- GSX-331/221DFFREQ
- Golledge Electronics Ltd.
- QUARTZ CRYSTAL RESONATOR, 16 MHz - 40 MHz
- GSX-331/221DFFREQ1
- Golledge Electronics Ltd.
- QUARTZ CRYSTAL RESONATOR, 12 MHz - 12.9 MHz
- GSX-331/221DFFREQ2
- Golledge Electronics Ltd.
- QUARTZ CRYSTAL RESONATOR, 13 MHz - 13.9 MHz
- GSX-331/221DFFREQ3
- Golledge Electronics Ltd.
- QUARTZ CRYSTAL RESONATOR, 14 MHz - 15.9 MHz
- GSX-331/221DFFREQ4
- Golledge Electronics Ltd.
- QUARTZ CRYSTAL RESONATOR, 16 MHz - 19.9 MHz
- GSX-331/221DFFREQ5
- Golledge Electronics Ltd.
- QUARTZ CRYSTAL RESONATOR, 20 MHz - 29.9 MHz
- GSX-331/221DFFREQ6
- Golledge Electronics Ltd.
- QUARTZ CRYSTAL RESONATOR, 30 MHz - 56 MHz