MAP6KE91CAE3

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MAP6KE91CAE3 is a 600 W ultra-fast transient voltage suppressor (TVS) diode produced by STMicroelectronics. It has low capacitance, excellent clamping capability and very fast response time, making it ideal for protecting sensitive equipment by safely clamping high voltage transients and spikes.

The MAP6KE91CAE3 TVS diode is designed to provide robust overvoltage protection for automotive applications. It is mainly used for electrostatic discharge (ESD) protection of automotive data signals and can withstand repetitive ESD pulses up to 8 kV (HBM). It can also be used for battery overvoltage protection and electrostatic discharge protection for the automotive electronics. Its low capacitance of only 2.5 pF enables the diode to protect data interfaces sensitive to capacitive loading.

The MAP6KE91CAE3 TVS diode is built in a two-pin epoxy package. Its working principle is based on avalanche multiplication, wherein the free electrons are multiplied due to avalanche breakdown. When a voltage greater than the breakdown voltage is applied across the diode, it triggers the avalanche multiplication process in which the free electrons are multiplied rapidly. This process results in the diode clamping the voltage signal and preventing any further increase in voltage.

In terms of reliability, the diode is rated to withstand transient voltage up to a peak pulse power up to 600 W. It also has a low forward voltage drop of 2.6 V when conducting and releases only a small amount of heat due to its low power dissipation. The diode is also resistant to moisture and has outstanding stability in harsh environmental conditions, making it suitable for automotive applications.

To sum up, the MAP6KE91CAE3 TVS diode is a reliable and robust overvoltage protection device for automotive applications. It has low capacitance, excellent clamping capability and very fast response time, making it an ideal choice for protecting automotive electronic components from overvoltage as well as electrostatic discharge.

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