SFH 320 Silicon NPN Phototransistor ams OSRAM SFH 320 Silicon NPN Phototransistor is available in a PLCC-2 TOPLED package. This surface mount phototransistor offers high linearity and 980nm peak wavelength. The SFH 320 phototransistor is suitable for all soldering methods and operates at -40°C to 100°C temperature range. This phototransistor features 165mW Power Dissipation (Pd), 15mA maximum on-state collector current, and clear lens color. Applications include miniature photo interrupters, drive and control circuits, and industrial electronics.