi-directional protection against overvoltage transient pulses. This means that when the device is connected to, for example, an AC power source, it will suppress the transient pulse regardless of the direction of the current.

Effectively, what the device does is to sense the incoming voltage pulse and quickly activate a low resistance shunt across the protected line. This shunt diverts the pulse into a safe path and provides a ground to the protected circuit. The low resistance helps to dissipate and transfer the pulse safely, and the device quickly reverts to its original state, providing an effective protective action.

The CD214C-T48CALF device is immensely popular due to its robust performance and ease of use. Furthermore, its ability to withstand temperatures up to 175⁰C greatly expands its applicability in various fields. It also features an excellent surge capability and excellent clamping performance. It is equipped with an anti-reflection coating, which reduces the frequency of optical reflections and improves heat dissipation, ensuring better durability and reliability.

The CD214C-T48CALF is also equipped with a series of protections including OVLO (overvoltage lock out), OVP (overvoltage protection), SCP (short circuit protection), and OTP (over temperature protection). These protections ensure even greater reliability, meaning the device is suitable for advanced and highly demanding applications.

The CD214C-T48CALF is undoubtedly one of the most versatile TVS diodes on the market, and it is quickly gaining traction in numerous application fields. It is suitable for a variety of industrial, commercial, and even residential applications, thanks to its impressive surge capability, excellent clamping performance, robust temperature handling, and a variety of protective features. It is certainly an excellent choice for any circuit designer or engineer looking for an effective overvoltage protection and surge suppression solution.

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