SFH 4235 is a high power infrared emitter with 850nm wavelength. It features high efficiency, small size, high current, low thermal resistance, high ESD resistance and superior corrosion robustness.
The SFH 4235 is a high‑efficiency infrared light source with a 1 × 1 mm emitting area, designed for applications such as camera illumination, surveillance, driver‑assist systems and machine‑vision. It delivers up to 1 A forward current and a peak emission wavelength around 860 nm.
The document provides detailed electrical and thermal ratings, optical characteristics, package dimensions, recommended solder‑pad design and lead‑free reflow profiles, as well as safety guidelines referencing IEC 60825‑1 and IEC 62471. This manual is written in German.
| Maximum forward current | 1 A |
|---|---|
| Reverse voltage | 1 V |
| Power consumption | 3.4 W |
| Thermal resistance (junction‑to‑solder point) | 9 K/W |
| Peak emission wavelength | 860 nm |
| Centroid emission wavelength | 850 nm |
| Half‑angle radiation pattern | 0 ° – 60 ° |
| Active chip area | 1 × 1 mm |
| Typical total radiant flux | 630 mW |
| Maximum total radiant flux | 1000 mW |
The device is rated for a maximum forward current of 1 A.
The peak emission wavelength is 860 nm.
The thermal resistance from the junction to the solder point is 9 K/W.
Safety guidelines follow IEC 60825‑1 and IEC 62471.