MAPLAD18KP36CA

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TVS (Transient Voltage Suppressor) diodes are commonly used in many applications as they are able to provide superior protection to sensitive components. In particular, the MAPLAD18KP36CA is a popular solution for applications that require a robust level of insulation and protection from high voltage transients (sudden or sharp increases in electrical current). The MAPLAD18KP36CA is a three-terminal (anode, cathode, and guard) TVS diode, with a guard terminal connected to a common reference potential, typically ground.

The MAPLAD18KP36CA provides superior protection against lightning strike, electrostatic discharge, and high-energy transients. The working principle of the MAPLAD18KP36CA is based on a two-stage clamping mechanism which reduces the excessive voltages by diverting the current to ground. The anode of the device is the primary voltage sensing terminal, which is connected to the input line. The anode will end to a positive voltage which triggers the diode to conduct. This will create a short circuit between the cathode and the guard terminal, thereby restricting the flow of current and reducing the transient voltage.

In addition, the MAPLAD18KP36CA employs a ribbon-cord structure which provides excellent thermal stability and reduces the on-chip inductance. This helps in maintaining the low turn-on speed and ensures that the device operates over the wide temperature range of -55°C to 150°C. Furthermore, the device’s on-state resistance is very low, making it ideal for power conditioning and motor protection applications.

The MAPLAD18KP36CA offers several benefits when used for TVS applications. It can be used in high-voltage AC or DC applications, has high surge capability, and is resistant to failure due to overvoltage or current. The device is also capable of providing protection against multiple ESD strikes with minimal latching current. The MAPLAD18KP36CA is most suitable for applications where it is necessary to protect against overvoltage transients such as military, telecom, and industrial equipment. It is also used in automotive, consumer electronics, industrial automation, and medical equipment.

The TVS diode protects against high-current electric surges by diverting the apsect current and voltage away from sensitive components. The MAPLAD18KP325CA diode works in three stages. Firstly, the anode of the device senses a positive voltage, initiating the conduction. Secondly, the device shorts the device between the cathode and the guard terminal, limiting the current. Lastly, the ribbon-cord structure helps reduce the inductance on the chip, allowing for a fast response time.

In conclusion, the MAPLAD18KP36CA three-terminal TVS diode is an excellent component for protecting sensitive components from transient events. It is specifically designed to provide protection from high-voltage surges and ESD strikes. The device can withstand temperature fluctuations from -55°C to 150°C and employes a fast response time in order to protect against the most demanding of applications and environments.

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