CD214A-T40CALF

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TVS – Diodes are a form of device protection technology and are widely used for protecting sensitive electronic components from electrical over-voltage transients. The CD214A-T40CALF is one such device which offers protection from transients, surges, and other electrical disturbances.

It is a low capacitance, low clamping voltage, high surge rated TVS diode. The CD214A-T40CALF is available in the popular SOT-23 surface mount package and has an overall height of 1.3mm making it ideal for use in space sensitive applications. It is operated in a bidirectional configuration so can be used to protect against both positive and negative surges.

The CD214A-T40CALF is ideal for a wide variety of applications including telecoms, mobile phone networks and power protection. In these applications, the device can protect the vulnerable components from electrical over-voltage transients such as spikes, surges, and electrostatic discharges. It is also designed to protect I/O integrations in various electronic equipment including PCs, laptops, digital cameras, and other consumer electronic products.

The CD214A-T40CALF features a low clamping of 4V min, a high breakdown voltage of 16V and a maximum peak pulse current of 1.5A. It also has a thermal resistance rating of 400°C/W and a storage temperature rating of -65°C to +150°C.

The working principle of the CD214A-T40CALF is based on the avalanche breakdown of a PN junction. When the current flows through the PN junction, a strong electric field is created inside the depletion region which triggers the formation of electron-hole pairs. This phenomenon is known as ‘avalanche effect’ and results in the breakdown voltage being considerably lower than the PN junction’s static breakdown voltage. The current is then diverted through the diode resulting in a clamping action that prevents further increases in voltage.

In summary, the CD214A-T40CALF is a low profile, low capacitance, low clamping voltage, high surge rated TVS diode. It offers superior protection for a wide range of applications against electrical over-voltage transients such as spikes, surges, and electrostatic discharges. The device works on the principle of avalanche breakdown of a PN junction and provides excellent circuit protection.

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