Photomultiplier tube module


The H14603 series is compact photomultiplier tube modules containing a metal package PMT, a high-voltage power supply circuit and a low-noise amplifier. Despite the size nearly equal to photodiodes, this PMT module provides high gain, wide dynamic range, and high speed response. The amplifier with a frequency bandwidth of DC to 200 kHz converts the PMT current output to a voltage output so that signal can be easily processed.

Photocathode Area Shape Round
Photocathode Area Size Dia.8 mm
Wavelength (Short) 300 nm
Wavelength (Long) 920 nm
Wavelength (Peak) 630 nm
Dimension (W x H x D) 22.0 mm x 22.0 mm x 30.0 mm
Input Voltage +/-4.5V to +/-5.5 V
Max. Input Voltage +/-5.5 V
Max. Input Current +6.5 mA / -3.5 mA
Max. Output Signal Voltage +4 V (Load resistance 10 kΩ)
Max. Control Voltage +1.0 V (Input impedance 1 MΩ)
Recommended Control Voltage Adjustment Range +0.5 V to +1.0 V (Input impedance 1 MΩ)
[Cathode] Luminous Sensitivity Min. 350 μA/lm
[Cathode] Luminous Sensitivity Typ. 500 μA/lm
[Cathode] Red/White Ratio Typ. 0.45
[Cathode] Radiant Sensitivity Typ. 78 mA/W
[Anode] Luminous Sensitivity Min 1.4 x 107 V/lm
[Anode] Luminous Sensitivity Typ. 5.0 x 107 V/lm
[Anode] Radiant Sensitivity Typ. 7.8 V/nW
[Anode] Vout Depending on PMT Dark Current Typ. 1 mV
[Anode] Vout Depending on PMT Dark Current Max. 10 mV
Current to Voltage Coversion Factor 0.1 V/μA
Output Offset Voltage Typ. +/-1 mV
Ripple Noise (peak to peak) Max. 0.5 mV
Settling Time Max. 10 s
Operating Ambient Temperature +5 ℃ to +50 ℃
Storage Temperature -20 ℃ to +50 ℃
Weight 42 g

Dimensional outlines (Unit: mm)

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