BA157-E3/73

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.3V @ 1A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	150ns
Current - Reverse Leakage @ Vr:	5µA @ 400V
Capacitance @ Vr, F:	12pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Operating Temperature - Junction:	-65°C ~ 125°C
Base Part Number:	BA157

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BA157-E3/73 diodes are a type of single rectifier categorized by its specific electrical characteristics. They are used in many applications such as power supply, motor control, and invertor circuits. This specific type of diode has a very versatile application field and its working principle is relatively straightforward. The BA157-E3/73 is a type of rapid rectifier diode that is designed for use in switching power supplies. It is constructed by building a p-n junction diode in a semiconductor material which is most often silicon. The diode works by allowing an electric current to flow in one direction only and limiting or blocking the current in the opposite direction. This is known as rectification and it is an essential component of many power electronics applications. The specific characteristics of the BA157-E3/73 make it suitable for use in high frequency, pulse width modulated (PWM) switching power supplies. It is able to pass currents of up to 3 amps with a maximum voltage rating of 400 volts. This makes it an ideal choice for use in AC to DC conversion devices. Additionally, its reverse leakage current is low enough for many automotive applications and for use in battery charger circuits. The working principle of the diode is relatively simple. When the anode is more positive than the cathode, a forward bias is applied to the diode and a voltage drop across it allows electrons to flow. This is known as forward bias conduction. Conversely, when the cathode is more positive than the anode, a reverse bias voltage will be applied and electrons from the anode will be repelled, resulting in the blocking of current flow. This is known as reverse bias conduction. In summary, the BA157-E3/73 is a type of single rectifier diode specifically designed to provide efficient and reliable rectifying performance in switching power supplies and other demanding applications. Its versatile application field and simple working principle makes it an ideal choice for power electronics design engineers.

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