IV- 4 is an alphanumeric multisegment (16 segments + 2 dots) VFD tube.

Condition - NOS (new old stock).

QTY - 1 pcs.

SPECIFICATIONS:

Filament voltage: 2.21 - 2.86 V

Filament current: 50 ± 5 mA

Anode and grid voltage in static mode: 25 - 27 V

Anode and grid voltage in pulse mode: 50 - 70 V

Anode segment current: 0.45 mA (static)

Anode segment current: 2.5 - 4.0 mA (total)

Mesh current: 6.5 - 10 mA (static)

Pulse frequency: 2.0 ± 0.1 Hz

Brightness: not less than 450 cd/m²

View angle: at least 45°

Life: 3000hours

Additional Information.

Disputes.

If you have any problem with goods from me, please contact me first. I am always open for conversation and I am sure that we will find a good way to solve any situation.

Testing and sorting.

We test all the tubes before the sale. For nixie tubes we are using a special devices and custom testing stands. For electronic tubes testing we have two soviet era tube testers - IL-14 and L3-3.

From the team.

More than 8 years we are working with electronic and nixie tubes. We are selling only tested tubes in great condition. We are always open for communication, so feel free to contact us.

Have a good bidding!

Sincerely, M.S.