S1MFSHMWG Discrete Semiconductor Products

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1000V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 1A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr:	1µA @ 1000V
Capacitance @ Vr, F:	9pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	SOD-128
Supplier Device Package:	SOD-128
Operating Temperature - Junction:	-55°C ~ 150°C

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In the field of electronic components, diodes are essential. Not only are they used to protect circuits from reverse voltages, but they also serve as rectifiers, which allow the unidirectional flow of electricity through circuits. When it comes to rectifiers, a single phase Silicon Controlled Rectifier or SCR is the most common choice. The SCR, or more commonly known as the S1MFSHMWG (Silicon MOS Field Stop Half Wave Generator) rectifier, is, in essence, a three-terminal, two-junction switching device. It has a unique structure wherein the two terminals or electrodes, anode and cathode, are connected to two opposite planes of a p-type semiconductor material.The S1MFSHMWG application field and working principle can be generalized into two categories: power control and rectification. In power control, the SCR is useful in controlling the magnitudes of different voltage sources in order to provide a more suitable and manageable amount of power. The main function of such a device is to either connect or disconnect the power source to the rest of the circuit. On the other hand, when it comes to rectification, the SCR is used to convert AC power into DC power by allowing the flow of current in one direction only.Now let us take a closer look at the basic working of the S1MFSHMWG. In a typical application, the anode and the cathode are connected to the incoming AC power source and to the load, respectively. When the gate connection is applied with a positive voltage, a current is allowed to flow from the anode to the cathode and the SCR latch is engaged. This is referred to as forward conduction of the device and the SCR acts like a closed switch. When the positive voltage is removed, the SCR remains in its latched state, thus allowing the AC wave to continue to flow in the same direction. This is referred to as the reverse conduction state.In order for the device to turn off, the voltage between the gate and cathode must be reversed. This is referred to as the reverse recovery state of the SCR. When the gate voltage is reversed, the current flow through the device is quickly reversed, thus causing the device to turn off. This is known as the reverse recovery time of the device.In summary, the S1MFSHMWG rectifier application field and working principle mainly involves controlling the flow of current in one direction or the other. It has two main components: a power control component which is used to control the voltage of a power source and a rectification component which is used to convert AC power into DC power. The device is typically divided into three states, namely the forward conduction, reverse conduction and reverse recovery state, each of which results in a different application of the device.

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