BAS70-06-E3-08 Discrete Semiconductor Products

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It is important to understand the application field and working principles of a diode rectifier array. The BAS70-06-E3-08 is one such interesting component that has diverse applications and its knowledge can be used within various engineering disciplines. It is made up of three monolithic silicon chips that are connected in series. Each chip contains two series connected, internally temperature compensated Zener diodes. The device is symmetrical and bidirectional, consisting of an anode, cathode and reference pin.

This device is best suited in applications where destruction due to excessive dV/dt is a concern like solenoid and motor control. The feature that makes this rectifier array interesting is its ability to survive high surge currents and voltage transients. This is due to the fact that the internal temperature compensating zeners limit the surge current without damage to the device. Its Zener voltages almost matches the breakdown voltage which aids in regulating the switching characteristics that could decrease current transient.

The working principle of the diode rectifier array consists of two key concepts, namely avalanche breakdown and temperature compensation. Avalanche breakdown is the process of electrons passing through a highly doped junction in a small device gain a velocity that is higher than the saturation field velocity. The result of this is an electrical avalanche or short-circuited current is formed, with a steep junction current versus voltage curve and a low Zener voltage value. The other key concept is temperature compensation, which protects the device from damages due to thermal runaway. As the chip heats up, the built-in zener diodes shift their Zener reference voltage to higher values and counter the effects of the thermal resistance.

Overall, the BAS70-06-E3-08 is an interesting device from the rectifier array family. It offers protection from high surges, temperature compensation mechanisms and can be used in various instrumentation, sensor and solenoid or motor control applications. Understanding the application field and working principles of these devices and components is important when coming up with optimal solutions for various engineering problems.

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