SMBJ180E3/TR13

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The SMBJ180E3/TR13 is part of an array of TVS—diodes which offers a broad range of protectors for electrical and electronics systems. These devices are designed to protect the systems in the event of electric transients caused by lighting, switching or accidental short circuits, and feature excellent clamping capability and typically low dynamic resistance.

The SMBJ180E3/TR13 is designed to suppress electrical transients in applications such as reverse and direct power supplies, switched mode power supplies, communication systems, signal lines, tee gradients and computer peripherals. These TVS diodes have a wide range of breakdown voltages which can be tailored to the individual application.

The greatest advantage of these TVS diodes is their fast reaction time which ensures that the electronics remain protected in the event of an electrical transient. The Ultra-Fast Turn-On Time (UFET) and the temperature rise threshold (TRT) provides superior protection and ensures highest efficiency. In addition, the clamping voltage of the TVS diodes is fairly low, which is vital for efficient protection in the event of an inadvertent high-dV/dt event.

The SMBJ180E3/TR13 features excellent surge capability of up to 150A peak pulse current and has a maximum working voltage of 175V. It provides an operating temperature range of -65°C to +150°C and is available in the D-PAK, SMA, DO-213, SOD-323, SOD-123 and SC-75 packages.

The working principle of this device is simple yet effective. When a transient exceeds the clamping voltage of the TVS diode, the diode starts to conduct, allowing current to flow freely. This reduces the surge and spikes and helps to protect the circuit from any potential damage due to the electrical transient. The short-circuit current will then be limited by the fused IGBT module. The TVS diode will then be restored to its original voltage quickly after the transient has passed. The SMBJ180E3/TR13 is designed so that the dynamic resistance is low at the positive temperature coefficient (PTC) value, helping to limit the surge and spike of voltage.

The SMBJ180E3/TR13 is a reliable device with excellent surge capabilities. It has a low dynamic resistance which helps to protect the circuit from electrical transients, and its fast reaction time and short-circuit current limiting make it an effective protector. It is the ideal choice for a broad range of applications, including reverse and direct power supplies, switched mode power supplies, communication systems, signal lines and computer peripherals.

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