- Chip On Board (COB) Light Sources (735)
- Crystals (441)
- Light Emitting Diodes (LED) (25)
- Oscillators (113)
- Push Switches (1)
- Tactile Switches (17)
- Temperature Compensated Crystal Oscillators (TCXOs) (14)
- Ultra Violet LEDs (7)
- Voltage-Controlled Crystal Oscillators (VCXOs) (3)
Citizen FineDevice is the world's largest manufacturer of quartz crystals and oscillators in cylindrical, plastic, metal and ceramic packages.