MAPLAD7.5KP14A Circuit Protection

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Transient Voltage Suppressors (TVS) and Diodes are two important components used in electrical circuits. They are both responsible for providing protection against voltage transients, and helping to maintain the stability of the circuit. The MAPLAD7.5KP14A is a commonly used TVS diode designed specifically for demanding applications such as telecoms, automotive, power supplies, consumer electronics, and other high-reliability applications. This article will discuss the application field and working principle of the MAPLAD7.5KP14A.

The MAPLAD7.5KP14A is a low capacitance, high-power TVS diode that is designed to protect sensitive components from transient over-voltages. It can absorb very high surge currents up to 14A, and can dissipate up to 800W of peak power. The device has a fast response time of just 10ns, and is rated for an extended operating temperature range of -65°C to +175°C. The MAPLAD7.5KP14A is highly reliable, and is ideal for applications requiring strong transient protection and improved EMI/RFI performance. It is UL recognized and meets Mil-STD-202G Method-215F requirements.

The MAPLAD7.5KP14A is a robust and versatile TVS device that can be used in a wide range of applications. It can be used for the protection of signal lines in telecoms equipment, along with providing reverse polarity protection and EMI/RFI filtering for automotive powertrain modules. It can also be used to protect against over-voltage transients in power supplies, consumer electronics, and LED lighting solutions. In addition, the device can also be used as an alternative to ESD suppression devices for enhanced EMI/RFI performance in high-reliability systems.

The working principle of the MAPLAD7.5KP14A is based on the avalanche effect. When the applied voltage exceeds its breakdown voltage, the device enters an avalanche breakdown mode. In this mode, the internal junction of the device is over-stressed and electrons are injected into the depleted region resulting in a sharp increase in current. This current is limited by the device\'s internal resistance and shunt capacitance, allowing it to absorb very high surge currents while dissipating the excess energy as heat.

The MAPLAD7.5KP14A can also be used for the protection of signal lines against electrostatic discharge. When charged particles build up on the surface of the circuit board, the device directs the current away from the sensitive circuits. This helps to prevent damage to the signal lines, and also helps to reduce the noise radiation from the circuit board. The device is capable of withstanding up to 15kV ESD in accordance with IEC 61000-4-2 requirements.

Overall, the MAPLAD7.5KP14A is a highly reliable TVS diode with a wide range of applications. It is ideal for protecting sensitive components from over-voltage transients, and is also capable of providing protection against ESD events. The device has a fast response time, and is rated for an extended temperature range. With its robust design, high power dissipation capabilities, and enhanced EMI/RFI performance, the MAPLAD7.5KP14A is the perfect choice for a wide range of demanding applications.

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