BAV170E6359HTMA1

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Diodes are electronic components which convert alternating current (AC) to direct current (DC). The main application of diodes is rectification i.e. they act as one-way valves for electric current. Rectifier arrays are specialized devices which contain multiple individual diodes connected in an array. This article describes the application field and working principle of a particular rectifier array, BAV170E6359HTMA1.

The BAV170E6359HTMA1 is mainly used in AC/DC power supply circuits and also in automotive power systems. It is a dual-way High Temperature Plastic (HTP) Schottky Diode Array which contains four individual rectifiers connected in an array. The advantages of using such an array are:

• Reduction in size and complexity of power supply designs
• Lower power loss since the multiple individual diodes are replaced by one device
• High temperature plastic housing reduces heat degradation

The BAV170E6359HTMA1 has a current rating of 6A (average) across each of its pins. It can handle peak repetitive reverse voltages of 170V thereby enabling it to rectify high voltage AC signals. The forward voltage drop of the device is low, a maximum of 0.40V. The electrolytic capacitor connected across the diode array further serves to reduce any voltage ripples that may be present in the input AC signal.

The BAV170E6359HTMA1 works on the principle of rectifying alternating current signals. Since the device contains four individual diodes connected in an array, the direction of current flow through the device is determined by the input signal. When the input signal is positive, the current flows through two of the diodes in one direction and two in the other, resulting in an overall current in one direction, effectively ‘rectifying’ the signal.

The BAV170E6359HTMA1 is temperature-stable and identifies a wide range of operating temperature. It is designed with Field Effect Transistor gate protection, which prevents reverse current flow even when the device is subjected to extremely high temperatures. This feature makes the BAV170E6359HTMA1 ideal for applications where severe environmental conditions and high temperatures are likely.

BAV170E6359HTMA1 is also designed with short-circuit protection and differential-mode interference suppression. The short-circuit protection limits the current in the output side of the device to prevent fire hazards and other damages. Differential-mode interference suppression eliminates any high-frequency common-mode signals that could otherwise interfere with the operation of the device.

In summary, the BAV170E6359HTMA1 is a high-temperature Plastic Schottky diode array designed for power supply applications. Its low forward voltage drop and high current-handling capability make it a suitable component for rectifying AC signals while its Field Effect Transistor gate protection and short-circuit protection ensure safe operation even under extreme conditions. It is also equipped with differential-mode interference suppression, making it suitable for industrial applications as well.

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