BZT03C82-TR Circuit Protection

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TVS diodes, or transient voltage suppressors, are devices used to protect against voltage transients and surges. The BZT03C82-TR is a type of TVS diode designed for automotive applications. It is designed to limit voltage transients on the data bus lines of automotive controllers, reducing their susceptibility to fault or breakage. This diode is particularly well-suited for applications that require very low on-resistance and fast response time.

The BZT03C82-TR is a bidirectional Zener diode with an integrated current clamp. It has a maximum breakdown voltage of 18 V, a maximum forward current of 3 Amps, and a maximum reverse current of 85 Amps. The reverse leakage current is relatively low and can be adjusted using external components. It has a low input capacitance of 8 pF, ensuring that it responds quickly to changes in voltage.

The diode\'s compact form factor and low voltage drop make it ideal for automotive applications. It has a wide operating temperature range of -55 to 150°C and is rated for up to 4,000 V of ESD protection, so it is suitable for harsh environments. The diode is also RoHS compliant, meaning it is free of hazardous materials such as lead and other toxins. In addition, it is UL and CSA certified, making it suitable for a range of applications.

The BZT03C82-TR works by absorbing the transient voltages and redirecting them into a safe place. It does this by using a reverse voltage-protection circuit. This circuit forces as much current as possible through the diode, so that the voltage is distributed evenly throughout the circuit. The diode also acts as a resistance to the transient current, limiting the total amount of current that can flow through the circuit.

In application, the BZT03C82-TR is installed in parallel with the data bus lines and is responsible for clamping the transient voltages. When the transient voltage exceeds the threshold of the diode, it will clamp the voltage and protect the electronics from any potential damage. It also serves to reduce electromagnetic interference, ensuring a stable signal on the data bus.

The BZT03C82-TR is a versatile TVS diode designed for automotive applications. Its high voltage and current ratings, fast response time and ESD protection make it ideal for protecting automotive controllers from fault or breakage due to voltage transients. It is also small and lightweight, making it easy to install, and its RoHS compliance allows for safe and reliable operation in a wide range of environments.

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