Comparators LM311D SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL LCSC Part Number: C2972032 JLCPCB Part Class: undefined Manufactured by ST(意法半导体)

Comparators LM311N DIP-8_L9.8-W6.6-P2.54-LS7.6-BL LCSC Part Number: C434572 JLCPCB Part Class: Extended Part Manufactured by HGSEMI(华冠)

Comparators LM311MX SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL LCSC Part Number: C2864605 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器)