5mm Round (Phototransistor)
3mm Round (Phototransistor)
3.5x2.8x1.9mm (Phototransistor)
3.2x1.6x1.8mm (1206 Dome Lens Phototransistor)
3.0x1.0x2.5mm (1104 Right Angle Phototransistor)