SMDA03C-5/TR13

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Transient voltage suppressors (TVS) diodes are components that are designed to protect vulnerable circuits from overvoltage conditions. The SMDA03C-5/TR13 is one such voltage suppressor, and it is widely used in many different applications, from automotive electronics to computer peripherals.

The SMDA03C-5/TR13 is a part of the SMD Zener Diode Family of transient voltage suppressors. This product is designed to protect circuit boards from voltage-induced failure due to ESD, EFTs, electrical transients, and similar overvoltage events. This diode comes in a compact, IC-compatible package while providing low capacitance for transmission line EMF protection.

The SMDA03C-5/TR13 is designed to provide fast clamping action with excellent protection characteristics, low leakage current with fast response times, and superior thermal resistance. It is composed of three components: a junction diode, a Zener diode, and a resistor. The junction diode clamps the transient voltage while the Zener diode assures voltage clamping accuracy. Finally, the resistor is used to limit the current.

The SMDA03C-5/TR13 can be used in a wide range of applications, such as automotive electronics, consumer electronics, laptop computers, and digital and analog circuit designs. Other potential applications include power supplies, telecommunication systems, and medical equipment. This device is also suitable for use in the protection of signal lines, data lines, and on/off power supplies.

The working principle of the SMDA03C-5/TR13 is based on the fact that whenever an overvoltage is applied to the device, it will be clamped and dissipated through the resistive elements. The device is designed to clamp the voltage to a maximum of 13 volts, which means that the device will be able to handle higher voltage levels without being damaged.

When the device is subjected to an overvoltage, the junction diode will be forward-biased and start to conduct current. The Zener diode will then be reverse-biased and become an open circuit. At this point, the voltage across the device will be limited to the Zener voltage, which in this case is 13 volts. The resistor will then limit the current flowing through the device, ensuring that it does not exceed its rated peak current.

In summary, the SMDA03C-5/TR13 is a transient voltage suppressor (TVS) diode specifically designed to protect circuit boards from ESD, EFTs, electrical transients, and similar overvoltage events. It comes in a compact, IC-compatible package, with low capacitance for transmission line EMF protection, fast clamping action, low leakage current, fast response times, and superior thermal resistance. Its applications include automotive electronics, consumer electronics, laptop computers, and digital and analog circuit designs. The working principle of the device is based on its junction diode, Zener diode, and resistor, which together provide voltage clamping and current limit protection.

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