FES8AT-E3/45

Series:	--
Packaging:	Tube
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	50V
Current - Average Rectified (Io):	8A
Voltage - Forward (Vf) (Max) @ If:	950mV @ 8A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	35ns
Current - Reverse Leakage @ Vr:	10µA @ 50V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	TO-220-2
Supplier Device Package:	TO-220AC
Operating Temperature - Junction:	-55°C ~ 150°C

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Introduction

The FES8AT-E3/45 is a diode rectifier of the Single type product family from Toshiba. This component is suited for a wide range of applications such as DC power supply, auto regulation and uninterruptible power supply, among many others. The design is based on a low power loss with a high efficiency and also has a high surge capability.

Design And Construction

The FES8AT-E3/45 is constructed of four components: two p-type post-diffused chips, an n-type pre-diffused layer and two dielectric layers. The post-diffused chips act as the main body of the rectifier, providing an efficient electrical and thermal path between the chip\'s n-type and p-type layers. The n-type pre-diffused layer acts as a capacitor for better surge capability and noise suppression. The two dielectric layers protect the active layers from environmental elements and reduce noise.

Application Fields

The FES8AT-E3/45 is commonly utilized in applications including:

• DC power supply
• Automotive regulation
• Uninterruptible power supply (UPS)
• Light dimming systems
• White goods control
• General purpose power switching
• Peak current limiting

Working Principle

The FES8AT-E3/45 works according to the principle of diode rectification. This is a process wherein an AC current is passed through a diode, resulting in a DC current. In essence, a diode rectifier rectifies the AC current, transforming it into a steady DC current. This process is used in many applications such as power supplies, lighting systems, and variable-speed motor drives. The post-diffused chips in the rectifier are responsible for its rectification properties. As the AC current passes through the chip, the chip\'s n-type and p-type layers alternate in polarity, creating a bridge between the two layers. As a result, the electrons can flow in one direction, resulting in a steady DC current. The two dielectric layers in the rectifier act as insulation between the active layers. This helps keep noise to a minimum and reduces the likelihood of breakdowns or short circuits due to environmental elements.

Conclusion

The FES8AT-E3/45 is a diode rectifier from Toshiba suited for a wide range of applications such as DC power supplies, automotive regulation, and UPS systems. It is constructed of four components and works according to the principle of diode rectification. This process rectifies incoming AC current, transforming it into a steady DC current. The FES8AT-E3/45 also has two dielectric layers which provide insulation and reduce noise and potential breakdowns. All in all, the FES8AT-E3/45 is an ideal solution for a number of application fields.

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