Tube-number record

7767

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BrandRCA

ClassPhotomultiplier Tube

BaseCompactron

Construction

Primary Type

Multi-section

EnvelopeT6

Base MaterialProtective Plastic Shell

Sections10-stage

Filament / Heater

Absolute Maximum Ratings

Plate Voltage1500 V

Grid 2 Voltage300 V

Grid 1 Voltage400 V

Cathode Current0.5 mA

Audio Performance

Key Features

Small 3/4-inch diameter
10-stage dynode structure
Head-on type
Beryllium-Oxide secondary-emitting surface

Typical Operation

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
E = 1250V	1250 V	—	—	270000	—

Application Notes

Recommended for use in compact scintillation counting systems and detection of low-level light sources. Magnetic shielding (James Millen No. 80801N) recommended.

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