Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Structure:	Series Connection - All SCRs
Number of SCRs, Diodes:	2 SCRs
Voltage - Off State:	1.6kV
Voltage - Gate Trigger (Vgt) (Max):	3V
Current - Gate Trigger (Igt) (Max):	150mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	1500A @ 60Hz
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Chassis Mount
Package / Case:	Module

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F1857SDK1600 Application Field and Working Principle

Introduction to F1857SDK1600

F1857SDK1600 is a thyristor module manufactured by Fairchild Semiconductor. The F1857SDK1600 is a three-phase module that features 1600 volts of maximum DC blocking voltage, 0.083 amperes of maximum on-state output current, 0.002 volts of maximum on-state voltage, and 0.01 seconds of minimum turn-off time at full load.

Application of F1857SDK1600

The F1857SDK1600 can be used in a variety of applications and is especially useful for applications in which reliable and stable power control is required. This includes AC and DC motor control, UPS application, inverter applications, PWM inverters, home appliance and office automation, power converters, power supplies, welding machines, and commercial cooling systems.

Working Principle of F1857SDK1600

The F1857SDK1600 is a 3-phase SCR module that is designed to utilize a current converging circuit to reduce noise and improve performance. The module has three separate thyristors fabricated in the same package, each with a gate, an anode, and a cathode.The current converging circuit is designed to reduce noise during the switching operation. The module has an integrated current mirror that is designed to ensure that each of the three thyristors receives the same volume of current, independently of the current flow in the other components of the circuit. This helps to provide a smooth and constant current to the thyristors, reducing noise and improving the overall performance of the module.In operation, the gate control voltage is applied to the control gate of an SCR, allowing the gate to become forward biased. This allows the current to flow through the SCR from the anode to the cathode and through the load. This current flow continues until the control gate voltage is removed, which switches off the SCR and causes the current to stop flowing.The F1857SDK1600 module is designed to provide a maximum on-state output current of 0.083 amperes and has a maximum DC blocking voltage of 1600 volts. The module also has a minimum turn-off time of 0.01 seconds at full load, helping to ensure a smooth and reliable operation.

Conclusion

F1857SDK1600 is a three-phase SCR module manufactured by Fairchild Semiconductor. This module is designed for a variety of applications in which reliable and stable power control is required, including AC and DC motor control, UPS application, inverter applications, PWM inverters, home appliances, office automation, power converters, power supplies, welding machines, and commercial cooling systems. The F1857SDK1600 has a maximum on-state output current of 0.083 amperes, a maximum blocking voltage of 1600 volts, and a minimum turn-off time at full load of 0.01 seconds. The module also features an integrated current mirror to help reduce noise and improve overall performance.

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