Cherry semiconductor
5V, 500mA Linear Regulator with ENABLE, , and Watchdog RESET
Ericsson
Voice - switched 2-channel Circuit with loudspeaker amplifier
Sharp Electronics
DIP 4pin High CMR, AC Input, Low Input Current Photocoupler
Fujitsu
D/A Converter for Digital Tuning (With Built-in OP Amp and I/O Expander)
Sharp Electronics
AC Input, Low Input Current Type Photocoupler
Sharp Electronics
DIP 4pin High CMR, AC Input, Low Input Current Photocoupler
Shenzhen Tenand Technology Co., Ltd.
High Transfer Efficiency AC Iuput Type Photocoupler
Sharp Electronics
AC Input, Low Input Current Type Photocoupler