1.5KE68CAE3/TR13

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TVS (Transient Voltage Suppressors) diodes are used for protection against electrical transients ranging from low voltage switching transients such as electrostatic discharge (ESD) all the way up to lightning. This article will focus on 1.5KE68CAE3/TR13 TVS diode and its application field and working principle.

Application Field

The 1.5KE68CAE3/TR13 TVS diode can be used to protect signal-level interfaces such as Ethernet ports, USB ports, and HDMI ports from voltage transients. It has a breakdown voltage of 6.6V and a maximum ESD (Electrostatic Discharge) clamping voltage of 36V. It also has a maximum peak pulse current capability of ±8.5A, meaning that it can withstand high current pulses without damage. In addition, it has a low response time of 7ns, which makes it suitable for high-speed data communication systems. Moreover, the 1.5KE68CAE3/TR13 is RoHS compliant, meaning that it does not contain any hazardous materials, making it an ideal choice for low power applications.

Working Principle

TVS diodes are often referred to as "clamping diodes" because they are used to clamp an incoming transient voltage, directing it to a safe electrical discharge path. The 1.5KE68CAE3/TR13 TVS diode operates by providing a low resistance path to ground when the voltage exceeds its breakdown voltage. This low resistance path allows the transient voltage to be discharged to ground, thus protecting the device from damage. This characteristic is known as clamping, as it prevents the voltage from exceeding the breakdown voltage.

When an electrical transient occurs, the 1.5KE68CAE3/TR13 TVS diode begins to conduct current, allowing the transient surge to be safely discharged. The diode reverts back to its open circuit state as soon as the transient has passed, allowing normal electrical operation to resume.

In summary, the 1.5KE68CAE3/TR13 TVS diode is a transient voltage suppressor which can be used to protect signal-level interfaces such as Ethernet ports, USB ports, HDMI ports, and other high-speed data communication systems from voltage transients. It has a low breakdown voltage, a maximum peak pulse current capability of ±8.5A, and a low response time of 7ns. It is also RoHS compliant, making it an ideal choice for low power applications.

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