4031

8.00 mm

Description

High domed front. Silicone rubber outer sleeve (thickness included in tube diameter). Symbol tube complementary to 4032, also matches 5810 & 7977 types in size & electrical characteristics.

Basic information

Manufacturer: National Electronics · US
Model: 4031
Symbol Height (mm): 8.00 mm
Base type: SK-116 · 1a
View: End view
Outer diameter × Overall height: 17.0 mm × 24.0 mm

Electrical parameters

Min supply voltage: 170.0 V
Max ionization voltage: 170.0 V
Typical maintaining voltage: 154.0 V
Min cathode current: 0.70 mA
Typical cathode current: 1.00 mA
Max cathode current: 1.40 mA

Available cathodes

+ −

Substitutes

4031 B-4031