SA26CAHE3/73 Circuit Protection

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A SA26CAHE3/73 TVS diode is an unidirectional electrical device engineered to safely absorb the high energy or surge currents which can damager other connected electrical components in a system. This surge protection device is used in a wide range of applications and protects circuits from overvoltage due to induced surges. These TVS diodes are found in various markets, such as telecommunications, consumer electronic, automotive, industrial, appliances, and military, and play an important role in surge protection management.

The SA26CAHE3/73 has an operating voltage of 26V and a capacitance of 33pF. It is a surface mount silicon diode in a SMAJ package with fast response time of 4.6ps. This diode has a power dissipation rate of 260W and a maximum reverse peak power rating of 3600W. It can withstand a clamping voltage of 65V and has a typical junction capacitance of 0.1pF. This diode has an operating temperature range of from -55°C to +150°C.

The SA26CAHE3/73 is a bidirectional diode which is ideal for ESD, clamping, electrical fast transients (EFT), lightning surge, and transient current suppression applications. These TVS suppressors are mainly used in the automotive industry to protect against electromagnetic interference, telecommunication and networking equipment, such as routers, switches, and modems, consumer electronics, and data transmission equipment. They are often used to prevent voltage surges from damaging voltage sensitive components and to limit current flow into an over voltage application.

The SA26CAHE3/73 is an avalanche diode which has the unique feature of being able to protect against both positive and negative power surges. It has a breakdown voltage which is typically much lower than the Zener Diode, enabling it to break down at a much faster rate. The lower breakdown voltage of the diode also improves the device’s surge handling capability while allowing it to respond more quickly to changing surge conditions. In order to maximize the protection provided by the SA26CAHE3/73, it should be placed in series with other components which it is designed to protect.

The working principle of the SA26CAHE3/73 is relatively simple. It is designed to divert excessive current away from connected components when a voltage surge occurs. When the voltage of the diode exceeds the breakdown voltage, current is allowed through very quickly, causing an avalanche effect and dissipating the energy from the surge. This process occurs almost instantaneously, providing maximum protection against voltage surges.

In summary, the SA26CAHE3/73 TVS diode offers robust protection from voltage surges and is used in a wide variety of applications. It works by diverting excessive current away from connected components when a voltage surge occurs in order to protect against both positive and negative power surges. This diode is ideal for ESD, clamping, electrical fast transients (EFT), lightning surge, and transient current suppression applications.

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