Seestern Semicon Optocoupler

Seestern Semicon’s Optocouplers combine an infrared LED with a phototransistor to provide reliable optical isolation and electrical signal transmission. 

Key Features
•High Current Transfer Ratio (CTR) up to 600%
•High Isolation Voltage up to 5000 Vrms
•Excellent Anti-Interference Capability for complex electromagnetic environments
•Low Power Consumption, ideal for a wide range of low-power applications
•Compliance with RoHS, REACH, and Halogen-Free requirements
•Certified by CQC, UL, VDE and other safety standards
 
Package Options
SSOP4, SOP4, LSOP4, LSOP5, DIP4/SMD4, DIP6/SMD6
 
Product Grades
Automotive Grade • Industrial Grade • Consumer Grade
 
Typical Applications
•Power Electronics: Switching power supplies, UPS, and power modules for feedback control and signal isolation
•Industrial Automation: Signal transmission and isolation in PLC and factory automation systems
•Communication Equipment: Enhancing system anti-interference and ensuring stable signal transmission
•Home Appliances: Circuit protection and improved device reliability
•Measurement Instruments: Ensuring signal isolation and data accuracy