| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| TISP2180 | Symmetrical Overvoltage TISP for 3 Wire Battery Backed Ringer Protection | Power-Innovations | - | - | - | - | 210 K |
| TISP2180F3D | Symmetrical Overvoltage TISP for 3 Wire Battery Backed Ringer Protection | Power-Innovations | D | - | - | - | 600 K |
| TISP2180F3DR | Symmetrical Overvoltage TISP for 3 Wire Battery Backed Ringer Protection | Power-Innovations | DR | - | - | - | 600 K |
| TISP2180F3P | Symmetrical Overvoltage TISP for 3 Wire Battery Backed Ringer Protection | Power-Innovations | P | - | - | - | 600 K |
| TISP2180L | Symmetrical Overvoltage TISP for 3 Wire Battery Backed Ringer Protection | Power-Innovations | - | - | - | - | 126 K |
| UPD17P218CT | Small general-purpose/remote-control 4-bit SC microcontroller(OTP version) | NEC-Electronics-Inc- | - | - | - | - | 231 K |
| UPD17P218GT | Small general-purpose/remote-control 4-bit SC microcontroller(OTP version) | NEC-Electronics-Inc- | - | - | - | - | 231 K |
| UPD75P218CW | OTP version 4-bit single-chip microcomputer | NEC-Electronics-Inc- | - | - | - | - | 475 K |
| UPD75P218GF-3BR | OTP version 4-bit single-chip microcomputer | NEC-Electronics-Inc- | - | - | - | - | 475 K |
| UPD75P218KB | OTP version 4-bit single-chip microcomputer | NEC-Electronics-Inc- | - | - | - | - | 475 K |
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