KA2803B - onsemi

Description: Low power consumption: 5mW, 100V/200V; Built-in voltage regulator; High-gain differential amplifier; 0.4mA output current pulse to trigger SCRs; Low external part count; High noise immunity, large surge margin; Super temperature characteristic of input sensitivity; Wide operating temperature range:TA= -25°C to +100°C; Operation from 12V to 20V input