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XPT4809 - Class AB / excellent THD + N / overheat protection / unity gain stable / superior noise suppression
PQ30VB11 - Variable Output Low Power-Loss Voltage Regulator(Built-in Overheat Shut-Down Function)
XPT9612 - Overheat Protection Audio Power Amplifier
XPT9812 - Overheat Protection Audio Power Amplifier
XPT8403 - Overheating & over-current & overvoltage protection + super noise suppression Audio Processor
PQ05RB11 - Low Power-Loss Voltage Regulators (Built-in Overheat Shut-Down Function)