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TVS - Diodes - CD214A-T150CALF application field and working principle

Transient Voltage Suppressor (TVS) diodes are used to protect sensitive electrical components from potential voltage spikes that can cause damage. Transient Voltage Suppressors are devices that limit the peak voltage to a predetermined value by diverting surge currents away from vulnerable circuits. Surges can come from lineside transients, directly from lightning or ESD or through an upstream where one might have unterminated cable, untrapped cables and connectors and other similar defects. TVS diodes combat these transients by providing a conduction or "shunt" path for undesirable currents, thus diverting them away from sensitive components.The CD214A-T150CALF is a Transient Voltage Suppressor Diode that can handle a maximum peak pulse power of 150 W. It is specifically designed to protect sensitive circuits from voltage related damage caused by transients. This type of device acts to block voltage transients that can cause malfunction or damage to components and circuit systems. It is designed to operate during a surge event, handling a large surge of energy, without consuming any power on a continuous basis.The CD214A-T150CALF is most effective in situations where voltage surge duration is short and occurs less than 10-20 times daily. This kind of situation is commonly seen in SCADA, data communications, industrial process control and remote monitoring applications. It is a unidirectional device with a working voltage of 150 V (DC) and a maximum peak pulse power rating of 150W. The device has reverse standoff voltage ranging from 5.0 to 25.0 volts with low clamping voltage (typical at 10.0 V for 1 A). The device is optimized for a surge current of up to 8.3 amps.The device uses a simple principle of shunting to protect its connected circuit elements. The device acts as a short circuit when the voltage exceeds the breakdown voltage. Excess current is redirected through the device, which quickly dissipates the extra energy and limits the voltage at the sensitive device to a safe level. The device recovers quickly after it goes through the breakdown and is completely reset within a few nanoseconds.The CD214A-T150CALF is a great tool in the fight against transient voltage related damage and malfunction. Its low clamping voltage, low capacitance and low voltage characteristics make it an ideal choice for in-circuit protection. Its design allows it to act fast and without consuming any power in continuous operation. As transient voltage spikes are a common occurrence in industrial applications, the CD214A-T150CALF should be considered when designing a system to combat unwanted voltage transients.

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