VTOF70-16IO7

Current - On State (It (AV)) (Max):	70A
Base Part Number:	VTOF
Package / Case:	FO-T-A
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Current - Hold (Ih) (Max):	200mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	550A, 600A
Current - Gate Trigger (Igt) (Max):	100mA
Voltage - Gate Trigger (Vgt) (Max):	1.5V
Series:	--
Voltage - Off State:	1.6kV
Number of SCRs, Diodes:	6 SCRs
Structure:	Bridge, 3-Phase - All SCRs
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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VTOF70-16IO7 Application Field and Working Principle

Thyristors, SCRs or Modules are used in many industrial applications. The VTOF70-16IO7 is a three terminal electronic semiconductor device used in controlling the switching and voltage regulation of power. It is a special type of thyristor with steep turn on and turn off characteristics for use in high frequency applications such as motor control, switching power supplies, harmonic filter applications and more.

Application Fields

The VTOF70-16IO7 can be applied in a variety of applications, including motor control, general purpose power supplies, telecom switching systems, AC motor control, AC/DC converters, voltage regulation, and harmonic cancellation. Its main characteristics are a fast turn-on time, high holding current, low on-state voltage drop, high forward surge current capability, low leakage current and high repeatability.It is well suited for applications involving high currents and switching frequencies. This allows for high efficiency with low losses and reduced size of the system. It is also ideal for applications in harsh environments, such as applications in high temperature, dust, or vibrations. The VTOF70-16IO7 can also be used in applications involving low current.

Working Principle

The VTOF70-16IO7 is a three terminal electronic device and is triggered by a control voltage or current. It has two anode or positive terminals and one cathode or negative terminal. When a positive triggered voltage or positive control current is applied to the gate terminal, the thyristor turns on and the two anode terminals become connected.When the control voltage or current is removed, the thyristor maintains its on-state until the current through it exceeds the holding current. This is called latching and is used for pulse width modulation of motors and rectifiers and for AC motor control applications.The VTOF70-16IO7 also has a negative triggered gate, allowing for a negative control current or voltage to be used to turn off the device. This is useful in applications where high speed turn-off is required, such as power supplies or harmonic cancellation.

Conclusion

The VTOF70-16IO7 is a versatile and high-speed thyristor used in a variety of power applications. It has a fast turn-on time, a high holding current, a low on-state voltage drop, a high forward surge current capability, a low leakage current and high repeatability. The device has both positive and negative triggered gates, making it ideal for high speed switching applications in harsh environments.

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