Features
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High sensitivity
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High reliability
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High-speed response
S1223: fc=30 MHz
S1223-01: fc=20 MHz
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Low capacitance
Applications
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Optical measurement equipment
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Analytical equipment, etc.
PHOTODIODE
Si PIN photodiode
For visible to IR, precision photometry
S1223 series
■ General ratings
Parameter Symbol S1223 S1223-01 Unit
Window material - borosilicate glass -
Package -TO-5 -
Active area size A 2.4 × 2.8 3.6 × 3.6 mm
Effective active area -6.6 13 mm2
■ Absolute maximum ratings
Parameter Symbol S1223 S1223-01 Unit
Reverse voltage VR Max. 30 V
Power dissipation P100 mW
Operating temperature Topr -40 to +100 °C
Storage temperature Tstg -55 to +125 °C
■ Electrical and optical characteristics (Ta=25 °C)
S1223 S1223-01
Parameter Symbol Condition Min. Typ. Max. Min. Typ. Max. Unit
Spectral response range λ-320 to 1100 --
320 to 1100 -nm
Peak sensitivity wavelength λp-960 - - 960 -nm
λ=λp-0.6- -0.6-
λ=660 nm -0.45- -0.45-
λ=780 nm -0.52- -0.52-
Photo sensitivity S
λ=830 nm -0.54- -0.54-
A/W
Short circuit current Isc 100 lx 56.3 -10 13 -µA
Dark current IDVR=20 V - 0.1 10 - 0.2 10 nA
Temp. coefficient of IDTCID -1.15 - - 1.15 -times/°C
Cut-off frequency fc VR=20 V, -3 dB - 30 - - 20 - MHz
Terminal capacitance Ct VR=20 V, f=1 MHz -10 - - 20 -pF
Noise equivalent power NEP VR=20 V - 9.4 × 10-15 - - 1.3 × 10-14 -W/Hz
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