TISP4145H3LMR-S Circuit Protection

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The TISP4145H3LMR-S is a Thyristor, or Thyristor Surge Protector (TVS). It is used to protect sensitive electronics from over-voltage transients, such as lightning strikes and ESD-type events. The device is designed to clamp transient voltages that exceed its clamping voltage and limit the energy to a safe discharge level. As a result, the device should ideally save the circuit and its components from destruction.

Thyristors operate with two basic elements - a gate and a main terminal. A voltage applied to the gate electrode turns the device on. It remains on until the current reaches its holding current, at which point it will switch off. When the current falls below the holding current, the thyristor switches off.

The TISP4145H3LMR-S is rated for transients up to 2.5kV and can withstand 5.3A of peak surge current. Its breakdown voltage is 40V and has a capacitance of 4pF. The TVS has an operating temperature range of -55°C to +125°C and is available in a variety of package sizes. It is RoHS compliant and meets UL 497 standards.

The TISP4145H3LMR-S is commonly found in many applications, such as automotive, industrial and consumer electronics. It can be used to protect sensitive backlight inverter circuits, high power electronic components, and communication lines from destructive over-voltage transients. It can also be used to protect circuits from voltage transient induced by sparks.

In conclusion, the TISP4145H3LMR-S is a thyristor surge protector designed to protect sensitive electronic components from over-voltage transients. It is widely used in many applications due to its flexible design, wide operating temperature range, and excellent protection capabilities.

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