3KP200A-B

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TVS (Transient Voltage Suppressor) diodes are used for protecting sensitive circuits from damage due to electrical overstress from transient voltage surges, such as lightning or electrostatic discharge (ESD). This article will discuss the application field and working principles of 3KP200A-B TVS diode.

The 3KP200A-B TVS diode is designed to protect port lines or point-of integration chips in consumer electronics products, including computers, HDTV sets, digital video recorders, personal digital assistants, and hand-held electronic devices, from transient voltage surges. It is also suitable for use as a low capacitance bi-directional ESD protection diode in high-speed data lines.

3KP200A-B uses a low dynamic resistance, low capacitance design to effectively protect systems from accidental exposure of up to 2 kV of ESD & IEC61000-4-2 (level 4). It uses an advanced high power, low clamping voltage process for higher reliability and surge ratings.

3KP200A-B has a maximum working voltage of 28V, reverse stand-off voltage of 14V, breakdown voltage of 21V and a maximum surge current of 15,000 A (8×20µs pulse wave). It has a total capacitance of < 0.2pF, surge current rating of up to 200A (8×20µs pulse wave), peak clamping voltage of 36V and an operating temperature range from -55°C to 150°C.

The working principle of the 3KP200A-B TVS diode is to provide a low impedance path for transient surges. The diode turns on when the surge voltage exceeds its breakdown voltage, providing a low resistance path for the transient current to flow. The surge voltage is then clamped to a predetermined level, keeping the circuit voltage within its design limits. The low dynamic resistance of the diode also limits the voltage rise in the circuit.

In summary, 3KP200A-B TVS diode is designed to protect consumer electronics equipment against transient voltage surges. It has a maximum working voltage of 28V, reverse stand-off voltage of 14V, breakdown voltage of 21V, total capacitance of < 0.2pF, surge current rating of up to 200A and a peak clamping voltage of 36V. The working principle of the diode is to provide a low impedance path for transient surges, clamping the surge voltage to a predetermined level and limiting the voltage rise in the circuit.

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