Description
Hamamatsu S4349 Quadrant Si PIN photodiode
The S4349 is a quadrant Si PIN photodiode having sensitivity in the UV to near IR spectral range. A quadrant element format allows position sensing such as for laser beam axis alignment.
Features
-Quadrant (2 × 2) element format
-Low cross-talk: 2% max.
-Wide spectral response range: 190 to 1000 nm
-High-speed response: fc=20 MHz
-TO-5 metal package
Specifications
| Number of elements | 4-segment |
|---|---|
| Package | Metal |
| Package category | TO-5 |
| Cooling | Non-cooled |
| Spectral response range | 190 to 1000 nm |
| Peak sensitivity wavelength (typ.) | 720 nm |
| Photosensitivity (typ.) | 0.45 A/W |
| Dark current (max.) | 200 pA |
| Cutoff frequency (typ.) | 20 MHz |
| Terminal capacitance (typ.) | 25 pF |
| Measurement condition | Typ. Ta=25 ℃, unless otherwise noted, per one element (except for photosensitive area), Photosensitivity: λ=λp, Dark current: VR=5 V, Cutoff frequency: VR=5 V, Terminal capacitance: VR=5 V, f=1 MHz |
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