BAS70-05-E3-18

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Configuration:	1 Pair Common Cathode
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	70V
Current - Average Rectified (Io) (per Diode):	200mA
Voltage - Forward (Vf) (Max) @ If:	1V @ 15mA
Speed:	Small Signal =
Reverse Recovery Time (trr):	5ns
Current - Reverse Leakage @ Vr:	100nA @ 50V
Operating Temperature - Junction:	125°C (Max)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23

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Introduction

BAS70-05-E3-18 is a rectifier diode array typically used for general purpose in an array configuration. The diode array consists of anode, reverse-biased anode, and cathode electrodes and provides a wide operating range. This rectifier array incorporates an on-state voltage drop of ~1V and a differential on-state resistance of ~100Ω, allowing it to be used in a variety of applications in both analog and digital circuits.

Applications and Uses

BAS70-05-E3-18 diodes are commonly used in a range of applications, including power supplies, current sensor circuits, and temperature control circuits. They are primarily used to control the flow of current in the presence of harmonic signals, changing load conditions, and high input voltages. In power supply applications they are used to provide a reliable path to rectify AC power by allowing the current to pass through the specified range and at the same time reduce the effect of external interference. In current sensor circuit applications, the diodes are used to alleviate the internal resistance of the sensor and to improve the signal-to-noise ratio of a current sensing circuit. In temperature control applications, the diodes are used to control the temperature of a device by allowing or blocking the flow of current through it depending on the reading of the temperature sensor.

Working Principle

The BAS70-05-E3-18 rectifier diode array works by allowing current to flow in only one direction. This process is known as rectification and relies on the physical semiconductor material property of diodes. When a voltage is applied across the diode in the correct direction, electrons can flow freely and thus allow current to pass through the diode. However, when the voltage applied is in the reverse direction, the electrons cannot flow due to the structure of the built-in semiconductor material. This restricts the flow of current and protects the diode from the potentially damaging effect of the reversed voltage. This is the principle on which rectifier diodes operate and is what makes BAS70-05-E3-18 diodes so essential in a range of critical applications.

Conclusion

BAS70-05-E3-18 rectifier diode arrays are some of the most popular and important components used in a range of both analog and digital circuits. They provide a reliable path to rectify AC power and can be used to improve the performance of current sensors, temperature controllers, and a host of other applications. Finally, the working principle behind these components lies in their physical semiconductor material property, which restricts the flow of current in the reverse direction and ensures reliable operation even in the presence of harmonic signals, changing load conditions, and high input voltages.

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