RL257-TP

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1000V
Current - Average Rectified (Io):	2.5A
Voltage - Forward (Vf) (Max) @ If:	1V @ 2.5A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr:	5µA @ 1000V
Capacitance @ Vr, F:	35pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	R-3, Axial
Supplier Device Package:	R-3
Operating Temperature - Junction:	-55°C ~ 150°C

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction to RL257-TP

The RL257-TP is a single schottky rectifier diode with a low forward voltage drop and high current capability. It is a popular choice for general-purpose rectification applications such as power supplies, battery chargers, electronic ballasts, and automotive applications. This device is constructed using a special alloy junction material and a compact, slim design that makes it suitable for many applications where space is at a premium.

Application Field of the RL257-TP

The RL257-TP is most commonly used in Automotive, Appliance, Electronics, Lighting, and Power Supply applications. In automotive applications, the RL257-TP can be used in reversing polarity detection and as an over-current protection device. In appliance applications, the RL257-TP can be used to provide a low power-dissipation boost while exhibiting low forward voltage drop across the rectifier. In electronics applications, the RL257-TP can be used to support power supply regulation, voltage isolation, and protection of switching circuits. In lighting applications, the RL257-TP can be used as a light dimmer or as a fast-data switching device. Finally, in power supply applications, the RL257-TP can be used to provide a low forward voltage drop across power lines.

Working Principle of the RL257-TP

The RL257-TP is a high-efficiency rectifier diode. It is constructed using a special alloy junction material and a thin-film design that allows for efficient conduction of electricity with minimal loss across the Schottky barrier. The Schottky barrier, which is the interface between the metal and the semiconductor, provides an electrical path from the negative electrode of the diode to the positive electrode. This structure allows the device to operate in reverse bias with a low forward voltage drop and very low thermal dissipation.In operation, when a negative voltage is applied to the diode\'s negative terminal, the Schottky barrier is forward biased, allowing current to flow between the electrodes. As the voltage across the diode increases in the positive direction, the current flow is limited by the increasing reverse bias, causing the current to decrease. At the same time, the reverse bias causes the Schottky barrier to become depleted, preventing further current flow. Thus, the RL257-TP is able to perform efficient rectification with minimal power dissipation.

Conclusion

The RL257-TP is a single schottky rectifier diode with a low forward voltage drop and high current capability. It is ideal for general-purpose rectification applications such as power supplies, battery chargers, electronic ballasts, and automotive applications. Its low forward voltage drop and high current capability provides efficient rectification and power dissipation. The RL257-TP is a popular choice in applications ranging from automotive, appliance, electronics, lighting, and power supply applications.

References

1. "RL257-TP Datasheet" Vishay Semiconductor, 2019. http://www.vishay.com/docs/56579/rl257tp.pdf2. Elvin, L. "How Does a Schottky Diode Work?", Electronics Tutorials. http://www.electronics-tutorials.ws/diode/schottky-diode.html

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description