SFH 4258 SFH 4259 are infrared emitters from Infineon with high output power, wavelength of 850 nm, half-angles of ±15° and ±25°, and are suitable for applications such as infrared illumination, IR data transmission and sensors.
The SFH 4258 and SFH 4259 are high‑power infrared LEDs with a typical peak wavelength of 850 nm. They deliver high radiant intensity and are suited for infrared illumination of CMOS cameras, IR data transmission and optical sensors. The devices feature half‑angles of +15° (SFH 4258) and +25° (SFH 4259) and can operate at high forward currents even at elevated temperatures.
The datasheet provides detailed electrical ratings, thermal characteristics, mechanical dimensions, recommended solder pad designs and soldering profiles. Safety advice references IEC 60825‑1 and IEC 62471, and packaging information includes RoHS compliance and recycling instructions.
| Peak wavelength | 850 nm |
|---|---|
| Half angle (SFH 4258) | +15° |
| Half angle (SFH 4259) | +25° |
Both devices have a typical peak wavelength of 850 nm.
The LEDs must be handled according to IEC 60825‑1 and IEC 62471 safety guidelines.