TB3500H-13-F Circuit Protection

Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	400V
Voltage - Off State:	320V
Voltage - On State:	3.5V
Current - Peak Pulse (8/20µs):	400A
Current - Peak Pulse (10/1000µs):	100A
Current - Hold (Ih):	150mA
Number of Elements:	1
Capacitance:	80pF
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Series:	--
Packaging:	Tape & Reel (TR)

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TB3500H-13-F Thyristor Application field and Working Principle

Thyristors, also known as silicon control rectifiers (SCRs) or unidirectional thyristor valves, are switches made of various semiconductor materials, such as silicon or germanium. They are found in many electrical devices and are one of the most common power electronic components. TB3500H-13-F thyristors are small-sized, sensitive devices which can be widely used in medical, electrical, and industrial electronics.

Application Field

TB3500H-13-F thyristors are fairly standard devices and can be found in a wide variety of uses when it comes to controlling electrical load devices, such as motors, lighting, heating, air conditioning, etc.In medical applications, their widespread use in many medical scans and diagnostics means that TB3500H-13-F thyristors can guarantee accuracy for patient results. For example, they can be used to detect changes in blood flow, as well as monitor irregular heartbeats in patients. They can also be used in industrial applications such as controlling lights and motors in automated processes.Since thyristors are very sensitive devices, they are also widely used in safety applications. For example, they can be used to monitor sensors and prevent the unwanted opening or closing of circuit breakers.

Working Principle

Basically, a thyristor is a three-terminal device that can be either on or off within the influence of a signal wave. It works by using a bi-directional semiconductor switch. Once the thyristor is on, it can be cycled off and on several times without the need for an external voltage source. It means that the device has a holding current, or latching current, and the permanent flow of the current passes through the device until it is manually turned off.The trigger voltage, usually 0.6 volts to 1.5 volts, is the voltage applied between gate and cathode terminals to turn on a thyristor. When the thyristor is on, the voltage applied between any two terminals will be zero.When triggered off, the thyristor will remain in an off state until a trigger voltage is applied again. The trigger voltage must be applied for a certain amount of time to turn off the device. Once off, voltage between gate and cathode must again be applied.

Conclusion

The TB3500H-13-F thyristor is a small, sensitive device that is widely used in many applications due to its wide range of applications. Due to its sensitive nature, it is an ideal device for uses in safety applications. Its working principle allows for the device to be turned on and off with low voltage and makes it highly efficient in its current control.

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