Head-on PMT Photosensor Modules H10425 Series The H10425 series is a photosensor module containing a 25-mm (1") diameter head-on photomultiplier tube and a high-voltage power supply. It has a photosensitive area as large as 22 mm in diameter and also features a fast time response. Two products, one with a bialkali photocathode and one with a multialkali photocathode, are provided. Product Variations Type No. H10425 H10425-01 Spectral Response 300 nm to 650 nm 300 nm to 850 nm Features For visible range For visible to near IR range This product can't be used at vacuum environment or reduced pressure environment. Specifications Anode Cathode Parameter Input Voltage Max. Input Voltage Max. Input Current *1 Max. Output Signal Current Max. Control Voltage Recommended Control Voltage Adjustment Range *2 Effective Area Peak Sensitivity Wavelength Min. Luminous Sensitivity Typ. Blue Sensitivity Index (CS 5-58) Typ. Red / White Ratio Typ. Radiant Sensitivity *3 Typ. Min. Luminous Sensitivity *4 Typ. Radiant Sensitivity *3 *4 Typ. Typ. Dark Current *1 *5 Max. Rise Time *4 Ripple Noise *4 *6 (peak to peak) Max. Settling Time *7 Operating Ambient Temperature *8 Storage Temperature *8 Weight (at +25 °C) H10425 H10425-01 +11.5 to +15.5 +18 3.0 100 +1.2 (Input impedance 1 MΩ) +0.5 to +1.1 22 420 80 60 150 90 — 10.5 0.2 — 64 85 20 40 75 180 3.2 × 104 1.7 × 105 3 20 1.5 0.5 10 +5 to +50 -20 to +50 170 180 *1: At +15 V input voltage, +1.0 V control voltage, and output current equal to dark current. *2: DAC (I2C interface) can be installed in the module. Please specify when ordering. *3: Measured at the peak sensitivity wavelength *4: Control voltage = +1.0 V *5: After 30 minutes storage in darkness *6: Cable RG-174/U, Cable length 450 mm, load resistance = 1 MΩ, load capacitance = 22 pF *7: The time required for the output to reach a stable level following a change in the control voltage from +1.0 V to +0.5 V. *8: No condensation 28 Unit V V mA µA V V mm nm µA/lm — — mA/W A/lm A/W nA ns mV s °C °C g Current Output Type Photosensor Modules Characteristics (Cathode radiant sensitivity, Gain) TPMHB0204EB 107 TPMHB0551ED H10425-01 106 H10425 10 GAIN CATHODE RADIANT SENSITIVITY (mA/W) 100 105 H10425 1 H10425-01 104 0.1 200 300 400 500 600 700 800 103 0.5 900 0.6 0.7 0.8 0.9 1.0 1.1 1.2 CONTROL VOLTAGE (V) WAVELENGTH (nm) Sensitivity Adjustment Method VOLTAGE PROGRAMMING RESISTANCE PROGRAMMING SIGNAL OUTPUT LOW VOLTAGE INPUT(RED) GND (BLACK) Vref OUTPUT (BLUE) Vcont INPUT (WHITE) +15 V GND SIGNAL OUTPUT LOW VOLTAGE INPUT(RED) GND (BLACK) Vref OUTPUT (BLUE) Vcont INPUT (WHITE) +0.5 V to +1.1 V • Electrically insulate the reference voltage output. • Adjust the control voltage to adjust the sensitivity. POWER SUPPLY PHOTOSENSOR MODULE GND +15 V GND CW POWER SUPPLY PHOTOSENSOR MODULE MONITOR POTENTIOMETER (10 kΩ) When using a potentiometer, adjust sensitivity while monitoring the control voltage so it does not exceed +1.2 V TPMOC0207EA Dimensional Outlines (Unit: mm) 120 ± 1 35.0 ± 0.5 450 ± 20 25.4 ± 0.5 EFFECTIVE AREA FRONT VIEW 22 MIN. SIDE VIEW LOW VOLTAGE INPUT (+ 15 V) : AWG26 (RED) GND : AWG26 (BLACK) Vref OUTPUT (+1.2 V) : AWG26 (BLUE) Vcont INPUT (+0.5 V to + 1.1 V) : AWG26 (WHITE) SIGNAL OUTPUT : RG-174/U TPMOA0046EA 29