SMAJ150-E3/61

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TVS diodes are essential components in the field of circuit protection, helping to prevent damage to sensitive electronics by suppressing electrical overstress (EOS). The SMAJ150-E3/61 is one such TVS diode that provides such protection, primarily for overvoltage transients in automotive applications. It is a four-terminal axial lead diode, approaching the shape of a cylinder, with a specified low capacitance and fast response time.

The SMAJ150-E3/61’s working principle is based on its two specific characteristics - breakover voltage and clamping voltage. The breakover voltage, also called the peak pulse voltage of the diode, is the threshold voltage level above which the protection of exposed circuits begins. This is usually an important parameter when specifying TVS diodes for automotive electronics protection applications. Once the electrical overvoltage transients exceed the breakover point or threshold, the diode turns on, thereby providing protection against the overvoltage condition.

The clamping voltage is the second important characteristic of the TVS diode. It is the maximum voltage that the diode can sustain before it fails. This is usually specified at 12V for SMAJ150-E3/61 TVS diodes, and should never be exceeded in any application.

Aside from automotive electronics protection, the SMAJ150-E3/61 is also suitable for use in a variety of other applications. These include point of sale systems, cellular telecom systems, computers, LCD monitors, DTV set top boxes, industrial control systems, LED display systems, and more. The SMAJ150-E3/61 provides ideal protection against over voltages, under voltages, high-energy transients, and power switch transients in these various systems.

In addition, the SMAJ150-E3/61 is also designed to protect against load dump transients in automotive applications. Load dump transients are generated when the vehicle’s electrical system is suddenly switched off or shorted due to a short circuit. In this type of situation, the SMAJ150-E3/61 diode will limit the voltage transients by clamping, thus protecting the circuit from these high voltages.

The SMAJ150-E3/61 is a low capacitance TVS diode, providing fast response times and low power loss when exposed to overvoltage transients. As such, it is ideal for protection against transients in automotive, computer, and industrial applications, as well as other systems. Its breakover and clamping voltages provide the main protection functions. Furthermore, the SMAJ150-E3/61 is a rugged and robust component, providing both the performance and reliability needed in these applications.

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