UPS120/TR7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	20V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	450mV @ 1A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	400µA @ 20V
Capacitance @ Vr, F:	80pF @ 5V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-216AA
Supplier Device Package:	Powermite
Operating Temperature - Junction:	-55°C ~ 125°C
Base Part Number:	UPS120

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Introduction

A UPS120/TR7 is a single diode rectifier (SDR) device typically used in power electronics applications. It is designed to convert AC power from the utility supplier\'s AC line into a regulated DC output. The device uses a three-phase bridge rectifier circuit and includes a high-current thyristor for overvoltage protection.

The Benefits of the UPS120/TR7 Rectifier

The UPS120/TR7 rectifier is designed to offer several benefits. Firstly, its ability to offer a wide range of output voltages, including 3-phase AC and DC options, helps to reduce the number of different units required to maintain a power supply. Additionally, its both voltage and frequency range are wider than those of conventional rectifiers, allowing it to match most utilities\' line voltages and power requirements. The device also supports remote monitoring, integration with other line protection systems, as well as long-term performance guarantees.

Application Field

The UPS120/TR7 rectifier is suitable for use in a range of industries, including:

• Automotive - The UPS120/TR7 rectifier is often used in automotive applications because of its high energy conversion efficiency, reduced power consumption and noise, and the extendability of its operation temperature range.
• Industrial - The UPS120/TR7 rectifier is suitable for any industrial process automation system, including those in the agriculture and energy industries. The device is able to provide reliable and consistent energy supply and is practically maintenance-free.
• Railway - Electric rail transportation requires a reliable and steady power system. UPS120/TR7 rectifiers are popular in the railway sector because they are able to meet stringent requirements, providing clean, reliable and safe power.
• Power - The UPS120/TR7 rectifier is an ideal choice for electric power grid applications, offering stable and economical solutions for distribution automation. The device’s fault-tolerant design and monitoring capability make it suitable for mission-critical operations.

Working Principle

The UPS120/TR7 rectifier works in a three-phase bridge rectifier circuit. In this circuit, a three-phase AC power supply is connected to a thyristor via three diodes. The thyristor is used primarily for overvoltage protection and control. When the AC power is applied, the diodes conduct, allowing the current to flow through the external circuit which is usually the electrical load. The rectifier also contains a voltage regulator circuit that ensures the correct output DC voltage at all times. The circuit consists of an integrated pulse-width modulation (PWM) unit and an analog-to-digital converter (ADC). As the output voltage increases, the PWM unit reduces the duty cycle of the thyristor, thereby reducing the input current. This helps to prevent overvoltage from occurring and maintains the output voltage at the required level.

Conclusion

The UPS120/TR7 rectifier is a single diode solution used in power electronics applications. It is suitable for many industries, including automotive, industrial, railway and power supply. The device works in a three-phase bridge rectifier circuit and includes a high-current thyristor for overvoltage protection and a voltage regulator circuit for maintaining correct output voltage. The UPS120/TR7 rectifier is a reliable and economical solution for many power applications.

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