SMBJ33C

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The SMBJ33C TVS (Transient Voltage Suppressor) diode is a transient voltage suppressor that uses a bidirectional Breakdown voltage of 33 volts with Unidirectional peak stand-off of 38 volts. It is made specifically for surface mount Technology (SMT) applications.

These SMT TVS diodes provide low capacitance levels for signal line protection. The SMBJ33C is an ideal solution for circuit protection because it can withstand a high surge of energy from incoming signals while still providing low capacitance level. This makes the SMBJ33C suitable for in-line protection of various circuits, such as data and signal lines, USB ports, audio and video equipment and components. The high surge energy capabilities help to prevent system malfunctions during transients and critical operations due to over-voltage.

The SMBJ33C can also be used to protect sensitive components within a circuit in a ESD (Electro-Static Discharge) environment. The SMBJ33C is able to absorb large amounts of energy due to its high clamping voltage, allowing it to be used on even the most sensitive components. The SMBJ33C also features a low capacitance rate of 8 pF, making it ideal for protecting high speed data lines.

In addition to its great protection abilities, the SMBJ33C also offers high speed operation to help minimize disruption to switching times. The SMBJ33C can typically operate from -55°C to +150°C and is perfect for industrial applications. When used to guard against over-voltage, it is important to ensure that the correct Peak Power Dissipation of 600 W is considered at 68°C for maximum reliable operation.

SMBJ33C are often used to limit the voltage of system components in power supply, automotive, and mobile communication systems. In a typical application, for example a 5V system, with a 33V SMBJ33C TVS diode, the 33V diode would activate and clamp the voltage signal protecting the system from higher voltage levels. This is done by the diode ‘clamping’ the voltage signal to 33V during a voltage surge and then discharging that energy through the TVS. The SMBJ33C is a bidirectional diode meaning it is able to protect the circuit from both positive and negative voltage surges.

In summary, the SMBJ33C provides great protection for a range of circuits due to its ability to withstand transients and ESD events. It supplies a low capacitance level for signal line protection and is highly efficient in limiting voltages. The SMBJ33C is typically used in power supply, automotive, and mobile communication systems to protect circuit components against damage due to over-voltage surges.

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