The SFH2012A is a planar silicon PIN photodiode designed for fiber‑optic communications, featuring a hermetic TQ‑18 package with a flat glass lens. It offers high operating frequency, low reverse current, and fast switching suitable for data rates up to 560 Mbit/s.
Key parameters include a reverse voltage rating of 50 V, storage temperature range from –40 °C to +80 °C, peak photosensitivity at 850 nm, and a cut‑off frequency of 200 MHz. The device is supplied with detailed electrical characteristics such as dark current, capacitance, and quantum yield.
| Package | TQ‑18 Hermetic, 3 leads |
|---|---|
| Reverse Voltage | 50 V |
| Storage Temperature Range | -40 °C to +80 °C |
| Sensitive Area | 1 mm² |
| Dark Current | < 5 nA |
| Cut‑off Frequency | 200 MHz |
| Capacitance | 13 pF |
The device can tolerate a reverse voltage of up to 50 V.
The dark current is less than 5 nA.
The photodiode has a cut‑off frequency of about 200 MHz.