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R2248

Hamamatsu Corporation
Part Number R2248
Manufacturer Hamamatsu Corporation
Description PHOTOMULTlPLlER TUBE
Published Apr 16, 2005
Detailed Description PHOTOMULTIPLIER TUBE R2248 10mm × 10mm Square Envelope, Head-On Type 8-Stage, Bialkali Photocathode GENERAL Parameter S...
Datasheet PDF File R2248 PDF File

R2248
R2248

Overview
PHOTOMULTIPLIER TUBE R2248 10mm × 10mm Square Envelope, Head-On Type 8-Stage, Bialkali Photocathode GENERAL Parameter Spectral Response Wavelength of Maximum Response Material Photocathode Minimum Useful Area Window Material Structure Dynode Number of Stages Base Weight Suitable Socket Description/Value 300 to 650 420 Bialkali 8×8 Borosilicate glass Linear focused 8 11-pin glass base Approx.
4.
5 E678-11N (supplied) Unit nm nm — mm — — — — g — MAXIMUM RATINGS (Absolute Maximum Values) Supply Voltage Average Anode Current Ambient Temperature Parameter Between Anode and Cathode Between Anode and Last Dynode Value 1500 250 0.
03 -80 to +50 Unit Vdc Vdc mA °C CHARACTERISTICS (at 25°C) Cathode Sensitivity Parameter Luminous (2856K) Radiant at 420nm Blue (CS 5-58 filter) Luminous (2856K) Min.
60 — — 30 — — — Typ.
95 76 9.
5 100 1.
1 × 106 1 0.
9 9 Max.
— — — — — 50 — — Unit µA/lm mA/W µA/lm-b A/lm — nA ns ns Anode Sensitivity Gain Anode Dark Current (after 30min.
storage in darkness) Anode Pulse Rise Time Time Response Electron Transit Time VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE Electrodes K Dy1 Dy2 Dy3 Dy4 Dy5 Dy6 Dy7 Dy8 P Ratio 2 2 1 1 1 1 1 1 1 Supply Voltage: 1250Vdc, K: Cathode, Dy: Dynode, P: Anode Subject to local technical requirements and regulations, availability of products included in this promotional material may vary.
Please consult with our sales office.
Information furnished by HAMAMATS U is believed to be reliable.
However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice.
No patent rights are granted to any of the circuits described herein.
© 1998 Hamamatsu Photonics K.
K.
PHOTOMULTIPLIER TUBE R2248 Figure 1: Typical Spectral Response TPMHB0543EA Figure 2: Typical Gain Characteristics 108 TPMHB0565EA 100 CATHODE RADIANT SENSITIVITY CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) 107 10 106 QUANTUM EFFICIENCY GAIN 1 105 104 0.
1 103 0.
01 200 400 600 800...


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