SL03-GS18 Discrete Semiconductor Products

Series:	eSMP®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	30V
Current - Average Rectified (Io):	1.1A
Voltage - Forward (Vf) (Max) @ If:	430mV @ 1.1A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	10ns
Current - Reverse Leakage @ Vr:	130µA @ 30V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	DO-219AB
Supplier Device Package:	DO-219AB (SMF)
Operating Temperature - Junction:	125°C (Max)
Base Part Number:	SL03

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Introduction

SL03-GS18 is one of the most commonly used diodes today. It is a special type of diode that is used in many applications from rectifying AC/DC current to switching power electronics. The SL03-GS18 diode is composed of two semiconductor layers made of silicon. It has a low forward voltage drop and a very fast switching speed. It is suitable for different kinds of applications, such as high frequency converters, automotive systems, motor drives and power supplies.

Application

SL03-GS18 diode can be used in diverse applications with different functions, such as rectifying AC waveform and converting AC to DC, clamping spikes or ringing waveforms, voltage isolation and current limiting. Moreover, it can also be used in the switching power converter, inverter, and SMPS circuits, in order to increase the amplifier’s efficiency and reduce the system cost.In rectification application, the SL03-GS18 diode is used to convert alternating current (AC) to direct current (DC). The alternating AC waveform is applied to the anode and the cathode of the diode. The diode only allows the half of the cycle waveforms passing through the diode and the half-cycle waveforms that passes through the diode is forced to flow in the same direction, resulting in the flow of the direct current.In voltage isolation application, the SL03-GS18 diode is used in order to isolate voltage. A voltage clamp is formed when the diode works as a unidirectional switch. The diode will only allow the voltage above a certain threshold and will block the voltage below that threshold. This is useful when two or more power supplies are required to work in the same system and any leakage of one of them should be blocked to protect the other supplies.In current limiting application, the SL03-GS18 diode is used to prevent overcurrent. The diode will block any current above a certain value and prevent any overcurrent from flowing through the system, thus protecting the system from any overcurrent damage.

Working Principle

The SL03-GS18 diode acts as a unidirectional switch. The anode of the diode is connected to the positive voltage, while the cathode of the diode is connected to the negative voltage. When voltage is applied to the anode, it makes the diode become an open circuit, allowing current to pass through freely. When the voltage is removed, the diode automatically closes (with a small amount of voltage drop) and limits the current.The working principle of the SL03-GS18 diode is exploited in the many applications mentioned above, such as rectification, voltage isolation and current limiting. In rectification application, when the AC waveform is applied to the anode, it makes the diode become an open circuit and only allows half-cycle waveforms passing through it. In voltage isolation application, when a voltage is applied to the diode, it forms a clamp and only allows the voltage above a certain threshold and blocks the voltage below that threshold. In current limiting application, when a current is applied to the diode, the diode will block any current above a certain value and prevent any overcurrent from flowing through the system.

Conclusion

SL03-GS18 is a type of semiconductor diode that is used for a variety of applications such as rectification, voltage isolation and current limiting. It is composed of two semiconductor layers made of silicon and has a low forward voltage drop and a very fast switching speed. The diode acts as a unidirectional switch, allowing current to pass through freely when the anode is connected to the positive voltage. Furthermore, it forms a voltage clamp when a voltage is applied to the diode and blocks any current above a certain value when the current is applied to the diode. All these characteristics of the SL03-GS18 make it a versatile and reliable tool for various applications.

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