The G12181-120K is a one-stage thermoelectrically cooled InGaAs PIN photodiode with a photosensitive area of 2 mm diameter and a cutoff wavelength of 1.87 μm. It is packaged in a TO-8 case and operates with a chip temperature of -10 °C, maintaining a dark current of 5 nA maximum at VR=0.5 V and a spectral response peak sensitivity of 0.9 A/W at 1.87 μm. The device has a terminal capacitance of 900 pF typ. at VR=0 V, a shunt resistance of 2.8 MΩ typ. at VR=10 mV, and a detectivity of 2.8 × 10^12 cm·Hz^1/2/W typ. Its operating temperature range is -40 to +70 °C, with storage temperatures from -55 to +85 °C, and it includes a thermistor with a resistance of 50 kΩ at +25 °C.
Long wavelength type (cutoff wavelength: 1.87 μm)
Features
- Cutoff wavelength: 1.87 μm
- One-stage TE-cooled
- Low cost
- Photosensitive area: φ2 mm
- Low noise
- High sensitivity
- High reliability
- High-speed response
| Hamamatsu Photonics Europe | |
|---|---|
| Product Category | Photodiodes |
| Product Number | G12181-120K |
| Product Name | InGaAs photodiodes |
| Spectral Response Range | 900 to 1870 nm (9000 to 18700 Å) |
| Peak Sensitivity Wavelength | 1750 nm (17500 Å) |
| Photodiode Material | Indium Gallium Arsenide |
| Active Area Diameter or Length | 2 mm (0.0787 inch) |
