MAP5KE15A

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A TVS diode, such as the MAP5KE15A, is an example of transient voltage suppression device. It is designed to suppress high energy transient surges on power lines and signal lines. The device is a fast-reacting, low-capacitance, low-profile diode designed to provide robust protection for data and power lines against surge events typically caused by lightning or electrostatic discharge.

The MAP5KE15A is a Unidirectional (Bi-directional) TVS Diode array, it offers 1500 W peak pulse power (tp = 8/20 μs) capability per line and 400 Watts of peak impulse power (tp = 8/20 μs) for 10/1000 μs waveforms. The device offers excellent EOS (Electrical Overstress) and ESD (Electrostatic Discharge) protection. It is available in a low profile, surface-mount 3-pin SMC package.

The working principle of the MAP5KE15A is quite simple. It acts as a reverse conductive device, which turns on when the voltage across it exceeds the reverse breakdown voltage, VBR. When this happens, the device conducts current, limiting the voltage seen by the downstream devices. Once the voltage drops below the built-in clamping voltage, VCL, the device turns off. This is known as the \'avalanche breakdown\' operation.

The MAP5KE15A is typically used in applications where reliable and robust ESD and EOS protection is required. Typical applications include high-speed data lines such as Ethernet, USB, and other sensitive bus systems, as well as AC/DC and DC/DC circuits. It is also used in mobile phones, LTE-U and 5G base statio

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