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Part Number	Size [mm]
R9220	28

Click image to enlarge	The R9110 is a 28mm diameter, 9-stage, side-on PMT having an extended red multialkali photocathode same as R3896. The R9110 features very low dark current, extremly high quantum efficiency, high gain, good S/N ratio and wide spectral response from UV to near Infrared. The R9110 is directly interchangeable with the R3896.
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Key Specifications	Drawing	Related Products
Part Number R9220 Type Side on Size 28mm Min 185nm Max 900nm Peak Sens. 450nm Window UV Glass Cathode Type Multialkali Cathode Luminous Sensitivity 450mA/lm Cathode Blue Sensitivity Index 12.5 Red White Ratio 0.4 Anode Luminous Sensitivity 4500A/lm Gain 1.0E+07 Dark Current after 30 min. 10nA Rise Time 2.2ns Transit Time Spread 1.2ns Multi Anode N Magnetic Shield E989 Socket Bare E678-11A Socket + bleeder assy. E717-63 Socket Other C6270 Power Supply C4900 C4710 C3830 C4720 C4840 C3360 Amplifier C7319 C6438 C5594 M7279 M8879	Click image to enlarge Typical Spectral Response Click image to enlarge	Magnetic Shield E989 Socket Bare E678-11A Socket + bleeder assy. E717-63 Socket Other C6270 Power Supply C4900 C4710 C4840 Amplifier C7319 C6438 M7279 M8879