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Micro-PMT module
H12405-01
H12405 series is the most widespread standard type and has a built-in high-voltage power supply. The H12405-01 is multialkali photocathode micro PMT module with spectral response range from 300 nm to 850 nm.
Specifications
| Spectral response | 300 nm to 850 nm |
|---|---|
| Peak sensitivity wavelength | 420 nm |
| Photocathode material | Multialkali |
| Window material | Borosilicate glass |
| Effective area | 1 mm x 3 mm |
| Input voltage | ±4.5 V to ±5.5 V |
| Max. Input voltage | ±5.5 V |
| Max. Input current | +23.5 mA / -3.5 mA |
| Max. Average output signal voltage | +4 V |
| Max. Control voltage | +1.15 V |
| Recommended control voltage adjustment range | +0.5 V to +1.1 V |
| Control voltage input impedance | 1 MΩ |
| [Cathode] Luminous sensitivity Min. | 100 μA/lm |
| [Cathode] Luminous sensitivity Typ. | 200 μA/lm |
| [Cathode] Radiant sensitivity Typ. | 62 mA/W |
| [Cathode] Red/White ratio Typ. | 0.2 |
| [Anode] Luminous sensitivity Typ. | 1.5 x 107 V/lm |
| [Anode] Luminous sensitivity Typ. | 7.0 x 107 V/lm |
| [Anode] Radiant sensitivity Typ. | 21 V/nW |
| Voltage output depending on PMT dark current Typ. | 0.3 mV |
| Voltage output depending on PMT dark current Max. | 3 mV |
| PMT gain | 3.5 x 105 |
| Frequency bandwidth | DC to 20 kHz |
| Current-to-voltage conversion factor | 1 V / μA |
| Output offset voltage | ±1 mV |
| Ripple noise (peak to peak) | 1.5 mV |
| Settling time | 10 s |
Dimensional outline (Unit mm)
Signal input/output
| Cable | Color | Signal type |
|---|---|---|
| UL1430 AWG26 | Black | GND |
| Red | Low voltage input (+5 V) | |
| Green | Low voltage input (-5 V) | |
| Blue | Vref output (+1.2 V) | |
| White | Vcont input (+0.5 V to +1.1 V) | |
| RG-174/U | - | Signal output / Signal GND (Coaxial) |
Details of input window
Cross section
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