RURD4120S9A-F085 Discrete Semiconductor Products

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1200V
Current - Average Rectified (Io):	4A
Voltage - Forward (Vf) (Max) @ If:	2.1V @ 4A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	90ns
Current - Reverse Leakage @ Vr:	100µA @ 1200V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	TO-252AA
Operating Temperature - Junction:	-65°C ~ 175°C
Base Part Number:	RURD4120

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Diodes - Rectifiers - Single - RURD4120S9A-F085 Application Field and Working Principle

Diodes and rectifiers are widely used in all types of electronic circuits, which have a great impact on the development of modern electronics. RURD4120S9A-F085 is a diode rectifier product developed by Rectron Corporation, and its application fields and working principles are discussed in this article.RURD4120S9A-F085 is a rectifier diode developed by Rectron Corporation, which is suitable for applications in input rectification and reverse protection. Its typical applications include general rectification and polarity protection in DC power supply, AC voltage rectification, electric vehicle rectification protection, wireless products, etc. This diode rectifier is highly reliable, compact and widely used.The working principle of RURD4120S9A-F085 is simple. Under the forward bias condition, the device is equivalent to a closed switch, and the current is allowed to flow mainly through the main body of the diode, so that the voltage drop is kept to a minimum. When the device is in reverse bias, the current from the anode to the cathode is reduced. The device also contains a reverse blocking structure, which makes it very suitable for use as a reverse bias and polarity protection device in electronic circuits.When RURD4120S9A-F085 is used to rectify AC voltage to DC voltage, the diode can be used as a half-wave or full-wave rectifier, the latter of which is commonly used in most electronic circuits. In a full-wave rectification circuit, four diodes are connected in a bridge configuration, and only two of the four diodes are conducting at any given moment. Depending on the size of the alternating current, certain components such as capacitors and resistors can be added to reduce noise, clean up the waveform, and slightly increase the output voltage.In terms of parameters, RURD4120S9A-F085 is an ultra low capacitance TVS diode, with a maximum operating voltage of 50V and a maximum surge current of 4A, boasting a superior low capacitance of approximately 1.1pF. The diode also has a combination of high ESD protection up to 16KV, along with a peak pulse power rating of 220W. The maximum reverse current is 50nA, and the working temperature range is between -55 to 125℃.In summary, the RURD4120S9A-F085 diode rectifier is a reliable and compact device suitable for applications in general rectification, reverse blocking, and polarity protection. Its superior performance, versatility and low cost make it suitable for many applications, ranging from DC power supplies, AC voltage rectification and wireless products.

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