R2949 - PHOTOMULTIPLIER TUBE

Hamamatsu Corporation

Datasheet Details

Part number	R2949
Manufacturer	Hamamatsu Corporation
File Size	51.41 KB
Description	PHOTOMULTIPLIER TUBE
Datasheet	R2949 Datasheet

General Description

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

4 Approx.

6 11-pin base JEDEC No.

Overview

PHOTOMULTIPLIER TUBE R2949 (Low Dark Counts Type of R928) Modified R928, 8 × 6mm Photocathode Area Size Low Dark Counts, Extended Red Multialkali, High Sensitivity For Photon Counting.

Key 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 is a 28mm (1-1/8 inch) diameter, 9-stage, side-on type photomultiplier tube having the same extended red multialkali photocathode as the R928. The R2949 features very low dark counts, extremely high qu.

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