SMCG10A-E3/9AT Circuit Protection

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Transient Voltage Suppressor (TVS) diodes are semiconductor components that are specially designed to protect sensitive electronic equipment or motors from electrical overstress or electrostatic discharge. The SMCG10A-E3/9AT TVS diode is a unidirectional, low-leakage, high-power device designed to protect sensitive electronic circuits from damage due to large transient voltages or peaks in current caused by load switching or lightning. It is a passive component that acts as a two-way shunt across the motor or other device being protected. 

The SMCG10A-E3/9AT is designed to be used in high current, voltage clamped circuits, typically in applications such as automotive engine electronics, base station, and signaling and communication equipment. The range includes a client-programmable device with an internal temperature sensor that allows the device to react according to the operating conditions. The device also offers an integrated, programmable thermal protection feature to ensure that the device does not fail due to overheating.

The SMCG10A-E3/9AT has a peak pulse power rating of 1500W (10/1000μs), a peak surge power rating of 750W (8/20μs), and a continuous operating power enjoyment of 100W. It has a low reverse leakage current of < 1μA, a capacitance of < 5pF, an input-to-output breakdown voltage of 11V - 20V, and an operating temperature range of -55°C to +150°C. In terms of electrostatic protection, the SMCG10A-E3/9AT has an ESD immunity of 15kV and a misfire protection of 8kV (HBM). Additionally, the device is RoHS and REACH compliant, and is AEC-Q101 qualified.

The SMCG10A-E3/9AT TVS diode is designed with a simple working principle. It uses a diode to clamps voltage and reduce the maximum voltage that could stress sensitive components to a safe level. When a surge or spike of voltage appears in the circuit, the diode immediately turns it into a single-direction current. This mechanism ensures that the voltage does not exceed the maximum rating of the strongest component in the circuit. The SMCG10A-E3/9AT’s ESD technology works in similar fashion, providing an additional layer of protection to the circuit by quickly detecting and diverting any stray voltage.

The SMCG10A-E3/9AT is an ideal device for protecting circuits against both lightning and electrostatic discharges. Its small size, high power rating, and low leakage current make it an ideal fit for applications such as automotive and communication equipment, medical, and industrial motor controls. The device’s robust construction and integrated thermal protection make it the perfect choice for protecting applications against lightning and ESD strikes.

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