VS-181RKI100

Current - On State (It (RMS)) (Max):	285A
Supplier Device Package:	TO-209AB (TO-93)
Package / Case:	TO-209AB, TO-93-4, Stud
Mounting Type:	Chassis, Stud Mount
Operating Temperature:	-40°C ~ 125°C
SCR Type:	Standard Recovery
Current - Non Rep. Surge 50, 60Hz (Itsm):	3500A, 3660A
Current - Off State (Max):	30mA
Current - Hold (Ih) (Max):	600mA
Series:	--
Current - On State (It (AV)) (Max):	180A
Voltage - On State (Vtm) (Max):	1.35V
Current - Gate Trigger (Igt) (Max):	150mA
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Voltage - Off State:	1kV
Part Status:	Active
Packaging:	Bulk

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Introduction

VS-181RKI100 is a thyristor – SCR, which is widely used in the fields of communication, lighting and instrumentation due to its efficient and reliable functions. It features an ultra-fast switching speed and can provide a dependable long-term performance with high durability in harsh environments. The special design of this device also lets it handle high-voltage power efficiently and safely.

Application Field

The VS-181RKI100 is used in a variety of applications. For example, it is typically used for controlling and switching electric power in consumer electronics and telecommunication applications, such as head end power supplies, electric power distribution systems, power supplies for electronic meters and optical fiber transmission systems. It can also be used in lighting control circuits, rectifiers, and electric door locks.

Working Principle

The VS-181RKI100 is an SCR, which is a semiconductor device consisting of four layers of alternating N-type and P-type material. When an electrical signal is applied, electrons in the N-type layer move towards the P-type layer and create a junction, which is known as the PN junction. This junction allows a current to flow when activated and blocking it when deactivated. The PN junction also acts as a switch, allowing electric current to flow only when the potential difference between the two layers is above a certain power level. When the voltage applied to the SCR is below the turn-on voltage, the PN junction is in its "off" state and the SCR will not conduct any current.When the voltage applied to the device is above the turn-on voltage, a large current will pass through the PN junction and the SCR will be in its "on" state and the electric current will flow. Once the SCR is in the "on" state, it will stay on until the current flowing through the device is reduced to below the holding current. The SCR will then remain in the "on" state until a voltage is applied to the gate of the device, which will cause it to switch to the "off" state. This makes the SCR an extremely efficient and reliable device for controlling and switching electric power, making it extremely useful in a variety of applications such as controlling lighting, rectifiers and electric door locks.

Conclusion

In conclusion, the VS-181RKI100 is a reliable and efficient thyristor – SCR that is widely used in consumer electronics, telecommunication and instrumentation fields due to its easy design and efficient performance. It allows for quick, reliable and safe switching of electric power and is extremely useful in a variety of applications.

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