CK6909

Gas-filled cold-cathode high-speed bidirectional ring-stepping decade counter capable of approximately 100 kHz counting operation.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: 8
Nominal heater: -

Description

Gas-filled cold-cathode 100 kHz high-speed bidirectional ring-stepping decade counter. The datasheet specifies anode/supply limits, counting frequency, and a typical resistor-biased operating point.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: 8
Nominal heater voltage: -
Nominal heater current: -
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Nixie

X-ray radiationInterelectrode capacitances

Max cathode current: 1.2 mA

Cold-cathode gas-discharge decade-counter section; conventional gm/rp/mu fields are not applicable.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

196X Nixie Random Datasheets

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

Total anode current maximum
1.2 mA
Voltage between electrodes maximum
140 V
Excluding anode
Supply voltage minimum
400 V
Anode-to-cathode
Input frequency maximum
100000 pps
DC supply voltage
450 V
Anode resistor
0.27 MΩ
Cathode resistor
24000 Ω

Characteristics

Nominal tube drop
235 V
Typical operation
Output voltage
15 V
Across cathode resistor