The H10720 and H10721 series are photosensor modules containing a metal package PMT and a high-voltage power supply circuit. The built-in PMT uses a metallic package with the same diameter as a TO-8 metal package used for semiconductor photodetectors. Despite the small size nearly equal to photodiodes, this PMT delivers high gain, wide dynamic range, and high-speed response. Hamamatsu also provides "P" type with low dark count selected for photon counting measurement. The H10720 series are lead pin output type, while the H10721 are flexible cable output type.
+15V input type H11900 / H11901 series are available.
|Photocathode Area Shape||Round|
|Photocathode Area Size||Dia.8 mm|
|Wavelength (Short)||230 nm|
|Wavelength (Long)||920 nm|
|Wavelength (Peak)||630 nm|
|Dimension (W x H x D)||50.0 x 25.0 x 18.0 mm|
|Input Voltage||+2.8 to +5.5 V|
|Max. Input Voltage||5.5 V|
|Max. Input Current||2.7 mA|
|Max. Output Signal Current||100 μA|
|Max. Control Voltage||+1.1 (Input impedance 1 M-ohm) V|
|Recommended Control Voltage Adjustment Range||+0.5 to +1.1 (Input impedance 1 M-ohm) V|
|[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||350 A/lm|
|[Anode] Luminous Sensitivity Typ.||1000 A/lm|
|[Anode] Radiant Sensitivity Typ.||1.5 x 105 A/W|
|[Anode] Dark Current (after 30min.) Typ.||10 nA|
|[Anode] Dark Current (after 30min.) Max.||100 nA|
|[Time Response] Rise Time Typ.||0.57 ns|
|Ripple Noise (peak to peak) Max.||0.1 mV|
|Settling Time Max.||10 s|
|Operating Ambient Temperature||+5 to +50 ℃|
|Storage Temperature||-20 to +50 ℃|
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