TPSMP20AHM3_A/H Circuit Protection

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Transient Voltage Suppressor Diodes (TVSs) are semiconductor devices that provide electrical protection against voltage surges that exceed their breakdown voltage rating. Their fast response time and low capacitance make them ideal for protecting data lines, power supplies, and other delicate circuits from damaging high-voltage transients. The TPSMP20AHM3_A/H is a unidirectional TVS diode designed for ESD and lightning protection of data communication and other sensitive electronic equipment.

The TPSMP20AHM3_A/H is designed for a maximum working peak pulse power of 20 Amperes with repetitive or non-repetitive peak pulse currents of up to 1.3 ka (8/20µs). It has a reverse stand-off voltage of 13V, a peak pulse power of 1200 Watts, and a maximum operating temperature of +150°C. The diode is constructed with a planar element structure, which makes it well suited for surface mounting applications.

The TPSMP20AHM3_A/H has a wide variety of potential application fields. It can be used in circuits for protection against ESD; protection against transient voltage due to lightning and inductive loads; EFT (electrical fast transient) protection in automotive, consumer, and industrial electronics; as well as protection against transients on data communication and telecommunication lines. It is also well-suited for DC power and signal line protection.

The working principle of the TPSMP20AHM3_A/H is based on avalanche breakdown. When a high electrical field is applied to the diode, a rapid increase in current, known as an "avalanche" occurs due to the impact ionization and electron avalanche breakdown of the junction. This results in a sharp rise in voltage which then clamps the voltage spike, limiting current and dissipating most of the energy from the peak. When the transient surge is over, the diode recovers and its impedance decreases again to a normal low level.

The TPSMP20AHM3_A/H is an ideal solution for applications requiring high surge protection in a small package. Its low capacitance and fast response time make it well suited for protecting data lines, power supplies, and other delicate circuits from voltage spikes and transients, while its planar element construction makes it suitable for surface mounting applications.

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