SMAJ150A-M3/61

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Today’s modern electronics applications require increasingly compact and small-scale components that deliver high levels of performance while consuming minimal power. The development of ultra-low capacitance transient voltage suppression (TVS) diode arrays for these applications is now a reality. This article will discuss the SMAJ150A-M3/61 TVS diode array and its potential application field and working principle.

The SMAJ150A-M3/61 is a unidirectional, ultra-low capacitance, mid-range peak power rated transient voltage suppressor (TVS) diode array. The AC surge 10 x 1000 μs operating waveform of this device can allow up to 150 Volts peak surge voltage. The device is designed to protect sensitive electronic equipment from damage caused by transients such as ESD, line surges, or transients caused by lightning or induced electrostatic discharges. It offers a high degree of protection from high-energy transients up to a power rating of 1500 watts.

The SMAJ150A-M3/61’s integrated circuit configuration provides maximum performance at the lowest possible cost. The device is housed in a compact, surface mountable package, which makes it ideal for applications where space is limited. The device’s low capacitance provides fast response to fast transients, and its low on-state resistance provides superior conduction path for higher surge current, thus making this device suitable for high-performance, high-reliability applications.

The SMAJ150A-M3/61 can be used in a variety of applications such as telecoms and other equipment, digital signal processors, and other high-speed device protection applications. The device can also be used in high-speed switching applications where low power dissipation is critical. Its construction and circuit parameters also allow it to be used effectively in point-of-load power supply and battery charger protection.

The working principle of SMAJ150A-M3/61 TVS diode array is based on the avalanche effect of a diode in reverse biased condition. When the power voltage exceeds a certain level, the diode tends to switch from a low voltage to a high voltage level, thereby clamped the power voltage, suppressing the transient voltage and/or current. The device is designed in such a way that it can protect from multiple ESD and lightning-strikes without performance degradation during its lifetime. When a high reverse surge voltage is applied to the device, it is capable of sustaining a surge energy of up to 1500 Watts and protecting the equipment connected to it.

To conclude, the SMAJ150A-M3/61 TVS diode array is ideal for applications requiring high-speed operation and reliable protection from transients and noise. Its low-capacitance structure, combined with its ability to handle high peak surge currents and voltages, makes it suitable for many applications, including telecom, industrial, automotive, medical, and consumer electronics. With its superior surge capability and small size, the SMAJ150A-M3/61 is an excellent choice for providing effective transient voltage protection in these applications.

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