a "--'-' §upertex inc. SD3A Ionization Chamber .
BSD3A031LV45 - ESD Protection Diode
M0519SD3AE - 32-BIT MICROCONTROLLER
M071SD3AE - Microcontroller
SD3A - Ionization Chamber Type Smoke Detector
M254SD3AE - Microcontroller
M451MSD3AE - 32-bit Microcontroller