The S12742-220 uses an interference filter for its window and is sensitive only to monochromatic light. The spectral response width is extremely narrow at 11 nm (FWHM), allowing accurate photometry without any effects of stray light. The peak sensitivity wavelength is 220 nm typ. The S12742-220 can be customized to support other peak sensitivity wavelengths such as 340 nm, 560 nm.
- Si photodiode with interference filter
- Monochromatic light (220 nm) detection
|Photosensitive area||3.6 × 3.6 mm|
|Number of elements||1|
|Reverse voltage (max.)||5 V|
|Spectral response range||216 to 224 nm|
|Peak sensitivity wavelength (typ.)||220 nm|
|Photosensitivity (typ.)||0.006 A/W|
|Dark current (max.)||25 pA|
|Rise time (typ.)||1 μs|
|Terminal capacitance (typ.)||500 pF|
|Noise equivalent power (typ.)||3.3×10-13 W/Hz1/2|
|Measurement condition||Typ. Ta=25 ℃, Photosensitivity: λ=220 nm, Dark current: VR=10 mV, Terminal capacitance: VR=0 V, f=10 kHz, Noise equivalant power: VR=0 V, λ=λp, unless otherwise noted|
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