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SA48CAHA0G application field and working principle

SA48CAHA0G is a unidirectional surface mount Transient Voltage Suppressor diode. It is one of the most common items for TVS-diodes series, which is designed to protect sensitive electronic components from high-voltage electrical disturbances. It has a wide range of applications in the field of electronic products, such as electrical circuits, displays, multimedia devices, computers, vehicles and even communication equipment, just to name a few.

SA48CAHA0G have a device range of 0.5 to 5.0 volts, typical clamping voltage of 28 volts and peak pulse power of 900 watts. The total package size is very small, which is only about 0.6 mm, so that it can support three-dimensional mounting which make installation easier. In addition, the operating temperature range is very wide, from -55 to 125 degree Celsius. This feature makes it possible for use in extreme environment and industrial production lines.

SA48CAHA0G discharging circuit is a serial resistor-capacitor circuit. It works by using two capacitors connected in series with the two diodes, combined with the internal unit resistor. When the reverse voltage exceeds the breakdown voltage of the diodes, the capacitor on the low voltage side will activate and discharge the stored energy on the high voltage side. Thus, the voltage can be quickly dropped to a safe level.

In conclusion, SA48CAHA0G is a highly versatile Transient Voltage Suppression diode which can be used in a wide range of applications for protection from high voltage electrical disturbances. Its excellent features, such as small package size, wide operating temperature range and quick discharging circuit make it an ideal choice for many applications.

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