T0520

The Tektronix T0520 is a CRT used in the 525, 532, 570, and 575. It was originally known as the T52. It has an unaluminized face and is typically operated with 4 kV of total acceleration voltage, e.g., +2300 V on the anode and -1700 V on the cathode.

The T0520 is known as the 5CAP in the EIA system.

154-0093-00 is a T0520 with P1 phosphor, aka T0520-1. 154-0343-00 is a T0520 with P31 phosphor, aka T0520-31.

Specifications

With 4000 V total acceleration voltage:

• horizontal sensitivity: 21 V/cm
• vertical sensitivity: 9.9 V/cm

Datasheet

• Tektronix T52 (T0520) CRT Data (PDF)

Pictures

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  T0520 Def plates

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  T0520 Gun Assy

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  T0520 CRT from a 575

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  T0520 CRT from a 575#2

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  Table of CRT specs. Sensitivity is in V/cm. Spot size is in inches.

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  Various phosphors of T52/T0520