S4008DS3RP

Current - On State (It (RMS)) (Max):	8A
Supplier Device Package:	TO-252, (D-Pak)
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 110°C
SCR Type:	Sensitive Gate
Current - Non Rep. Surge 50, 60Hz (Itsm):	83A, 100A
Current - Off State (Max):	5µA
Current - Hold (Ih) (Max):	8mA
Series:	--
Current - On State (It (AV)) (Max):	5.1A
Voltage - On State (Vtm) (Max):	1.6V
Current - Gate Trigger (Igt) (Max):	500µA
Voltage - Gate Trigger (Vgt) (Max):	800mV
Voltage - Off State:	400V
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Thyristors - SCRs

S4008DS3RP Application Field and Working Principle

Thyristors are a class of four-layer semiconductor electronic components, including silicon controlled rectifiers (SCRs) and triacs. They have the characteristics of low forward voltage, fast switching speed, high temperature and overvoltage resistance, and simple control circuit. S4008DS3RP is a device belonging to this class, and this article will analyze the application field and working principle of S4008DS3RP.

Application Field of S4008DS3RP

S4008DS3RP has a wide range of applications, such as filter circuits, surge protection circuits, high voltage switching circuits and control circuits.

• In filter circuits, S4008DS3RP can be used to filter out higher-frequency noise, thus effectively filtering out interference signals and making the signal transmission more stable.
• In surge protection circuits, S4008DS3RP can provide a certain instantaneous trigger current and play a role in limiting the overcurrent, overvoltage, and short-circuit protection.
• In high voltage switching circuits, the trigger voltage of S4008DS3RP can be enhanced by adding an external resonance circuit, so that high voltage control can be realized.
• In control circuits, S4008DS3RP can be used to adjust the operating frequency of the circuit, so as to achieve the purpose of increasing or decreasing the current or voltage output.

Working Principle of S4008DS3RP

Starting from the outside, S4008DS3RP consists of two main external circuits, the anode circuit and the gate circuit. The anode is connected to a power circuit with a positive or negative voltage, and the gate circuit is used to open or close the anode circuit. In fact, the working principle of S4008DS3RP is very simple. When the gate circuit is triggered by a pulse signal, the anode circuit is opened and current flows from the anode circuit to the cathode to form a conduction path. After the pulse signal disappears, the anode circuit automatically returns to its original blocked state. The on-off time of the conduction path is controlled by the intensity of the pulse signal.In conclusion, the article analyzed the application field and working principle of S4008DS3RP in detail. Its application field is very wide, including filter circuits, surge protection circuits, high voltage switching circuits and control circuits. Its working principle is to use the trigger voltage of a pulse signal to open and close the anode circuit according to the intensity of the pulse signal. S4008DS3RP is used in a variety of circuits, which is of great help to the functions of the circuits.

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