SL641C. Assembly/installation: PCB through-hole mounting. Collector current: 10mA. Housing (according to data sheet): TO-78. Housing: TO-78. Marking on the case: SL641C. Number of terminals: 8. Operating temperature: -30...+85°C. VCC: 6V. Original product from manufacturer: Semiconductors. Quantity in stock updated on 13/11/2025, 11:44