BSPD400240D2K

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Transient Voltage Suppressors (TVS) are designed to protect vulnerable electronic systems from the damage caused by electrical over-stress (EOS) conditions such as electrical fast transients, electrostatic discharges, and cable discharge events. They come in a variety of technology types such as Zener diodes, unidirectional, and bidirectional thyristors. One type of TVS that is becoming increasingly popular, and offers a cost-effective solution for EOS protection, is the Mixed Technology TVS. One example of a Mixed-Technology TVS is the BSPD400240D2K.

The BSPD400240D2K is a unique device consisting of a fast responding-unidirectional PROTEK component coupled with a low-capacitance diode to provide an extremely low-clamping voltage and excellent ESD protection. The device is uniquely packed into a P4 package with four pins for the dual-function. It offers a wide range of circuit design possibilities.

The device has two components, a PROTEK element, which is a unidirectional trigger diode, and a low-capacitance diode. The PROTEK element provides extremely fast response, and is designed to clamp any voltage spike above a certain threshold. The low capacitance diode provides uniform, low-clamp voltage as the parasitic capacitance associated with the low-capacitance diode is much lower than that associated with normal diodes. This enables the BSPD400240D2K to provide superior ESD protection by suppressing transients in the 2 kHz frequency range.

The primary application field for the BSPD400240D2K is the consumer electronics market. The device is designed to protect mobile phones, tablets, and other consumer products from EOS and ESD events. The BSPD400240D2K is also well-suited for use in automotive applications, as it can withstand high power levels and has a wide operating temperature range.

In terms of its working principle, the device is designed to operate in a low-power (micro-amp) and low voltage (micro-volt) environment, and to dissipate minimal energy when clamped. The PROTEK element responds quickly to changes in voltage and is designed to clamp high-voltage transients. The low-capacitance diode then takes over to actively prevent any additional energy from passing through the device and causing damage to the protected device’s circuits. In addition, the PROTEK element also acts as a current limiter and can be tuned to provide a specific current limiting level.

The combination of the PROTEK element and low-capacitance diode of the BSPD400240D2K enable it to offer superior EOS and ESD protection in a cost-effective package. It is well-suited for use in consumer electronics and automotive applications, and is designed to quickly and efficiently clamp high-voltage transients with minimal power and energy dissipation. Ultimately, the BSPD400240D2K offers superior protection in the most cost-effective manner possible.

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