M1.5KE12CA Circuit Protection

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• M1.5KE12CA Application Field and Working Principle

  • Introduction to M1.5KE12CA

    The M1.5KE12CA is a unidirectional transient voltage suppressing diode (TVS diode). As such, it is used to protect sensitive electronic parts, such as integrated circuits and microcircuits, from voltages spikes which may result from electrostatic discharges, inductive switching, radio frequency interference and other sources of electrical surge.

  • Application Fields

    The M1.5KE12CA is used commonly in industrial applications, such as those in the aerospace and automotive industries. The device is also seen frequently in consumer applications, such as personal computers and peripherals, audio/video components, and telecommunications and networking equipment.

  • Working Principle

    The M1.5KE12CA operates by clamping the voltage of an input signal, limiting the voltage seen by the downstream components of a circuit. During normal operation, the device acts like an open circuit and does not affect the signal in any way. When a voltage spike is detected, the device will begin to conduct, dissipating the majority of the surge’s energy over a chosen time constant. This dissipated energy is then released as heat.

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