Click to expand full text
PHOTOMULTIPLIER TUBE
R1878
For Photon Counting Applications Excellent Transit Time Spread, Low After Pulse 19mm (3/4 Inch) Diameter, Multialkali Photocathode, 10-Stage, Head-on Type
GENERAL
Parameter
Spectral Response
Wavelength of Maximum Response
Photocathode
Material Minimum Effective Area
Window Material
Dynode
Structure Number of Stages
Base
Suitable Socket
Description/Value 300 to 850 420 Multialkali 4
Borosilicate glass Linear focused 10
12-pin glass base E678-12D (supplied)
Unit nm nm — mm dia. — — — — —
MAXIMUM RATINGS (Absolute Maximum Values)
Parameter
Value
Unit
Supply Voltage
Average Anode Current Ambient Temperature
Between Anode and Cathode Between Anode and Last Dynode
1500
Vdc
250
Vdc
0.