phototransistor

noun 0.621

optoelectronics

noun 0.613

photodetector

noun 0.585

photoresistor

noun 0.562

photodiode

noun 0.558

photosensor

noun 0.555

photocell

noun 0.549

transistor

noun 0.538

thermocouple

noun 0.535

photoelectric cell

noun 0.535

photomultiplier

noun 0.531

optical

noun 0.526

junction transistor

noun 0.523

isolator

noun 0.520

photoreceptor

noun 0.520

rotary encoder

noun 0.519

optical fibre

noun 0.516

coupler

noun 0.515

phototube

noun 0.514

photomultiplier tube

noun 0.512

circuit breaker

noun 0.504

optical drive

noun 0.503

diode

noun 0.503

oscilloscope

noun 0.500

transceiver

noun 0.500