R2949 Datasheet (Hamamatsu Corporation)

R2949, PHOTOMULTIPLIER TUBE

Value Unit 185 to 900 400 Multialkali 8×6 UV glass Multialkali Circular-cage 9 Approx.

4 Approx.

6 11-pin base JEDEC No.

B11-88 Approx.

45 E678-11A E717-21 nm nm * mm * * * * pF pF * g * * 0.01 200 400 600 800 1000 100 TPMSB0155EA CATH

R2949 Features

* Low Dark Counts 300cps (at 25°C) Low Dark Current 2nA (after 30min.) Wide Spectral Response 185 to 900 nm High Cathode Sensitivity Luminous 200µ A/lm Radiant at 400nm 68mA/W High Anode Sensitivity (at 1000V) Luminous 2000A/lm Radiant at 400nm 6.8 × 105A/W Low Drift and Hysteresis The R2949 i