SA15AHE3/73 Circuit Protection

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Transient Voltage Suppression (TVS) diodes are solid state devices used to protect a circuit from the destructive electrical events such as surge, spike, or electrostatic discharge (ESD). They are used in a variety of applications ranging from consumer electronics and automotive applications to industrial, military, and aerospace applications. One such TVS diode is the SA15AHE3/73. This article will discuss the application field and working principle of the SA15AHE3/73.

The SA15AHE3/73 is a unidirectional transient voltage suppressor diode which is designed specifically for applications with a low-clamping voltage and very low on-state resistance. It has a low capacitance design so it can protect signals up to GHz frequencies. It is very useful for applications in automotive, power supplies, telecommunication systems, portable systems, computer circuitry, and transceivers.

The main application field of the SA15AHE3/73 is in those areas which require the protection of high-speed sensitive signaling circuits from transient overvoltages caused by induced electrostatic discharge (ESD) or lightning (NEMP) events. It is an excellent choice for protecting small signal circuits from electromagnetic interference and electrostatic discharge. The device can also be used in clamping applications ensuring that any transient voltages beyond a certain level will be quickly discharged.

The working principle of the SA15AHE3/73 is based on its avalanche breakdown property. When the voltage across the diode exceeds the diode\'s breakdown voltage, the diode begins to conduct current. This current creates a voltage drop on the diode and limits the peak voltage to a safe level. This allows for the protection of the downstream circuitry from voltage spikes. A TVS diode can also be used for transient voltage suppression due to its ability to absorb and dissipate the energy from the transient voltage surge.

The SA15AHE3/73 is designed to offer low leakage currents in order to reduce power lost due to the leakage. It features an ultra-low stand-off voltage and exceptional power handling capability. All these features make it a suitable device for use in high-speed digital and analog applications. The SA15AHE3/73 is an excellent choice for protecting circuits from transient and ESD overvoltages.

In conclusion, the SA15AHE3/73 is a unidirectional transient voltage suppressor diode which is designed for a variety of applications. It has a low-clamping voltage, low capacitance, and low on-state resistance. The main application field of the SA15AHE3/73 is in those areas that require the protection from transient overvoltages caused by induced electrostatic discharge (ESD) or lightning (NEMP) events. The working principle of the SA15AHE3/73 is based on its avalanche breakdown property. All these features make it an excellent choice for applications in automotive, power supplies, telecommunication systems, portable systems, computer circuitry, and transceivers.

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