MAP5KE6.5CA

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A Transient Voltage Suppression Diode (also known as TVS Diode) is a specialized type of diode designed to protect sensitive electronic components from electrical transients, such as electrostatic discharge (ESD), electrical surges, and voltage spikes. The MAP5KE6.5CA is an example of a TVS Diode which is designed for applications requiring low breakover voltage and high surge capability. This diode has an operating voltage of 6.5 volts with a reverse leakage of ≤1.0 µA. It also has an ESD protection of up to 8kV and a surge current capability of 11A (8/20µs).

Application Field

The MAP5KE6.5CA TVS Diode is primarily designed for automotive applications. It is also suitable for use in communication systems, industrial control systems, automotive power systems, power supply systems, low-voltage systems, and computers. Due to its superior surge and ESD protection capabilities, it is especially suitable for applications where high surge protection is needed.

Working Principle

The MAP5KE6.5CA TVS Diode functions as a bidirectional device, which means it can protect against both positive and negative transients. It works by conducting current above a certain voltage, known as its "breakover voltage". This breakover voltage is designed to be lower than the maximum allowable operating voltage of the device, so it will not cause any damages to the protected component.

The diode begins working during an event causing a negative voltage. During this time, the diode blocks the negative voltage and will stay in the "non-conductive" mode until the voltage reaches the breakover point. At this point, the diode will begin conducting current, clamping the voltage and protecting the device from further damage.

For positive voltage events, the diode begins conducting current when the diode has a higher voltage. After the peak voltage has been clamped and the current starts flowing, the voltage levels begin to decrease. Then, once the voltage reaches the "breakover voltage" again, the diode will stop conducting current and will return to the non-conductive state.

The MAP5KE6.5CA TVS Diode is designed to protect against transient voltage and ESD during system startup and operation. The diode is also designed to meet the latest automotive standards for surge protection. This makes it a great choice for automotive applications.

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