Richtek Technology RT9819C-42GV Mounting Type: Surface Mount Number Of Voltages Monitored: 1 Operating Temperature: -40?°C ~ 85?°C Output: Push-Pull, Totem Pole Package / Case: TO-236-3, SC-59, SOT-23-3 Reset: Active Low Reset Timeout: 143 ms Minimum Series: - Type: Simple Reset/Power-On Reset Voltage - Threshold: 4.2V Other Names: 1028-1024-2