Showing 439A and all of its variations. Other filters are hidden while viewing variations.
19 pins
Ten-stage cold-cathode gas-discharge stepping tube for continuous pulse counting and registration, providing both visual and electrical indication and supporting decade-chain operation.
9 pins
Ten-stage cold-cathode gas-discharge stepping tube for pulse counting and registration. Sequential discharge transfer advances the count electronically between stages.
| Expand sections | More | Electrical Summary | General Summary | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
439ASpecialized | Specialized - Switching TubeCounterSelectorSwitchCold cathode |
| 19 pins Ten-stage cold-cathode gas-discharge stepping tube for continuous pulse counting and registration, providing both visual and electrical indication and supporting decade-chain operation. | ||||||||
6167Specialized | Specialized - Switching TubeCounterSelectorSwitchCold cathode |
| 9 pins Ten-stage cold-cathode gas-discharge stepping tube for pulse counting and registration. Sequential discharge transfer advances the count electronically between stages. |