B3104UARP

Series:	Battrax®
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Clamping:	Adjustable
Technology:	Mixed Technology
Number of Circuits:	1
Applications:	SLIC
Mounting Type:	Surface Mount
Package / Case:	6-SMD, Gull Wing
Supplier Device Package:	MS-013

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Introduction

The B3104UARP is an electronic device used to protect electronic components from transient overvoltage. The device is made up of a variety of components that interact with each other to provide the desired protection. The device operates by detecting a transient overvoltage and switching on a fast protective action to limit the amount of current that can flow into the protected circuit. B3104UARP is classified as a Transient Voltage Suppressor (TVS) and a Mixed Technology device.

Application Field of B3104UARP

B3104UARP devices are designed for transient protection in a wide range of applications, specifically designed for LPTVs, LCD TVs and other electronic products. Depending on the application, the device can be used to protect the system from environmental noise, electrostatic discharge, power surges and voltage transients. It can be used for signal and data transmission lines, power supply lines, and analog signal lines.Due to its low threshold of 8V for peak pulse current (IPP), high-varistor voltage (VWM) and overvoltage clamping voltage (VCL) of 33V (max), the B3104UARP is ideal for many overvoltage protection applications in the consumer electronics industry.

Working Principle of B3104UARP

The B3104UARP is a mixed technology device that operates mainly by detecting transient overvoltages and switching on a fast protective action to limit the amount of current that can flow into the protected circuit. Specifically, it uses surface mount multilayer varistors for protection. When an overvoltage event occurs, the multilayer varistors, along with a series of protection elements, will activate and limit the amount of current that can enter the protected circuit. varistors reduce the harmful voltage spikes driven by the overvoltage events by dissipating the energy across an internal junction. This is done by increasing their resistance when a high voltage is present, thus preventing a massive current surge from entering the circuit and causing damage. After the surge is absorbed the resistance of the varistors drops back to the original value.The B3104UARP provides overvoltage protection by the means of a series of elements, including:1. An overflow diode: this diode redirects current away from the protected circuit, thus protecting it from overvoltage events. 2. A series resistor: this component limits the amount of current that can pass through the device.3. A series Zener diode: this component protects the device from damage in case the voltage exceeds the operating parameters.4. A Thermal Management Circuit: this component prevents the device from becoming too hot due to excessive current. 5. An Electrostatic Discharge circuit: this component diverts electrostatic discharge away from the protected circuit. Additionally, the B3104UARP uses a surge limiting resistance, a temperature compensation resistor, and an oxide layer to provide excellent overvoltage protection.

Conclusion

The B3104UARP is a Transient Voltage Suppressor (TVS) and a Mixed Technology device designed for overvoltage protection applications in consumer electronics. Its low threshold of 8V for peak pulse current (IPP), high-varistor voltage (VWM) and overvoltage clamping voltage (VCL) of 33V (max) make it ideal for applications requiring precise overvoltage protection. The device works by using multilayer varistors, an overflow diode, a series resistor, a series Zener diode, a Thermal Management Circuit, an Electrostatic Discharge circuit, a surge limiting resistance, a temperature compensation resistor, and an oxide layer. These components work together to protect the protected circuit from damage while allowing it to remain functional.

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