T607081854BT

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Off State:	800V
Voltage - Gate Trigger (Vgt) (Max):	3V
Current - Gate Trigger (Igt) (Max):	150mA
Voltage - On State (Vtm) (Max):	1.85V
Current - On State (It (AV)) (Max):	175A
Current - On State (It (RMS)) (Max):	275A
Current - Off State (Max):	25mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	4500A @ 60Hz
SCR Type:	Standard Recovery
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Chassis, Stud Mount
Package / Case:	TO-209AB, TO-93-4, Stud
Supplier Device Package:	TO-93

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Thyristors - SCRs

Thyristors, especially Silicon Controlled Rectifiers (SCRs), are widely used in a variety of applications and are becoming increasingly popular due to their excellent controllability, power handling capability, and long life. T607081854BT is a type of SCR, and it has some unique characteristics and advantages in various applications.

T607081854BT Application Field

The T607081854BT is suitable for medium and high power and voltage applications and is commonly used in the industrial and medical sectors. It is particularly suitable for medium and high current switching applications, such as welding machines, steel annealing equipment, high power lighting equipment, UPS systems, solar inverters, and motor control.

Working Principle

The T607081854BT is a three-terminal device composed of a p-type layer sandwiched between two n-type layers. When forward-biased, the device conducts current in the forward direction, and when reverse-biased, the device blocks current. The T607081854BT has a breakdown voltage of 600V, a on-state voltage drop of 0.72V, and a on-state current rating of 800A.The operation of the T607081854BT is based on the principle of a thyristor. The device\'s operation is divided into two stages: the turn-on stage, or the on-state conducting phase, and the turn-off stage, or the off-state blocking phase. To turn on the SCR, the gate current must exceed a certain threshold value and a certain forward current must flow through the device to maintain the on-state. Once the voltage across the device exceeds the breakdown voltage, the thyristor will trigger and turn on. On the other hand, to turn off the thyristor, the gate current must be cut off and the forward current must decrease to below the holding current. The T607081854BT also has an over-current protection feature that shuts off the device when an excessive current passes through it. This feature can be activated by a current sensor connected between the anode and the cathode of the device.

Advantages

The T607081854BT offers several advantages over conventional SCRs, such as a higher forward blocking voltage of 600V, lower on-state voltage drop of 0.72V, and superb gate triggering characteristics. These features make it ideal for medium and high power applications. It also has a built-in over-current protection that can protect the device from damage by excessive current.In addition, the T607081854BT has an excellent capability to handle EMI noise, making it suitable for applications that require high levels of EMI noise immunity. The device can also be triggered by external voltage or current, which means that it can be used in applications that require an external means of triggering, such as switch-mode power supply applications.

Conclusion

The T607081854BT is an SCR with a wide range of application fields and excellent performance for medium and high power applications. It is equipped with features such as high forward blocking voltage, low on-state voltage drop, and robust gate triggering characteristics. It also has an over-current protection and excellent EMI noise immunity. These features make it an ideal choice for medium and high power applications.

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