The Tektronix T5430 aka T543 aka T65  (P/N 154-0175-00,154-0758-00,154-0758-03,154-0758-04,154-0183-00) is a 5" CRT used in the 541A, 543 and 543A (but not 543B), and 545A scopes.

The tube has helical post-acceleration at typically about 10 kV. Horizontal deflection sensitivity is 29.5 Volts/cm, sweep length is 10 cm.

Vertical deflection is limited to 4 cm at 6.75 Volts/cm sensitivity. Deflection plates are non-distributed, system bandwidth is about 30 MHz.

When furnished with P2 phosphor, the T5430 is designated the T5430-2 and has has part number 154-175.

Part Numbers

Part No Name Phosphor
154-0175-00 (154-175) T65 P2 / T543 P2 (T5430-2) P2 (Standard)
154-0758-00 P31
154-0758-03 P7
154-0758-04 P11
154-0183-00 T5430-11 P11

Some instruments using part T5430

Instrument Manufacturer Class Model Description Introduced
543 Tektronix Oscilloscope 543 30 MHz oscilloscope 1958
543A Tektronix Oscilloscope 543A 30 MHz oscilloscope (?)
545A Tektronix Oscilloscope 545A 30 (33) MHz oscilloscope 1959

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