1N4935G

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	200V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 1A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	300ns
Current - Reverse Leakage @ Vr:	5µA @ 200V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-41
Operating Temperature - Junction:	-65°C ~ 150°C
Base Part Number:	1N4935

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Introduction

The 1N4935G is a single rectifier diode designed for general purpose use. It is a standard three lead device capable of blocking voltages up to 1500V, with a maximum forward current of 3A. It is rated for continuous operation at temperatures up to 110 degrees Celsius.

Application Fields

The 1N4935G has a multitude of uses in the industrial and consumer engineering sectors. Its wide range of ratings makes it suitable for use in a variety of applications such as high voltage switching, reverse polarity protection, and rectifying AC signals. The diode is commonly found in power supply circuits, and is also used in some automotive applications.

Working Principle

The 1N4935G works by using a p-type semiconductor body with an anode and a cathode, and a junction between them. When a forward current is passed through the anode, the junction helps to block any reverse current, allowing electrons to flow in only one direction. This enables the diode to be used for applications such as voltage conversion, signal rectification and filtering.

Design Considerations

The 1N4935G has a maximum repetitive peak reverse voltage of 1500V and a maximum junction temperature of 110 degrees Celsius. It features a temperature coefficient of 11.4 µV/°C and a typical junction capacitance of 35 to 45 pF. The device requires a minimum of 1V forward voltage to conduct, and will start to conduct at reverse voltage values of around 1V. In addition, the diode can withstand a surge current of up to 8A.

Performance

In terms of performance, the 1N4935G offers an average rectifier efficiency of 87%, a maximum forward voltage drop of 1.25V and a reverse current leakage of 3μA at room temperature. The diode can handle up to 250A surge current and has a typical forward recovery time of 5ns.

Conclusion

The 1N4935G is a versatile and reliable rectifier diode that offers a wide range of ratings and performance. It can be used in a variety of applications, ranging from high voltage switching to reverse polarity protection, as well as signal rectification and filtering. Due to its impressive ratings and performance, the diode is a reliable and economical choice for a wide range of power supply needs.

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