SMCJ45A-M3/57T

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TVS - Diodes are becoming increasingly popular among electrical engineers in industrial, automotive, consumer, medical and aerospace systems. SMCJ45A-M3/57T is one of these TVS - Diodes and it is used as an effective means to protect sensitive electronic components from transient voltage and current spikes. This article will explain the application field and working principle of SMCJ45A-M3/57T.

SMCJ45A-M3/57T is a widely used bi-directional TVS diode component. It is designed to protect sensitive electronic components in industrial applications from transient voltages and current spikes. It can be used in a variety of industrial situations, such as automotive, consumer, medical and aerospace systems. The component offers avalanche breakdown characteristics and excellent surge capability, which makes it capable of protecting sensitive circuit components from external transients up to a surge of 57A on a 10/1000 µs peak impulse.

The application field of SMCJ45A-M3/57T covers a wide range, such as overconsumption, electrical crankshaft sensors and CAN Bus systems as well as key fobs and remote controllers. It can also be used as a secondary protection in DC-DC converters, with its series connected capacitors. The component can be used to protect the various components in the power supplies, such as semiconductors and passive components.

In terms of the working principle, SMCJ45A-M3/57T has an ultra-fast reverse-recovery characteristic that provides excellent surge capability. It features a zener voltage of 15V and a maximum breakdown voltage of 35V. In a circuit, the component is designed to short-circuit the transient voltage or current spike. When a transient voltage is detected, the TVS diode will conduct current and provide additional clamping voltage. This will reduce the impulsive peak voltage to a much lower level and protect the circuit components from damage.

In conclusion, the SMCJ45A-M3/57T is a widely used bi-directional TVS diode component and it offers excellent surge capability. It can be used in industrial applications such as automotive, consumer, medical and aerospace systems. It has an ultra-fast reverse-recovery characteristic which provides a zener voltage of 15V and a maximum breakdown voltage of 35V. The component is designed to short-circuit transient voltage and current spikes and protect sensitive circuit components from damage.

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