The Hamamatsu R1924A is a high-sensitivity, side-on type photomultiplier tube featuring a bialkali photocathode, designed for low-light-level detection in scientific and industrial applications. Its compact metal package provides excellent photon detection efficiency and fast response characteristics.
| Parameter | Specification |
|---|---|
| Photocathode Material | Bialkali (Sb-K-Cs) |
| Spectral Range | 300-650 nm |
| Peak Wavelength | 420 nm |
| Cathode Luminous Sens. | 70 μA/lm min (at 2856K) |
| Anode Luminous Sens. | 50 A/lm min (at 800V) |
| Gain | 1×10⁶ typical (at 800V) |
| Dark Current | 5 nA max (at 800V) |
| Rise Time | 2.2 ns |
| Transit Time | 15 ns |
| Supply Voltage | 800V max (divider circuit) |
| Package Type | Metal can (φ19 mm) |
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