R4220 Datasheet (Hamamatsu Corporation)

R4220, PHOTOMULTlPLlER TUBES

Value Unit 185 to 710 410 Low noise bialkali 8 24 UV glass Low noise bialkali Circular-cage 9 4 6 11-pin base JEDEC No.

B11-88 45 E678 *11A (option) E717 *21 (option) 0.01 100 200 300 400 500 600 700 800 TPMSB0010EA 100 nm nm CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%)

R4220 Features

* Spectral Response 185 to 710 nm High Cathode Sensitivity Luminous 100 A/lm Radiant at 410nm 70 mA/W High Anode Sensitivity (at 1000V) Luminous 1200A/lm Radiant at 410nm 8.4 105 A/W Low Dark Current 0.2nA Low Dark Counts (R4220P) 10 cps Hamamatsu R4220 features extremely high cathode sensitiv