SA54CAHA0G

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The SA54CAHA0G is an important component in TVS - Diodes circuitry. It is a transient voltage suppression diode designed to provide transient voltage protection during extreme voltage spikes or lightning strikes. The aim of TVS - Diodes is to protect sensitive electronic components against high voltage transients and electrical overstresses. It is also known as a Transient Voltage Suppressor (TVS).

The SA54CAHA0G is a unidirectional dual-channel device in a SOD-323 package in which two diodes—each with its own anode and cathode—provide overvoltage protection. This device is designed to protect against voltage transients due to lightning strikes, electrostatic discharge (ESD), and electrical overstresses. It features low reverse leakage current, fast response time, and low capacitance. The operating voltage ranges from 6 to 25 V. It also has a low clamping voltage, which helps to reduce power dissipation. The maximum power dissipation is 400 mW at 25°C.

The SA54CAHA0G has two distinct operation modes. The first mode is the clamping (or voltage-limiting) mode. When the voltage across the diode exceeds the breakdown voltage, the diode is forward biased, allowing current to pass through. This can then limit the voltage on the protected circuit by providing a low impedance path to ground. The second mode is the absorptive (or transient suppression) mode. In this mode, the current is limited to the device’s maximum peak forward current. This is used to protect the device from damage caused by short-term voltage spikes, such as those that occur during lightning strikes.

The SA54CAHA0G is typically used in network and telecom applications. It is also used in power supplies, cables, and other applications where voltage transients could cause damage to sensitive components. It is also used in automotive, portable, and consumer electronics.

The SA54CAHA0G is an important component in TVS - Diodes circuitry, providing protection against high voltage transients and electrical overstresses. Its two operation modes—clamping and absorptive—enable it to protect against short-term voltage spikes caused by lightning strikes or ESD. This device is ideal for use in a variety of applications, including network and telecom, power supplies, and automotive electronics.

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