6 pcs NOS TUBES in LOT. IN-4 is able to display the following shapes: "0 1 2 3 4 5 6 7 8 9".
Shape height 0.709 inch (18mm). Corresponding sockets: PL31-2V and PL31-P. IN-4 (ИН-4) Nixie Röhre/Nixie Tube Variant: coarse grid Made by Газотрон, Ровно, Украина (Gazotron, Rovno, Ukraine)
There were different variants of this tube. This is variant with coarse grid This tube can be used as a biquinary tube (cathodes connected externally) or a normal Nixie tube.
Röhrendaten/Tube Data | German | English | | | Typ | Type | | IN-4 (ИН-4) | Hersteller | Brand | | Газотрон (Gazotron Tube Factory, Rovno, Ukraine) | Vergleichstypen | Substitutes | | - | Symbole | Displayed symbols | | 0-9 | Symbolhöhe | Symbol height | | 17mm (0.670") | Pindurchmesser | Pin diameter | | 1 mm (0.04") | Röhrendurchmesser nominal | Tube diameter nominal | | 30 mm (1.18") | Röhrendurchmesser maximal | Tube diameter maximal | | 32 mm (1.26") | Höhe Röhrenboden bis Kuppe | Tube height bottom to top | | 31 mm (1.22") | Höhe Röhre gesamt | Tube height total | | 41 mm (1.61") | Zündspannung maximal | Ignition voltage | V | 170 | Anodenspannung nominal | Anode voltage nominal | V | 170 | Anodenspannung minimal | Anode voltage minimal | V | 170 | Brennspannung | Voltage drop | V | 150 | Kathodenstrom nominal | Cathode current nominal | mA | 2.5 | Kathodenstrom maximal | Cathode current maximal | mA | 3 | Leuchtdichte minimal | Luminance | cd/m² | 100 | Sockel | Base | | RSH31 (РШ31), Pin 7 unten/ RSH31 (РШ31), pin 7 at bottom | Fassungen | Sockets | | PL31(ПЛ31), PL31p(ПЛ31п), PL31-2V(ПЛ31-2B) |
Outline/Pinout: | | | Pin | Connection if connected biquinary | Connection if connected not biquinary | 1 | Cathode digit 4 | Cathode digit 4 | 2 | Cathode digit 6 | Cathode digit 6 | 3 | Cathode digit 8 | Cathode digit 8 | 4 | Screen | Anode | 5 | Cathode digit 9 | Cathode digit 9 | 6 | Cathode digit 7 | Cathode digit 7 | 7 | not connected | not connected | 8 | Cathode digit 0 | Cathode digit 0 | 9 | Cathode digit 2 | Cathode digit 2 | 10 | Anode for even digits | not connected | 11 | Cathode digit 3 | Cathode digit 3 | 12 | Cathode digit 5 | Cathode digit 5 | 13 | Anode for odd digits | not connected | 14 | Cathode digit 1 | Cathode digit 1 |
| | Ansicht von unten/Bottom view | |
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