| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| BD-C531RD | Red, cathode, dual digit LED display | distributor | DD | - | - | - | 202 K |
| BD-C531RD | Red, cathode, dual digit LED display | distributor | DD | - | - | - | 202 K |
| BQ-C531RD | Red, cathode, four digit LED display | distributor | FD | - | - | - | 130 K |
| BS-C531RD | Red, cathode, single digit LED display | distributor | SD | - | - | - | 186 K |
| BT-C531RD | Red, cathode, three digit LED display | distributor | TD | - | - | - | 120 K |
| KS57C5312 | Single-chip CMOS microcontroller. | Samsung-Electronic | - | 30 | -40°C | 85°C | 283 K |
| KS57C5312 | Single-chip CMOS microcontroller. | Samsung-Electronic | - | 32 | -40°C | 85°C | 283 K |
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