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National Electronics

NL-49990

7.75 mm

Description

Complementary to NL-4998.

Basic information

Manufacturer: National Electronics · US
Model: NL-49990
Symbol Height (mm): 7.75 mm
Base type: SK-176 · 1b
View: End view (compact)
Outer diameter × Overall height: — × 25.4 mm

Electrical parameters

Min supply voltage: 170.0 V
Max ionization voltage: 170.0 V
Typical maintaining voltage: 150.0 V
Min cathode current: 1.00 mA
Typical cathode current: 1.35 mA
Max cathode current: 2.00 mA

Available cathodes

Δ B C D E H T U W

Substitutes

B-49990