Tube-number record
5CKP-A
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BrandThomas Electronics
ClassCathode-Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ427B1LA
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage1500 V
Grid 1 Voltage200 V
H-C Voltage180 V
Audio Performance
Key Features
- High resolution gun
- Clear non-browning faceplate
- Fine grained phosphor screen
- Aluminized backing
- Molded accelerator lead
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical CRT Operation | 20000 V | — | — | — | 0.025 mA |
Application Notes
For maximum protection against corona effects in high voltage and high altitude operations, the tube is provided with a molded accelerator lead. Shielding against X-ray radiation is required.
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