VS-HFA08TB120PBF

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Introduction

VS-HFA08TB120PBF (hereafter referred to as the “device”) is a single rectifying diode manufactured by Vishay Semiconductor Corporation (hereafter referred to as “Vishay”). It is designed for the military and aerospace industry, and is suitable for applications on airframes, tactical vehicles, and weapon systems. It has been tested for shock and vibration resistance, temperature cycling, and other extraordinary environmental conditions.

Application Field

The device is a single-phase rectifier, which is used in a variety of equipment requiring a robust electrical connection in harsh environments. It is especially useful in applications where forced cooling and large junction-to-case thermal resistance are required, such as those with limited thermal management or compact designs. In addition, it is suitable for operation in low-noise, high-impedance, or tighter pulse width modulation circuits. In military and aerospace applications, the device is often used in radio-frequency (RF) amplifiers, radar systems, navigation systems, transponders, and other high-reliability components.

The Working Principle

When the device is in forward bias, it is capable of rectifying alternating current (AC) to direct current (DC). This is achieved by the operation of a forward biased diode, which conducts current in the forward direction only—allowing electron flow from the anode to the cathode. The device’s reverse breakdown voltage (VBR) is typically around 120 volts, which is enough to handle most common AC voltages. The peak forward current (IF) is rated at 8 amperes, which is enough to power most equipment requiring clean DC power. The device also has a low forward voltage drop (VF) of 0.45 V and a maximum average forward power dissipation (PD) of 7 watts, which enables it to operate at high temperatures for a long period of time. The device is also designed to enable operation even when subjected to vibration and mechanical shock.

Conclusion

VS-HFA08TB120PBF is a single rectifying diode manufactured by Vishay. It is designed for the military and aerospace industry, and is suitable for applications on airframes, tactical vehicles, and weapon systems. It is a single-phase rectifier, which is used in a variety of equipment requiring a robust electrical connection in harsh environments. It has a reverse breakdown voltage (VBR) of 120 volts and a peak forward current (IF) of 8 amperes, with a forward voltage drop (VF) of 0.45 V and a maximum average forward power dissipation (PD) of 7 watts. It is suitable for operation in low-noise, high-impedance pulse width modulation circuits, making it a reliable component for most military and aerospace applications.

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