The SFH 4751 is a red light emitting diode from OSRAM with a power output of 3.1 W. It is used in applications such as lighting, surveillance, data transmission, and traffic monitoring.
The SFH 4751 OSTAR is a 6‑fold infrared LED with optics, designed for camera illumination, surveillance, IR data transmission and machine‑vision systems. It emits at 940 nm and is lead‑free, meeting RoHS requirements.
The datasheet lists maximum ratings, electrical characteristics, mechanical dimensions, radiant intensity and safety guidelines (IEC 60825‑1, IEC 62471). It also includes recommended wire‑bonding dimensions and packaging information.
| Optical power (IF=1A) | 3.1 W |
|---|---|
| Active chip area | 2.1 × 3.2 mm |
| Maximum forward current | 1 A |
| Thermal resistance (junction‑to‑base) | 3 K/W |
| Peak emission wavelength | 940 nm |
| ESD protection | 2 kV |
| Forward voltage | 9.8 V (typ.) |
| Power consumption | 12 W |
| Radiant intensity (min) | 630 mW/sr |
| Half‑angle | 70° |
The device is rated for a maximum forward current of 1 A.
Yes, the component is lead‑free and RoHS compliant.