R4220 series datasheets. Manufacturer: HAMAM.

R4220 Spectral responce:185-710nm; between anode and cathode:1250Vdc; 0.1mA; photomultiplier tube in 11-pin -- package. Operational temperature range from -80°C to 175°C. Datasheet*) R4220P Spectral responce:185-710nm; between anode and cathode:1250Vdc; 0.1mA; photomultiplier tube in 11-pin -- package. Operational temperature range from -80°C to 175°C. Datasheet*) There are other manufacturers for this components. For more information please check R4220 (Microsemi Corp.)

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