QRF1220R30

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Configuration:	1 Pair Common Anode
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1200V
Current - Average Rectified (Io) (per Diode):	140A (DC)
Voltage - Forward (Vf) (Max) @ If:	3.5V @ 140A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	150ns
Current - Reverse Leakage @ Vr:	1mA @ 1200V
Operating Temperature - Junction:	-40°C ~ 150°C
Mounting Type:	Chassis Mount
Package / Case:	Module
Supplier Device Package:	Module

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QRF1220R30 Application Field and Working Principle

IntroductionThe QRF1220R30 is a rectifier array with a low forward voltage drop. It is a single or dual series configuration Schottky diode array. The device has two independent bridges with series connected diodes. It has the capability to provide surge and transient protection, efficiently rectify a variety of AC waveforms and regulate the DC output of switching power supplies, converters and motors.Application FieldThe QRF1220R30 is used in power supply and motor control systems, and is also suitable for surge protection, inrush current limiting, load balancing, and other power conditioning circuit requirements. It can be used in automotive electronics, Laptop, Home Appliances, consumer electronics and telecom systems.Working PrincipleThe QRF1220R30 rectifier array uses Schottky diodes with a low forward voltage drop. The device operating temperature range is -40 to +85 °C.When the voltage across a Schottky diode is in the forward direction, the diode acts like a low resistance, allowing the current to flow through it. In the reverse direction, the diode behaves like a high resistance, preventing current flow. Since the voltage across the diode is low, the device dissipates very little power, resulting in very efficient regulated DC outputs.The device also has two independent bridges with series connected diodes. The two bridges are electrically isolated, so they can be used as two separate outputs with different voltage levels. This allows the device to regulate the DC output from multiple power sources.ConclusionThe QRF1220R30 rectifier array provides an efficient and reliable solution for surge protection and regulating the DC output of power supplies and motors. Its low forward voltage drop and operating temperature range makes it ideal for a wide range of applications. It is also capable of providing inrush current limiting, load balancing and other power conditioning requirements.

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