Tube-number record
4507
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BrandRCA
ClassPhotomultiplier Tube
Base20/21-pin
Construction
Primary TypeOther / special
EnvelopeT-16
Base MaterialPlastic
Sections12-Stage
Filament / Heater
Absolute Maximum Ratings
Plate Voltage2500 V
Grid 2 Voltage300 V
Grid 1 Voltage600 V
Cathode Current0.2 mA
Audio Performance
Key Features
- Bialkali Photocathode
- In-Line Electrostatic Focus
- Pyrex Window
- Low Dark Current
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Divider Setup | 1500 V | — | — | 1900000 | — |
Application Notes
Recommended for use at 22°C or below. Avoid helium environments as it permeates the envelope. Handle base with care to avoid contamination-induced leakage.
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