Current - Reverse Leakage @ Vr:	5µA @ 50V
Operating Temperature:	-55°C ~ 165°C (TJ)
Mounting Type:	Through Hole
Package / Case:	4-SIP, KBPM
Supplier Device Package:	KBPM
Base Part Number:	3N253
Series:	--
Packaging:	Tray
Part Status:	Obsolete
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	50V
Current - Average Rectified (Io):	2A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 3.14A

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Diodes - Bridge Rectifiers

3N253-E4/51 Application Field and Working Principle

The 3N253-E4/51 bridge rectifier is a type of diode package designed to provide efficient full-wave rectification of AC power sources. It is also commonly known as a bridge rectifier due to its layout of components in the form of a bridge. This type of rectifier is often found in a number of user-friendly applications such as wallplug adapter devices, transistor radios, and other electronic gadgets.Bridge rectifiers are often used in electronic circuits because of their ability to provide power both in positive and negative polarities. By using two diodes in a "bridge" configuration, the full wave AC signal from the power source is rectified, allowing current to flow in both directions. This feature is beneficial in powering a device from a single power source, although with a much lower power efficiency compared to a single-direction power source. The 3N253-E4/51 bridge rectifier is a four-wire device comprising of four terminals; two for the output and two for the input. The output terminals are on either end of the device and are the positive (anode) and negative (cathode) terminals. Inside the device there is a bridge of two diodes, each one consisting of an anode and a cathode. The two input terminals are connected to the anode and cathode of the two diodes.The main purpose of the 3N253-E4/51 bridge rectifier is to supply power to a device in either positive or negative polarity. The bridge rectifier works by allowing a positive voltage to flow directly from the anode to the cathode of the device and blocking any negative voltages from doing so The principle of operation is based on the principle of potential difference, i.e., the voltage between the anode and cathode of a diode is always constant, and it does not change regardless of the type of input. If a positive voltage is applied between the anode and cathode, current will flow from anode to cathode, but if a negative voltage is applied, no current will flow. This behavior is caused by the "built-in potential barrier" of the diode, which prevents the flow of current in the reverse direction. This is the principle in which bridge rectifiers function. The bridge rectifier works by feeding alternating voltages in both directions, and only allowing one direction of current to pass through. This is because the diodes are arranged in a bridge configuration: the forward voltage of one diode is countered by the reverse voltage of the other diode.In essence, the 3N253-E4/51 bridge rectifier provides an efficient full-wave rectification of AC signals. It works by supplying power to devices in a single direction, allowing it to run properly in both positive and negative polarities. The four terminals of the device allows for easy connection and installation in a range of electronic circuits. The ability of a bridge rectifier to work efficiently in both polarities makes it ideal for powering a variety of electronic gadgets.

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