Product basic info Primary colours: Black Depth unit: ± 8 mm Height unit: ± 6.6 mm Width unit: ± 19 mm Weight unit: ± 2.17 g Physical properties Number of channels: 4 Housing type: DIP 16 Electrical data Forward current if: 60 mA DC Isolation voltage: 2500 V Forward voltage (Vf): 1.25 V Collector emitter voltage (Vceo): 70 V Current transfer ratio (CTR): 100 % Operational properties Output type simple select: Transistor output Electrical connections Number of pins: 16 (EN)