All measurements were done at temperature 24 degC.
I measured SFH203 in darkness (melted in a black PVC insulating tube) and extracted the static parameters. PostScript, PDF.
I used a test rig with a smart tweezer. The smart tweezer shows 1.501pF itself and the rig had calculated capacitance 1.6575pF (2 TMD resistors with short leads in series). Since the measuring device produces a 720mVpp signal, I didn't measure below 0.5V to not put the diode into conduction. The data after correcting for these effects:
| Voltage [V] | Capacity [pF] |
| 0.501 | 7.8484 |
| 0.701 | 7.1326 |
| 1 | 6.3867 |
| 2 | 5.0753 |
| 3 | 4.4272 |
| 4 | 4.0208 |
| 5 | 3.7288 |
| 7 | 3.3214 |
| 12.01 | 2.8029 |
| 15.02 | 2.6122 |
| 20 | 2.3995 |
| 30 | 2.1929 |
| 34 | 2.1716 |
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