Specialized - Cathode Ray ·CathodeRay
19BEP4
Le Cathoscope Français 19BEP4 rectangular 19-inch television CRT with electrostatic focus, 110-degree magnetic deflection, aluminized white P4 phosphor and 6.3 V 0.3 A heater.
- Sections
- 1
- Base
- 8HR
- Socket code
- -
- Base pins
- 7
- Nominal heater
- 6.3 V / 300 mA
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 8HR
- Socket code
- -
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
8HR - 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
- Max plate voltage
- 20000 V
Le Cathoscope Français 19BEP4 CRT, JEDEC 1961. Electrostatic focus, magnetic 110° deflection, aluminized P4 white short-persistence screen. Max anode-to-grid1 20000 V, min 14000 V; grid2-to-grid1 max 700 V, grid2-to-cathode max 550 V; grid4-to-grid1 positive max 1100 V, negative limit -550 V. Heater-negative-to-cathode peak max 450 V for first 15 s of warm-up, then 200 V, heater positive max 200 V; grid1 circuit resistance max 1.5 MΩ. Typical anode 16000 V, grid2-to-grid1 400 V, grid4 focus 0–400 V, cathode-to-grid1 cutoff 18–42 V, centering magnet 0–8 gauss. Capacitances grid1-all 6 pF, cathode-all 5 pF, external coating-to-anode 1000–1500 pF, external coating must be grounded. B7-208/8HR base and J1-29 recessed cavity anode cap; pinout notes on parent require verification.
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.