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3RP-A

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ClassCathode-Ray Tube
BaseSmall Shell 12-Pin Duodecal (B12-43)
Filament6.3V @ 600mA

Construction

Primary TypeCathode-Ray Tube
EnvelopeGlass

Filament / Heater

Absolute Maximum Ratings

Plate Voltage2500 V
Plate Dissipation6 W
Grid 2 Voltage2500 V
Grid 1 Voltage-290 V
H-C Voltage125 V

Audio Performance

Key Features
  • Short, flat-face 3 inch tube
  • High brilliance and definition
  • High deflection sensitivity
  • Separate pin for each deflection plate
  • Balanced deflection

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Anode No. 2 Voltage 1000V1000V----
Anode No. 2 Voltage 2000V2000V----

Application Notes

Ideally suited for low- and medium-voltage oscillographic applications. Special construction of deflection plates D1-D2 minimizes pin-cushion distortion.

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