S5973-02Si PIN photodiode


Datasheet [239 KB/PDF]

High-speed response (1 GHz)


The S5973-02 is a high-speed Si PIN photodiode designed for visible to near infrared light detection. This photodiode provides violet enhanced sensitivity, making it suitable for violet laser detection.


-High-speed response: 1 GHz (VR=3.3 V)
-Low price
-High sensitivity: 0.3 A/W, QE=91% (λ=410 nm)
-High reliability


Photosensitive area φ0.4 mm
Number of elements 1
Package Metal
Package category TO-18
Reverse voltage (max.) 20 V
Spectral response range 320 to 1000 nm
Peak sensitivity wavelength (typ.) 760 nm
Photosensitivity (typ.) 0.42 A/W
Dark current (max.) 100 pA
Cutoff frequency (typ.) 1000 MHz
Terminal capacitance (typ.) 1.6 pF
Measurement condition Typ. Ta=25 ℃, unless otherwise noted,
Photosensitivity: λ=780 nm, Dark current: VR=3.3 V, Cutoff frequency: VR=3.3 V, Terminal capacitance: VR=3.3 V, f=1 MHz

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Spectral response


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Dimensional outline (unit: mm)


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