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The T5430 aka T543 aka T65 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)