3KP85-B

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TVS, also known as a transient voltage suppressor, is an electronic device that is designed to protect electronic circuits from hazardous voltage spikes. In order to accomplish this, TVS diodes utilize a Zener junction to limit the energy coming in and maintain a safe voltage level. The 3KP85-B is a voltage suppressor diode product manufactured by Littelfuse, a leading provider of circuit protection, power management and sensing components. It is designed to protect commercial electronic equipment, particularly audio-visual applications, from transient voltage surges.

3KP85-B Application Field and Working Principle

The 3KP85-B from Littelfuse is a unidirectional TVS diode that is specifically designed for use in audio-visual applications. It is a 5.5V clamping device with an operating voltage range of 6V to 10V. Additionally, it features an 8.0V standoff voltage, which is the voltage at which the device turns on. It is rated for an Ipp of 90A (8/20µs) and an operating temperature range of -55°C to +175°C. The device is UL Recognized and design-verified.

The working principle of the 3KP85-B is quite simple. When the voltage on the device rises above its rated clamping voltage, the internal diodes turn on and begin to conduct. This allows the excess voltage to be redirected and dissipated by the zener junction, thus protecting the connected electronic circuit from dangerous voltage spikes. This type of device is extremely useful in protecting audio-visual applications from power surges, lightning, and other voltage spikes that could potentially damage the connected equipment.

The 3KP85-B from Littelfuse is a reliable and cost-effective solution for protecting audio-visual applications from voltage surges and spikes. It is designed with safety and reliability in mind and is able to provide the necessary protection while maintaining a high level of performance. In addition, it is also RoHS compliant and is specifically designed for use in harsh automotive and industrial environments.

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