BAS521,135

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	300V
Current - Average Rectified (Io):	250mA (DC)
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 100mA
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	50ns
Current - Reverse Leakage @ Vr:	150nA @ 250V
Capacitance @ Vr, F:	5pF @ 0V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	SC-79, SOD-523
Supplier Device Package:	SOD-523
Operating Temperature - Junction:	150°C (Max)
Base Part Number:	BAS521

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IntroductionThe BAS521,135 is a diode rectifier which is used to convert incoming AC power from the grid into DC power which can be used for electronic systems. Its application fields and working principle are described in this article.Application FieldThe BAS521,135 is typically used in power supplies for electronic systems, such as computers, smartphones, HVAC systems and many others. Its main purpose is to convert AC grid power supplied to the system into DC power, as most devices use DC power and require a power supply to convert the incoming AC power. In addition to being used in power supplies, the BAS521,135 can also be used as a surge protector. It helps protect devices against voltage spikes, which can damage components and reduce their lifespan.Working PrincipleThe BAS521,135 operates on the principle of rectification, which simply means converting incoming AC power into DC power. The component contains two components: an anode, which is the positive terminal, and a cathode, which is the negative terminal.When an AC voltage is applied to the terminals, the component will rectify the incoming signal and output a DC voltage. This is achieved by the component\'s structure and the materials it is made from. Specifically, at the anode, the component contains an n-type material, which allows the current to flow in one direction and blocks it from the opposite direction. At the cathode, the component contains a p-type material, which allows the current to pass the opposite direction. This ensures that the current is always flowing in the same direction, allowing for rectification.ConclusionThe BAS521,135 is a diode rectifier which is used to convert AC grid power into DC power. It is primarily used in power supplies for electronic systems, and can also be used as a surge protector to protect devices against voltage spikes. The component operates on the rectification principle and utilizes n-type and p-type materials to allow the current to always flow in the same direction, thus rectifying the incoming AC voltage into a DC voltage.

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