Giới thiệu Vôn kế DC/AC LM7805 LM7809 LM7812 5V 9V 12V 1.2A
LM7805 LM7809 LM7812 DC/AC Three Terminal Voltage Regulator Power Module 5V 9V 12V Output Max 1.2A
L78XX series power supply module integrates rectification, filter components and voltage regulator chip. It inputs AC or DC voltage within a certain range, can regulate the output DC voltage, and has overheat and overcurrent protection.
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