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Specialized - Cathode Ray ·CathodeRay

17BSP4

Seventeen-inch direct-view television picture tube with electrostatic focusing, magnetic deflection, and a white P4 screen behind gray filter glass. Typical anode operation is about 14 kV, and no ion-trap magnet is required.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
B6-63
Socket code
DUODECAL5
Base pins
6
Nominal heater
6.3 V / 450 mA

Description

17BSP4 is a direct-view cathode-ray picture tube designed for television service. It uses electrostatic focusing and magnetic deflection, with a P-4 white picture screen with a gray filter faceplate. The datasheet publishes high-voltage anode operation, grid-electrode ratings, heater-cathode limits, deflection data, and operating characteristics. It uses No ion-trap magnet required.

Socket description

Small-shell Duodecal 5-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
B6-63
Socket code
DUODECAL5
Base pins
6
Nominal heater voltage
6.3 V
Nominal heater current
450 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

B6-63 - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Cathode Ray

X-ray radiationInterelectrode capacitances
Max plate voltage
15000 V

Direct-view television CRT with electrostatic focus and magnetic deflection. P-4 white screen data and CRT electrode ratings are preserved in parameters; CRT maximum anode voltage is promoted to MaxPlateVoltage.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Heater voltage

    6.3 V

    Nominal

  • Anode voltage

    16 V

    Published CRT operating condition

  • Grid 2 voltage

    500 V

    Published CRT operating condition

Data set 02

1966 Tung Sol Electronic Tubes 4 of 4

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Maximum DC grid 2 voltage

    500 V

  • Maximum DC grid 4 voltage

    -500 to 1000 V

  • Maximum grid 1 negative-bias voltage

    140 V

    NegativeBias

  • Maximum grid 1 positive-bias voltage

    0 V

    PositiveBias

  • Maximum grid 1 positive-peak voltage

    2 V

    PositivePeak

  • Peak heater-cathode voltage

    410 V

    HeaterNegativeWarmup

  • Peak heater-cathode voltage

    180 V

    HeaterNegativeAfterWarmup

  • Peak heater-cathode voltage

    180 V

    HeaterPositive

  • DC anode voltage

    14000 V

    TypicalOperation

  • DC grid 4 voltage

    -50 to 350 V

    TypicalOperation

  • DC grid 2 voltage

    300 V

    TypicalOperation

  • DC grid 1 voltage

    -28 to -72 V

    TypicalOperation

  • Faceplate transmission at center

    74 %

    Approximate

Characteristic

  • Horizontal deflection angle

    85 degrees

    Approximate

  • Vertical deflection angle

    68 degrees

    Approximate

  • Diagonal deflection angle

    90 degrees

    Approximate

Capacitance

  • Cathode to all other electrodes capacitance

    5 pF

    Approximate

  • Grid 1 to all other electrodes capacitance

    6 pF

    Approximate

  • External conductive coating to anode capacitance

    1500 pF

    Maximum

  • External conductive coating to anode capacitance

    1200 pF

    Minimum