Si PIN Photodiode S1223 Series: Features, Specifications, And Applications.pdf

Versatile Applications: Designed for optical measurement equipment and analytical instruments requiring precision photometry.
Wide Spectral Range: Suitable for visible to IR light (320 - 1100 nm).

Model Variants:

S1223: 30 MHz cut-off frequency (fc), active area: 2.4 x 2.8 mm².
S1223-01: 20 MHz cut-off frequency (fc), active area: 3.6 x 3.6 mm².

Absolute Maximum Ratings:

Reverse voltage (VR Max.): 30 V
Power dissipation (P): 100 mW
Operating temperature (Topr): -40°C to +100°C
Storage temperature (Tstg): -55°C to +125°C

Electrical and Optical Characteristics (Ta=25 °C):

| Parameter | Symbol | S1223 | S1223-01 | Unit |
|---|---|---|---|---|
| Spectral response range | λ | 320 - 1100 | 320 - 1100 | nm |
| Peak sensitivity wavelength | λp | 960 | 960 | nm |
| Photo sensitivity (λ=830 nm) | S | 0.54 | 0.54 | A/W |
| Short circuit current | Isc | 5 - 10 µA | 10 - 13 µA | µA |
| Dark current | ID | 0.1 - 0.2 nA (VR=20 V) | 0.2 nA (VR=20 V) | nA |
| Temperature coefficient of ID | TCID | 1.15%/°C | 1.15%/°C | times/°C |
| Cut-off frequency | fc | 30 MHz (VR=20 V, -3 dB) | 20 MHz (VR=20 V, -3 dB) | MHz |
| Terminal capacitance | Ct | 10 pF (VR=20 V, f=1 MHz) | 20 pF (VR=20 V, f=1 MHz)| pF |
| Noise equivalent power | NEP | 9.4 x 10^-15 (VR=20 V, λ=λp) | 1.3 x 10^-14 (VR=20 V, λ=λp) | W/Hz1/2 |

Dimensions:

Active area: 2.4 x 2.8 mm² (S1223), 3.6 x 3.6 mm² (S1223-01)
Window material: Borosilicate glass
Package: TO-5

Additional Information:

The glass window can extend a maximum of 0.2 mm above the upper surface of the cap.
* Detailed graphs showing spectral response, dark current vs. reverse voltage, photo sensitivity temperature characteristic, and terminal capacitance vs. reverse voltage are provided in the document.