VS-VSKL26/12

Current - On State (It (AV)) (Max):	27A
Package / Case:	ADD-A-PAK (3 + 4)
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Current - Hold (Ih) (Max):	200mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	400A, 420A
Current - Gate Trigger (Igt) (Max):	150mA
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Current - On State (It (RMS)) (Max):	60A
Series:	--
Voltage - Off State:	1.2kV
Number of SCRs, Diodes:	1 SCR, 1 Diode
Structure:	Series Connection - SCR/Diode
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Thyristors are a family of three-terminal solid state power switches that are used for controlling AC power in high current applications. SCRs (Silicone Controlled Rectifiers) are a type of thyristor. SCRs switches have been widely used in industry, commercial and residential applications, such as motor speed control, light dimming, and drop power control. Modules are a combination of SCRs and associated components that allow a designer to integrate an AC or DC power control into a system. The VS-VSKL26/12 is a SCR module suitable for medium and high power controlling applications.

VS-VSKL26/12 Application Field & Working Principle

The VS-VSKL26/12 is a space-saving thyristor power module for switching DC loads. It is equipped with four SCRs and a high voltage diode. The SCRs used in the module are switching at frequencies up to 50Hz, allowing for smooth and fast control.The VS-VSKL26/12 module is used in applications such as motor control, inrush current control and power factor improvement, surge control and panel boards. It can be used for controlling AC motors up to 1.5 kW and DC motors up to 3 kW. The module features both DC and AC protection against hazardous voltage and current levels.The VS-VSKL26/12 works on the principle of forward blocking and reverse conduction. When the SCR is forward biased, it blocks current flow. When the SCR is reverse biased, it turns on, allowing current to flow. The high voltage diode helps regulate the current in the circuit.

Conclusion

The VS-VSKL26/12 SCR module is a reliable and efficient SCR module for controlling DC and AC loads. Its high rated voltage, high peak current and surge protection makes it suitable for medium and high power applications. The reverse conduction and forward blocking capabilities of the SCRs, along with the high voltage diode provide fast and accurate switching of DC and AC loads.

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