SMAJ4746A-TP Discrete Semiconductor Products

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The SMAJ4746A-TP is a single Zener diode intended for use as a protection diode that is designed to protect vulnerable circuits from overvoltage failure. It can be used in a wide variety of applications, ranging from electrostatic discharge protection in data lines, to power supply protection and surge protection in sensitive electronic systems. The device is designed to have an ultra-low reverse leakage, making it ideal for applications that require maximum protection against reverse bias events.

The SMAJ4746A-TP is designed to have a low forward voltage drop and low capacitance, making it suitable for protecting sensitive electronic components such as transistors, MOSFETs and ICs. It is also capable of handling high peak reverse voltage levels, allowing it to handle large voltage spikes in noisy environments. The device is also optimized for applications with low EMI, reducing the risk of circuit malfunction due to electromagnetic interference.

The working principle of the SMAJ4746A-TP Zener diode is based on the Zener effect. When a voltage is applied across its terminals, the device will allow current to flow in the forward direction. However, when the voltage exceeds the breakdown voltage value of the diode, the device will begin to conduct in the reverse direction, limiting its breakdown voltage. The diode also acts as a voltage limiter, protecting sensitive circuits from being overstressed by high voltages.

The SMAJ4746A-TP Zener diode is suitable for use in a wide variety of applications, ranging from consumer electronics to industrial and military equipment. It can be used in high voltage power supplies, electrostatic discharge protection circuits, general voltage protection, and surge protection in high noise environments. It is also suitable for use in switch-mode DC-DC converters and radio frequency circuits, where high peak current and low forward voltage needs to be maintained.

The SMAJ4746A-TP, by virtue of its high breakdown voltage, fast response time and low reverse leakage current, is an excellent choice for over-voltage protection applications. Its low forward voltage drop and low capacitance also make it suitable for use in sensitive electronic systems. Its fast response time means that it can react quickly to over-voltages, providing quick and effective protection to vulnerable circuits.

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