TISP7180F3DR-S

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	180V
Voltage - Off State:	145V
Voltage - On State:	5V
Current - Peak Pulse (8/20µs):	175A
Current - Peak Pulse (10/1000µs):	45A
Current - Hold (Ih):	150mA
Number of Elements:	3
Capacitance:	47pF
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)

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Introduction

The TISP7180F3DR-S is a Thyristor Surge Protective Device (TVS) designed to protect a circuit from high voltage transients or surges. It is capable of providing a high level of protection to various high sensitivity electronic systems without any additional cost or resources. The TISP7180F3DR-S is marketed mainly for applications in photovoltaic (PV) systems, motor drives, DC/DC converters, and power protection circuits.

Application Field

The TISP7180F3DR-S is designed to protect sensitive PV systems and electronic components from transient overvoltage caused by lightning strikes and power surges. This device can be used in a wide range of applications, including photovoltaic (PV) systems, motor drives, DC/DC converters, and power protection circuits. The device has a wide operating voltage range (200V to 1800V) and can handle transients with a maximum peak pulse current up to 15kA (8/20 microseconds).The device is designed to protect from overvoltage transients in AC as well as DC systems. It can be used in combination with a fuse and an overvoltage protection circuit to provide further protection from transient voltage transients in moderate to highly sensitive electronic systems.

Working Principle

The TISP7180F3DR-S works by clamping transient voltages to a safe level and preventing further damage to the connected components. This is achieved by the device’s two essential components, the thyristor and the diode.The thyristor works by using a small biasing voltage which is applied to the gate (control) electrode. When the control voltage reaches a certain threshold level, the thyristor is “triggered” and closes the circuit between its anode and cathode terminals. This closes the circuit, triggering the diode which provides, in conjunction with the thyristor, a low voltage path which directs the transient away from the devices being protected.The device is self resetting after each transient, and will remain in an “off” state until tripped again, providing continuous protection to the system.

Conclusion

The TISP7180F3DR-S is a Thyristor Surge Protective Device (TVS) designed to provide a high level of protection to sensitive PV systems and electronic components from transient overvoltage caused by lightning strikes and power surges. It has a wide operating voltage range, can handle transients with up to 15kA peak pulse current, and can be used to protect against overvoltage transients in AC as well as DC systems. The device consists of a thyristor and a diode, which are triggered when a control voltage is applied to the gate electrode. The thyristor and diode then provide a low voltage path which directs the transient away from the devices being protected. After the transient, the device will reset and remain in an “off” state until tripped again, providing continuous protection to the system.

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