SP521 datasheets – compare manufacturers

Manufacturer Part Number Description
Seiko Logo Seiko Instruments SP521 LCD
ISOCOM Logo ISOCOM ISP521-4 (ISP521-x) HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS
Silicon Power Microelectronics Silicon Power Microelectronics SP5210 High Precision PSR LED constant current driver chip
ISOCOM Logo ISOCOM ISP521-2 (ISP521-x) HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS
ISOCOM Logo ISOCOM ISP521-1 (ISP521-x) HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS
Silicon Power Microelectronics Silicon Power Microelectronics SP5215F High Precision PSR LED constant current driver chip