SA5.0AHR0G Circuit Protection

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TVS-Diodes: SA5.0AHR0G Application Field and Working

TVS-diodes, also known as transient voltage suppressors (TVS), are a type of semiconductor diode designed to protect sensitive electronic circuits from voltage spikes caused by Electro Magnetic Interference (EMI), lightning or other events. They comply with a specific safety standard and are used in many different applications, including automotive electronics, medical devices, military systems, telecommunications and office equipment.

The SA5.0AHR0G is a unidirectional diode designed to protect sensitive electronic circuits against static discharge (ESD) and transients induced by lightning and other high-energy sources. It is suitable for various applications, ranging from industrial to medical, from automotive to office. It also complies with IEC/EN61000-4 requirements.

Working Principle

When a voltage higher than its forward breakdown voltage is applied, the TVS diode begins to conduct current. This is known as the clamping action. The diode’s internal structure is such that the clamping voltage is only slightly higher than the breakdown voltage. This helps protect sensitive circuits from instantaneous voltage spikes.

The SA5.0 AHR0G starts to conduct current when the applied voltage reaches 5V. It is rated to withstand a maximum peak reverse voltage of 2.4kV. At this voltage, it will turn on and clamp the voltage to its breakdown voltage of 5V. The peak reverse voltage can be increased further depending on the duration of the voltage spike. It is capable of handling high power transients of up to 1.25A over a short period of time.

Applications

The SA5.0 AHR0G is used in a variety of applications, including automotive electronics, telecommunications systems, medical devices, office equipment and industrial systems.

In automotive electronics, the SA5.0 AHR0G provides protection against voltage spikes caused by reverse-battery polarity, load dump, and electrical transients.It is certified to AEC-Q101 standards to ensure highest quality and reliable protection against overvoltage transients.

In telecommunications systems, the SA5.0 AHR0G provides protection against high-energy surges transmitted by lightning strikes. The device prevents damage to sensitive electronic components inside the system.

In medical devices, the SA5.0 AHR0G prevents voltage spikes from contaminating the device’s internal components and damaging them. It is suitable for high quality medical devices such as electrocardiography and ultrasound machines.

In office equipment, the SA5.0 AHR0G helps protect sensitive electronic components against power surges and spikes generated by power supply lines. This is important as office equipment typically contains a variety of electrical components which can be damaged by such surges.

In industrial systems, the SA5.0 AHR0G serves as a reliable protection against voltage surges caused by lightning strikes or high energy transients. It helps prevent damage to sensitive electronic components in the system.

Conclusion

The SA5.0AHR0G is a unidirectional diode designed to protect sensitive electronic circuits against ESD and transients induced by lightning and other high-energy sources. It is suitable for a wide range of applications, from automotive electronics to office equipment, from medical devices to industrial systems. It is also certified to AEC-Q101 and IEC/EN61000-4 standards to ensure highest quality and reliable protection against overvoltage transients.

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