P4KA20HE3/73

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TVS (Transient Voltage Suppressor) diodes provide protection against transient voltage surges by absorbing the excess energy. The P4KA20HE3/73 is a Unidirectional Silicon TVS diode designed to protect equipment from damage caused by voltage transients. It features a low clamping voltage, ultra-low capacitance, and a short recovery time.

The P4KA20HE3/73 has a maximum peak pulse power of 7.3kW and a breakdown voltage of 20 volts. It is designed to absorb short duration pulses with a maximum energy rating of 452 mJ and a typical IR of 25A. The maximum low-level operating voltage is 8.5V and the maximum leakage current is 11uA at 25°C.

The P4KA20HE3/73 offers superior thermal performance, with a thermal resistance of 40 degrees Celsius per watt. The device is constructed of a low-profile, low-inductance monolithic package with a low thermal resistance to ground. It has a low capacitance of 1.5pf at the lower operating voltage range, making it ideal for use in high-speed applications.

The main application field of the P4KA20HE3/73 is high-speed data line protection. It can also be used in I/O protection, ESD/EMP immunity, automotive/vehicle protection, and industrial/consumer application protection. It is suitable for use in applications such as motor control, power supplies, and system level protection.

The working principle of the P4KA20HE3/73 is simple. When it senses a voltage surge, it absorbs the extra energy by turning it into heat. It then safely dissipates the heat to the device’s surrounding environment. This protects the connected equipment from the damaging effects of the excessive voltage.

In addition, the P4KA20HE3/73 has a fast response time; it can clamp voltage surges up to 4x faster than standard TVS diodes. This gives it an advantage over other devices in terms of protecting against transient voltage surges.

The P4KA20HE3/73 is an excellent choice for a variety of different applications due to its low-profile package, low-capacitance, fast response time, and superior thermal performance. It is an effective device for protecting against voltage transients, making it a reliable choice for a wide range of applications.

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