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RFT

Z561M

15.50 mm

Description

Symbols for test equipment. Filter coating. Low curved front.

Basic information

Manufacturer: RFT · DE
Model: Z561M
Symbol Height (mm): 15.50 mm
Base type: B13B
View: End view
Outer diameter × Overall height: 30.1 mm × 33.5 mm

Electrical parameters

Min supply voltage: 170.0 V
Max ionization voltage: 145.0 V
Typical maintaining voltage: 135.0 V
Min cathode current: 1.00 mA
Typical cathode current: 1.75 mA
Max cathode current: 2.50 mA

Available cathodes

+ − ~ % A V Ω

Substitutes

GS4 GS4A Z5610M ZM1021 ZM1021 ZM1021 ZM1023 ZM1023