SMDB03CE3/TR13 Circuit Protection

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Transient Voltage Suppressors (TVS) Diodes can be used to protect electric or electronic circuitry from high voltage transients. The SMDB03CE3/TR13 is a unidirectional TVS device that is designed to limit voltage transients on a circuit. It is widely used in various applications where overvoltage protection is required.

The SMDB03CE3/TR13 is a small, surface mount diode package with a power dissipation of 500 mW and a standoff voltage of 13 V. It has a typical capacitance of 5 pF when rated for a voltage of 13V. It has a maximum surge current rating of 100A and an operating temperature range of -55°C to +150°C. Its maximum leakage current is 0.5 mA.

The SMDB03CE3/TR13 is typically used to protect automotive and consumer electronics from voltage transients. These transients can be caused by load dump, load dump reverse voltage, electrostatic discharges, and other overvoltage events. The device can be used to protect relatively low power circuits from voltage transients up to 500V.

The working principle of the SMDB03CE3/TR13 involves clamping the voltage on the power line to the specified value. As the voltage exceeds this value, the clamping voltage is activated. This causes the current to be diverted through the diode, which prevents the voltage from exceeding the specified maximum rating. In turn, this protects the sensitive electronics on the line.

In addition to the protection of electronic circuitry, the SMDB03CE3/TR13 can also be used to provide electrostatic discharge protection. The device can be connected in series with the circuit to provide ESD protection up to a voltage of 8 kV. It is also suitable for automotive applications, where it can be used to suppress voltage transients caused by load dump, load dump reverse voltage, and other overvoltage events.

The SMDB03CE3/TR13 is also used to provide surge protection. It provides surge protection for circuits up to 500V. It is also used to provide an EMC filter in applications such as power line noise reduction and for the prevention of triboelectric noise in signal lines. The device can be used in applications such as automotive, industrial, consumer electronics, medical, and telecommunications.

Overall, the SMDB03CE3/TR13 is a versatile device that is used for overvoltage protection, ESD protection, and surge protection. It is a small, surface mount diode package with a power dissipation of 500 mW and a standoff voltage of up to 13V. It can be used to protect sensitive low power circuits from overvoltage and transient events, and is suitable for a wide variety of applications, including automotive, consumer electronics, medical, industrial and telecommunications.

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