1SS400-G Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	80V
Current - Average Rectified (Io):	100mA
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 100mA
Speed:	Small Signal =
Reverse Recovery Time (trr):	4ns
Current - Reverse Leakage @ Vr:	100nA @ 80V
Capacitance @ Vr, F:	3pF @ 0.5V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	SC-79, SOD-523
Supplier Device Package:	SOD-523
Operating Temperature - Junction:	125°C (Max)
Base Part Number:	1SS400

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Introduction

The 1SS400-G is a type of single-phase silicon controlled rectifier (SCR) which is used for power control applications. It is rated for 400V, 4A current and is a very popular choice for low-voltage power control applications.

Working Principle

The working principle of the 1SS400-G is based on the concept of bi-directional current flow. It is made up of three components: a gate, an anode, and a cathode. When the gate is triggered, it allows a current to flow from the anode to the cathode. When the gate is shut off, the current is stopped, and the device is off. The 1SS400-G can be used for both AC (alternating current) and DC (direct current) applications. When used for AC applications, the 1SS400-G can act like an AC relay, allowing the current to flow in one direction during one part of the cycle, and the other direction during the other part of the cycle. This type of operation is known as “triac” operation. For DC applications, the 1SS400-G acts like a normal switch, allowing current to flow in one direction only when the gate is triggered.

Application Field

The 1SS400-G is typically used as a power control device in a variety of applications. It can be used in motor controls, dimmers, light controls, and other power electronics applications. It is also used in audio applications, such as guitar amplifiers, and in alarm systems.

Advantages and Disadvantages

One of the main advantages of the SS400-G is its ability to handle high power levels. This is due to its low on-voltage and low forward voltage drop, which allows for a greater power handling capability than other types of rectifiers. It is also able to handle high frequency signals, and can be used in switching applications. The main disadvantage of the SS400-G is its complexity. The three-part structure of the device can make it difficult to use, and the triggering of the gate can be tricky depending on the applications. It is also fairly expensive for its size.

Conclusion

The 1SS400-G is a single-phase silicon controlled rectifier (SCR) which is used for power control applications. It is rated for 400V, 4A current and is a very popular choice for low-voltage power control applications. The 1SS400-G can be used for both AC and DC applications, and is commonly used in motor controls, dimmers, light controls, audio applications, and other power electronics applications. Its main advantages include its ability to handle high power levels, high frequency signals, and switching applications; however, its complexity and cost are its main drawbacks.

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