LL103B-GS18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	30V
Current - Average Rectified (Io):	200mA
Voltage - Forward (Vf) (Max) @ If:	600mV @ 200mA
Speed:	Small Signal =
Reverse Recovery Time (trr):	10ns
Current - Reverse Leakage @ Vr:	5µA @ 20V
Capacitance @ Vr, F:	50pF @ 0V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-213AC, MINI-MELF, SOD-80
Supplier Device Package:	SOD-80 MiniMELF
Operating Temperature - Junction:	125°C (Max)

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LL103B-GS18 Diodes - Rectifiers - Single

The LL103B-GS18 is a single-step diode, often referred to as a rectifier diode. Rectifier diodes are also known as a forward biased diode, and act as a one-way valve for electrical current. They’re generally used for, but are not limited to, AC to DC conversions, smoothing, clipping, and voltage limiting.A single-step rectifier diode is a component that when wired correctly directs electric current to flow in only one direction. In contrast, a multi-step rectifier diode is a component with multiple diodes in series which directs electric current through multiple paths, depending on the given direction and polarity.This specific model is generally used in electrical equipment, particularly in appliences such as air conditioners, fans, and refrigerators. It is designed to maximize power conversion efficiencies and reduce the number of components used.The LL103B-GS18 rectifier diode consists of a semiconductor body with two terminals, the anode and the cathode. It is constructed from silicon, the most common and efficient intrinsic semiconductor material used in diode construction.The diode is activated upon the application of a positive voltage, often referred to as the forward biased component. The diode then works as a conductor, allowing the current to pass through it. This is known as the forward conduction mode.The diode is designed to block any current that is applied in reverse polarity, meaning with a negative voltage. This is known as the reverse-biased or off condition. Due to this, only electrical current in the forward polarization passes and is redirected through the diode, allowing for the conversion of AC to DC.This diode utilizes barrier conduction, a unique feature allowing efficient rectification of AC voltage. This is caused by two alternating current barriers, referred to as positive and negative voltage barriers. The diode can be wired to either perform single-phase, half-wave, or two-stage dual full-wave rectification. Single-phase half-wave rectification passes about one-half of the alternating current incoming, either in the positive or negative cycle, to the load. Two-stage dual full-wave rectification is a process in which the incoming alternating current is divided into two symmetrical halves, each being rectified in the same way. This provides DC power with very low ripple, much lower than what can be achieved using half-wave rectification, while still using the same basic elements.In addition to the rectification process, the LL103B-GS18 can also be used to limit the set voltage value of electrical circuits. This can be done by applying a certain voltage to the diode when the voltage reaches a certain threshold the diode will control the flow of current, thus limiting the amount.The LL103B-GS18 offers many benefits compared to other single-step rectifier diodes. It is extremely efficient for power conversion and rectification processes, it offers low forward dynamic resistance, a wide operating temperature range, and is made from quality silicon.This makes it suitable for applications that require high power consumption and efficient electrical energy conversion. It is typically used in automotive and HVAC applications, where high efficiency, voltage limiting, and power conversion are essential features.In conclusion, the LL103B-GS18 is an effective single-step rectifier diode with widely applicable uses. It is designed to provide efficient power conversion and limit the set voltage of electrical circuits. Its robust build, wide operating temperature range, and low forward dynamic resistance make it suitable for a variety of electrical applications.

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