Data set 01
2026 Western Electric 400s
Published operating points and test conditions from this source.
Voltage Regulator
Characteristic
Regulation maximum
0.5 V
4to6mA
Starter breakdown voltage
200 V
Voltage Regulator ·VoltageRegulator
Three-electrode inert-gas cold-cathode voltage-reference tube with dedicated starter electrode, providing a stable approximately 100 V reference.
Western Electric 432A is a Three-electrode inert-gas-filled cold-cathode voltage-reference tube with starter electrode.
Medium-shell UX 4-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Regulator values promoted from published cathode-current and anode breakdown/voltage-drop data.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Regulation maximum
0.5 V
4to6mA
Starter breakdown voltage
200 V