TISP4290F3LMR-S Circuit Protection

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	290V
Voltage - Off State:	220V
Voltage - On State:	3V
Current - Peak Pulse (10/1000µs):	35A
Current - Hold (Ih):	150mA
Number of Elements:	1
Capacitance:	74pF
Mounting Type:	Through Hole
Package / Case:	TO-226-2, TO-92-2 (TO-226AC)

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Introduction to TISP4290F3LMR-S TVS-Thyristor

The TISP4290F3LMR-S is a type of Thyristor, part of a larger family of devices called avalanche breakdown diodes. They are devices which are designed to protect circuits and components from damage caused by overvoltage or transient disturbances. Due to the superior performance of these devices, they can be used in many different applications within industrial, automotive, and commercial markets. This article will discuss the application field and working principle of the TISP4290F3LMR-S TVS-Thyristor.

Applications

The TISP4290F3LMR-S is a fast-acting TVS-Thyristor that is suitable for protecting sensitive components, circuits, and other electrical devices from overvoltage or transient voltage surges. This device is capable of absorbing up to 10 Amp of surge current, enabling it to provide excellent protection during repeated surges. Its fast-acting performance makes it suitable for applications that require quick response times, such as in automobiles, industrial applications, and medical equipment. The device also has a reverse air gap of 8V, which prevents the device from conducting reverse current. Therefore, it can be used in circuits that contain high junction temperatures or highly-sensitive components.In addition to its surge protection capabilities, the TISP4290F3LMR-S is also suitable for various other applications. It is commonly used in commercial and industrial electrical systems for protection against power disturbances and transients. It can be used to protect circuits from lightning, short circuits, overvoltage, and electrical noise. It can also be used to suppress EMI in motor controllers, power supplies, and other AC-DC circuits.

Working Principle

The TISP4290F3LMR-S TVS-Thyristor works by utilizing the principle of avalanche breakdown. When a high electric field is applied to a semiconductor, the electric field can short out a channel in the semiconductor, causing a current surge. This surge is known as an avalanche breakdown and is the primary principle behind the TISP4290F3LMR-S’s performance.When an overvoltage or transient voltage surge occurs in a circuit, the TISP4290F3LMR-S TVS-Thyristor will detect the surge and absorb the excess current. The device will then reduce the surge voltage to protect components and circuits from damage. It can also protect against ESD, EFT, and EMI by supplying a short circuit between the two terminals of a transistor where the anode is connected to the trigger pin of the thyristor. This prevents ESD, EFT, and EMI from entering the circuit.

Conclusion

The TISP4290F3LMR-S TVS-Thyristor is an effective surge protection device that can be used in many different applications. Its fast-acting performance makes it suitable for use in sensitive applications, such as in automobiles, industrial systems, and medical equipment. The device utilizes the principle of avalanche breakdown to absorb current surges and protect circuits from damage. It can also provide protection against ESD, EFT, and EMI. Therefore, it is an ideal device for protecting circuits from overvoltage or transient voltage disturbances.

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