CD69
14mm symbol tube manufactured by NEC
The CD69 is a clear glass symbol tube manufatured by NEC. It can display a minus sign and a vertical line, when combined, it displays a plus sign. This is very special and not seen very often
| Brand / Manfacturer | NEC |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 14 |
| Characters / Symbols | -,| |
| Decimal point | none |
| Base / Socket | 0 |
| Starting Voltage (typ) | 170 V |
| Maintaining Voltage (typ) | 15 V |
| Current per Segment | Character "-" = 0.5 to 1.7mA, Character "|" = 1 tomA |
| Reccomend Resistor | 20kOhm for "-" and 12kOhm for "|" |