Forest PMTs
Hamamatsu R4125HA
| Specifications | |
| Part Number | R4125 |
| Type | Head on |
| Size | 19mm |
| ActiveDia/L | 15mm |
| Min | 300nm |
| Max | 650nm |
| Peak Sens. | 420nm |
| Cathode Radiant Sensitivity | 90mA/W |
| Window | Borosilicate |
| Cathode Type | Bialkali |
| Cathode Luminous Sensitivity | 115mA/lm |
| Cathode Blue Sensitivity Index | 11 |
| Anode Luminous Sensitivity | 100A/lm |
| Gain | 8.7E+05 |
| Dark Current after 30 min. | 10nA |
| Rise Time | 2.5ns |
| Transit Time | 16ns |
| Transit Time Spread | 0.85ns |
| Number of Dynodes | 10 |
| Applied Voltage | 1500V |
| Multi Anode | N |
| Magnetic Shield | E989-02 |
| Socket Bare | E678-12L |
| Socket + bleeder assy. | E974-19 |
| Power Supply | C4840 series |
| Amplifier | C7319 C6438 C5594 M7279 M8879 |
HS Student 2009 summer project
Dynode chain HV design
Base design
