The TLGE123 is a green‑emitting InGaAgP LED lamp offered by Toshiba. This datasheet lists its electrical and optical characteristics, mechanical dimensions, and recommended handling procedures for designers and manufacturers.
Key specifications include a typical forward voltage of 2.8 V at 20 mA, a maximum forward current of 50 mA, peak emission wavelength of 574 nm, and operating temperature range from –30 °C to 85 °C. Precautions such as a maximum soldering temperature of 260 °C and warnings about IR emission are also provided.
| Forward Voltage (typical, 20 mA) | 2.8 V |
|---|---|
| Reverse Current (max, VR=4 V) | 50 µA |
| Luminous Intensity (typical) | 450 |
| Peak Emission Wavelength | 574 nm |
| Spectral Line Half Width | 4 nm |
| Dominant Wavelength | 571 nm |
| Maximum Forward Current (DC) | 50 mA |
| Operating Temperature Range | -30 °C to 85 °C |
| Storage Temperature Range | -40 °C to 120 °C |
| Recommended Forward Current | 15–20 mA DC |
| Maximum Soldering Temperature | 260 °C |
The recommended forward current is 15 mA to 20 mA (DC).
The maximum forward current rating is 50 mA (DC).
The device can operate from –30 °C up to 85 °C.
The peak emission wavelength is 574 nm.