SA150AHE3/73

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Transient Voltage Suppressor (TVS) Diodes are semiconductor devices that protect against voltage and current surges. The SA150AHE3/73 is a diode that guards against electrostatic discharge (ESD) and lightning strikes. It is designed for use in high-voltage applications with current and voltage ratings up to 150A and 150V, respectively. The device is an axial electronic component with a housing that contains a pair of internal zener diodes.

The SA150AHE3/73 is used to help protect against transient notches, spikes, and other voltage irregularities caused by over-voltage, electrostatic discharge, inductive kick, and other dangerous electrical sources. These devices typically have a low on-state resistance, a high surge sustained energy, and fast response times. The SA150AHE3/73 is no exception; it features a low on-state resistance of 31 ohms at 55°C, a peak power dissipation of 3.1 Watts, and a surge sustained energy of 1.3 Joules. It also has a response time of 10 ns.

The working principle of the SA150AHE3/73 is simple. When a surge or transient spike is detected, the device quickly adjusts its internal resistance and diverts the current away from sensitive components. This process is known as “crowbarring.” The device then relaxes back to its initial resistance, returning to its normal state. The overall effect is to protect sensitive components from damage.

The SA150AHE3/73 is well-suited for telecommunications, computing, and networking applications. It is used in conjunction with protection devices such as MOVs (Metal Oxide Varistors) to provide system-level protection. It can also be used in circuit protection of high-speed data lines (including USB and Ethernet lines); power supply circuits; and peripheral or touch-screen controllers. It is also suitable for automotive and consumer electronics applications.

In conclusion, the SA150AHE3/73 is an effective and reliable way to protect against voltage and current surges. It can be used in a wide range of applications, from telecommunications to automotive and consumer electronics. It is designed for use in high-voltage applications and is capable of handling surges and transients up to 150A and 150V. Its low on-state resistance and fast response time make it an ideal choice for circuit protection.

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