FR502-AP

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	100V
Current - Average Rectified (Io):	5A
Voltage - Forward (Vf) (Max) @ If:	1.35V @ 40V
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	150ns
Capacitance @ Vr, F:	65pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-201AD, Axial
Supplier Device Package:	DO-201AD
Operating Temperature - Junction:	-55°C ~ 150°C

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FR502-AP Application Field and Working Principle

Diodes are amazing semiconductor devices that are used in a wide variety of different applications. The FR502-AP is one of them, and is categorized under Diodes - Rectifiers - Single. It features a maximum peak repetitive reverse voltage of 500V, and a maximum steady state forward current of 2A.This device is used in power management solutions such as AC adapters, power supplies and battery charging modules. It provides a single-phase rectification which means that it transforms an AC voltage into DC voltage. Its main function is to act as a rectifier to convert the alternating current (AC) into direct current (DC).The FR502-AP features a device structure consisting of a silicon chip that is mounted on a ceramic base. The chip is composed of an NPN silicon transistor and a Zener diode, and a PN junction is formed between these two components. This junction behaves like a dual diode with an anode, a cathode, and a gate which allows the current to flow from anode to cathode. The anode is connected to the positive terminal of the power module while the cathode is connected to the negative terminal.The working principle of the FR502-AP is very simple. When an alternating current is applied across the PN junction, the NPN transistor acts as an amplifier and the Zener diode acts as a regulator. This helps to regulate the output current, and ensure that it does not exceed the allowable limit.When a positive voltage is applied to the anode, the NPN transistor amplifies the current, and the diode allows the current to flow in a single direction, from anode to cathode. This rectification process helps to reduce the noise associated with AC signals, and therefore makes the output more stable and reliable.At the same time, the Zener diode also acts as a regulator to ensure that the output current does not exceed the maximum allowable limits set by the manufacturer. When an excessive current flows in the anode, the Zener diode short circuits the NPN transistor and reduces the input current, thus protecting the device from any damage.Overall, the FR502-AP is a reliable and efficient device, and is used in various power management solutions. It is capable of providing a stable and reliable output, and helps to reduce the noise associated with AC signals. It is a great choice for both commercial and industrial applications.

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