RS1A R3G Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	50V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.3V @ 1A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	150ns
Current - Reverse Leakage @ Vr:	5µA @ 50V
Capacitance @ Vr, F:	10pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC (SMA)
Operating Temperature - Junction:	-55°C ~ 150°C

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Introduction

RS1A R3G is a type of rectifier diode that is commonly used in AC-to-DC rectification applications. It is designed to reduce losses due to its robust design, high current capacity, high surge-current capability, and minimal power consumption. It is an ideal choice for use in applications such as welding machines, solar inverters, and motor controllers.

Device Structure

The RS1A R3G is a silicon epitaxial type PN junction rectifier with an anode and a Cathode. It is a three-terminal device, with a cathode, gate, and anode. Each terminal is covered with a metal shield to protect it from external electrical noise and interferences.The device is constructed using a four-layer semiconductor design, with two layers of epitaxial silicon and two layers of crystalline SiGe. The epitaxial layers are responsible for the rectification process, while the crystalline SiGe serves as a passivation layer that prevents leakage. The device is encapsulated in a low-noise package for superior thermal management and performance.

Applications

The RS1A R3G rectifier diode is used in a wide range of applications, including:

• Welding Machines: The RS1A R3G rectifier diode is often used in welding machines due to its high current capacity, robust design, and minimal power consumption. It is ideal for use in applications such as arc welding machines and TIG welding machines.
• Solar Inverters: The RS1A R3G diode is often used in solar inverters due to its high efficiency and minimal power consumption. It is ideal for use in solar inverters that require high-power capability and low losses.
• Motor Controllers: The RS1A R3G diode is often used in motor controllers due to its robust design and high surge-current capability. It is ideal for use in applications such as motor speed controllers and motor starters.

Working Principle

The RS1A R3G rectifier diode operates on the principle of a PN junction. When a positive voltage is applied to the anode and a negative voltage is applied to the cathode, current flows through the device in one direction, from the anode to the cathode. The PN junction acts as a diode, allowing current to flow in only one direction and blocking current from flowing in the opposite direction. The device’s four-layer semiconductor design provides superior thermal management and performance, while the passivation layer prevents leakage.

Conclusion

In conclusion, the RS1A R3G rectifier diode is a robust, high current capacity, and low power consuming device that is ideal for use in AC-to-DC rectification applications, such as welding machines, solar inverters, and motor controllers. It operates on the principle of a PN junction, allowing current to flow in one direction and blocking current from flowing in the opposite direction.

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