SMDB03C/TR7

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TVS - Diodes are electrical components used in many applications to protect equipment from over-voltage. SMDB03C/TR7 is one of the most popular diodes in this type, it is widely used in various applications, and it has a number of advantages that make it very effective.

The SMDB03C/TR7 is an avalanche diode specifically designed to protect against surge and transients. It has a reverse voltage range from 18V to 230V, and a thermal resistance from junction to ambient of 75 K/W. It features a Pd of 300W, a clamping voltage of 27V, and an operating temperature range from -55°C to 125°C. The SMDB03C/TR7 is widely used in various applications, such as switching power supply, motor driver protection, capacitive charger protection, etc.

The working principle of the SMDB03C/TR7 is based on avalanche breakdown of the p-n junction in the diode. The voltage applied between the p and n sides of the diode causes the current in the diode to increase rapidly. This is known as the avalanche breakdown and is the key to the protection provided by the SMDB03C/TR7. When transient over-voltage is encountered, the current in the diode increases rapidly, and the resulting current surge is diverted away from the protected source.

The SMDB03C/TR7 is designed to clamp the voltage at 27V and limit the current to its rated level. When the over-voltage is greater than the devices rated level, the device can limit the voltage, as well as the current, thus providing protection against over-voltage and over-current conditions. The device also features a high surge capability, which can handle multiple transient events.

The SMDB03C/TR7 is typically used in a transient voltage suppression (TVS) circuit. It is typically used in series with a source that is to be protected from over-voltage or transients. When a transient event occurs, the device will immediately act to clamp the voltage and limit the current, thus protecting the device from damage or malfunction.

The SMDB03C/TR7 is ideal for many applications, especially in automotive and power supply applications. It features a high surge capability, low standby current, low thermal resistance, and a wide operating temperature range, making it an ideal solution for these applications.

Overall, the SMDB03C/TR7 is a versatile diode used for various applications. It is designed to protect against over-voltage and transients, using avalanche breakdown of the diode. It features a high surge capability, low standby current, low thermal resistance, and a wide operating temperature range, making it ideal for many applications, including automotive and power supply applications.

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