MAPLAD30KP180CA

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TVS - Diodes

Transient Voltage Suppression (TVS) diodes are devices designed to safeguard electronic circuits from voltage spikes caused by electrostatic discharge (ESD), electrical overstress (EOS) and electromagnetic interference (EMI). In a wide variety of applications, including automotive, industrial, consumer and telecommunications, they are widely used.

The MAPLAD30KP180CA is an unidirectional TVS diode in a VDFN3_DCK package that is widely used in automotive and industrial applications. Its capacitance and peak pulse power rating of 30 kilovolts and 180 Watts respectively, make it ideal for a wide variety of applications. This device is also RoHS compliant and can operate over a temperature range of -55°C to +150°C.

Working Principle

MAPLAD30KP180CA is constructed based on the principle of the p-n junction in which two doped layers are present. When an input voltage exceeds the breakdown voltage of the junction, the diode will conduct current. During normal operating conditions, the junction maintains a blocking state, preventing the reverse current from flowing. As soon as the input voltage exceeds the breakdown voltage, it will trigger an avalanche breakdown which will cause the diode to rapidly conduct current.

When an ESD or EMI event occurs, the input voltage will increase beyond the threshold of the device, resulting in a low-impedance transient voltage that is diverted through the diode. This transfer of energy to the device takes place very quickly, reducing the frequency of the transient voltage which will help protect the circuit from damage.

The device is designed to protect against ESD and EMI events that include both fast transient pulses and slow-rise transients. For maximum protection, the device should be used in conjunction with a capacitor or an appropriate filtering network. The diode can also be used as an input protection device for switching power supplies and other high-voltage circuits.

The MAPLAD30KP180CA provides superior protection from ESD and EMI transients, while operating over a wide temperature range of -55°C to +150°C. With its industry leading capacitance and peak pulse power rating, it is suitable for a wide variety of applications, including automotive and industrial applications. This device is available in both surface mount and through-hole packages.

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