BAV19WS-HE3-18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	100V
Current - Average Rectified (Io):	250mA (DC)
Voltage - Forward (Vf) (Max) @ If:	1.25V @ 200mA
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	50ns
Current - Reverse Leakage @ Vr:	100nA @ 100V
Capacitance @ Vr, F:	1.5pF @ 0V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323
Operating Temperature - Junction:	150°C (Max)

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Introduction to BAV19WS-HE3-18The BAV19WS-HE3-18 is a single rectifier diode. It is designed to offer a low-cost, efficient, and reliable solution for rectification. The diode features a low voltage drop of 0.4 V at 100 mA of continuous forward current. It also has a forward surge current rating of 1.2 A and a reverse voltage rating of 30 V.Features of BAV19WS-HE3-18The BAV19WS-HE3-18 has a fast recovery time, which results in high efficiency. Its peak forward current rating is up to 200 mA. The device has an extremely low saturation voltage and low Vf, making it well-suited to high-frequency applications. The diode also has a low leakage current and a wide operating temperature range.Applications of BAV19WS-HE3-18The BAV19WS-HE3-18 is usually used in power supply circuits, DC-DC converters, general rectification applications, and automotive applications. It is suitable for high-power rectification, voltage regulation, and ripple reduction. The diode is also well-suited to surge protection applications, such as motor control, lighting, and automotive DC-DC converters.Working Principle of BAV19WS-HE3-18The BAV19WS-HE3-18 is a diode that allows current to flow in only one direction. It consists of two devices: an anode and a cathode. The anode is connected to the positive terminal of the power source and the cathode is connected to the negative terminal of the power source. When a voltage is applied across the diode, electrons are freed from the anode and are attracted to the cathode. This causes current to flow from the anode to the cathode in only one direction.When the current stops flowing, the electrons are once again attracted to the anode, creating a reverse voltage across the diode, known as the “reverse break-down voltage”, which prevents further current flow in the reverse direction. This reverse break-down voltage is kept to a low value by the BAV19WS-HE3-18 to increase efficiency and reduce heat generation.ConclusionThe BAV19WS-HE3-18 is a single rectifier diode designed to provide a cost-effective, reliable, and efficient solution for rectification. It features a low voltage drop of 0.4 V at 100 mA, a forward surge current rating of 1.2 A, and a reverse voltage rating of 30 V. It is suitable for high-power rectification, voltage regulation, and ripple reduction, as well as surge protection applications. The diode operates by allowing current to flow in only one direction when a voltage is applied across it. When the current stops flowing, the diode blocks further current flow in the reverse direction.

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