| Part Number | Components Description | Manufacturer |
| MC14568 | Low-Power CMOS Ionization Smoke Detector with Interconnect and Timer | Freescale Semiconductor, Inc |
| RE46C120 | CMOS Ionization Smoke Detector ASIC | R & E International, Inc. |
| RE46C121 | CMOS Ionization Smoke Detector ASIC with Interconnect | R & E International, Inc. |
| RE46C126 | CMOS Ionization Smoke Detector ASIC with Interconnect | R & E International, Inc. |
| RE46C122 | CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode | R & E International, Inc. |
| RE46C127 | CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode | R & E International, Inc. |
| RE46C128 | CMOS Ionization Smoke Detector ASIC with Interconnect | R & E International, Inc. |
| RE46C129 | CMOS Ionization Smoke Detector ASIC with Interconnect | R & E International, Inc. |
| RE46C143 | CMOS Photoelectric Smoke Detector ASIC with Interconnect | R & E International, Inc. |
| RE46C144 | CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode | R & E International, Inc. |