SFH6106-4
Overview
The SFH6106-4 is a single-channel phototransistor optocoupler designed for signal isolation and level shifting in space-constrained surface-mount applications. It features a high isolation voltage of 5300Vrms and a collector-emitter voltage rating of 70V, ensuring robust protection between high-voltage and low-voltage circuits. This variant is characterized by its high Current Transfer Ratio (CTR) and fast switching times of 2us for both rise and fall transitions.
Why Choose This Part
The component offers excellent CTR linearity and high common-mode interference immunity, making it reliable in noisy industrial environments. Its low saturation voltage of 400mV allows for efficient logic-level interfacing, while the 4-SMD package provides a compact footprint for dense PCB layouts.
Applications
Key Specifications
Getting Started
When designing with the SFH6106-4, ensure the forward current (IF) is sized using a current-limiting resistor to achieve the desired CTR for your load. Use the 2us rise and fall times to calculate the maximum achievable baud rate for digital signals. For safety compliance, maintain adequate creepage and clearance distances on the PCB layout under the 4-SMD package.
