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Si photodiode S8559

Si photodiode S8559

Product catalog summary

Specifications:
The Si photodiode S8559 is designed for X-ray monitoring with absolute maximum ratings at 25°C, including a reverse voltage of up to 5V, operating temperature range from -10 to +60°C, and storage temperature from -20 to +70°C.

Electrical and Optical Characteristics:
Without a scintillator, the photodiode has a spectral response range of 190 to 1000 nm, peak sensitivity at 720 nm, and a photo sensitivity of 0.26 A/W at 500 nm. The dark current is between 2 to 50 pA at a reverse voltage of 10 mV, and terminal capacitance is 950 pF at 0V and 10 kHz.

X-ray Sensitivity:
The typical X-ray sensitivity is 52 nA at 120 kV with specific conditions (tube current of 1.0 mA, aluminum filter thickness of 6 mm, and distance of 830 mm).

Applications:
The S8559 is suitable for X-ray detection and monitoring, particularly effective for X-ray energy below 100 keV.

Features:
It is coupled with a low-cost CsI scintillator, making it ideal for specific X-ray energy detection.

Handling Precautions:
The CsI scintillator is deliquescent, so avoid high humidity environments for storage or use.

Graphs and Diagrams:
The document includes graphs showing the relationship between dark current and reverse voltage, and terminal capacitance versus reverse voltage, indicating typical performance at 25°C.

Dimensional Outline:
Detailed dimensions are provided for the S8559 photodiode, with measurements in millimeters.

Additional Information:
The document includes contact information for Hamamatsu Photonics offices worldwide and notes on product specifications, warranty, and usage precautions.

Catalog excerpts

Detector for X-ray monitor Si photodiode coupled to low cost CsI scintillator X-ray detection Ideal for detection of X-ray energy below 100 keV X-ray monitors Absolute maximum ratings (Ta=25 °C) Parameter Reverse voltage Operating temperature Storage temperature Symbol VR Max. Topr Tstg Electrical and optical characteristics (without scintillator, Ta=25 °C) Parameter Spectral response range Peak sensitivity wavelength Photo sensitivity Dark current Terminal capacitance X-ray sensitivity (reference value, tube current: 1.0 mA, aluminum filter: t=6 mm, distance=830 mm) X-ray tube voltage 120 kV Note) Depends on equipment and measurement conditions. Handling precautions Avoid storing or using S8559 at high humidity because CsI scintillator has deliquescence.

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Dark current vs. reverse voltage Terminal capacitance vs. reverse voltage Terminal capacitance Dimensional outline (unit: mm) Photosensitive surface 0.5 Lead 9.2 ± 0.3 Anode terminal mark Dark current

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Related information www.hamamatsu.com/sp/ssd/doc_en.html Precautions ∙ Disclaimer ∙ Metal, ceramic, plastic package products Technical information ∙ Si photodiode/Application circuit examples Information described in this material is current as of August 2020. Product specifications are subject to change without prior notice due to improvements or other reasons. This document has been carefully prepared and the information contained is believed to be accurate. In rare cases, however, there may be inaccuracies such as text errors. Before using these products, always contact us for the delivery...

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