CD214A-T160CALF

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TVS – Diodes

The CD214A-T160CALF is an ultra-low capacitance protected diode from TECCOR. It was developed to protect high-speed digital interfaces in applications where space and cost is a premium. It offers superior transient wave-shaping characteristics over many competing diodes in this application field.The CD214A-T160CALF is a Diode Array that offers three distinct features: protection, low capacitance, and low voltage drop. It is suitable for applications in which a high rate of change of current (dv/dt) needs to be absorbed, such as in the protection of data buses or similar high-speed digital lines.The diode array utilizes three distinct elements to provide protection: a reverse biased zener diode, a low voltage drop diode, and a low capacitance diode (LTCD). The reverse biased zener diode is designed to absorb any transient voltage surges or spikes that may occur on the input lines; the low voltage drop diode allows for protection against over-voltage conditions; and the low capacitance diode limits the input capacitance of the protected line.The CD214A-T160CALF is a robust, double-sided diode array. It features a center conductive layer, which is connected to the anode side of each diode element. This allows for a symmetrical pattern to provide uniform current flow from the anode to the cathode, providing a more reliable protection and higher clamping voltage.In its standard configuration, the CD214A-T160CALF offers an IEC 61000-4-2 Level 4 ESD Protection, and is rated up to a maximum peak pulse current of 10A. The peak pulse current rating is defined by the maximum peak current a diode can be exposed to without any significant degradation in performance.In applications that require higher peak pulse current ratings, the diode can be configured in a stacked configuration, or a butterfly configuration. This allows for a higher peak pulse current rating, while still maintaining the low input capacitance of the device.The protection provided by the CD214A-T160CALF can be further enhanced with the use of an external snubber. A snubber is an additional protection device that can be connected to the protected lines. It is typically used to reduce the ringing of the surge waveform and for additional energy absorption.In summary, the CD214A-T160CALF is an excellent choice for applications in which protection, low capacitance, and low voltage drop is required. It is capable of providing superior transient wave-shaping characteristics over many competing diodes in this application field, while still maintaining a low cost and space requirement. It is rated up to a maximum peak pulse current of 10A, and can be configured in a variety of configurations to provide even greater protection.

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