The MT4750-UBL is a high power output, high reliability blue visible emitter, suitable for optical sensors, fiber optic communications and indicators applications.
The MT4750-UBL is a high‑power, high‑reliability blue visible emitter designed for optical sensor and fiber‑optic communication applications. It offers a compact package with a peak wavelength of 465 nm and a dominant wavelength of 470 nm.
The datasheet lists electrical ratings such as a forward current of 25 mA, forward voltage between 3.60 V and 4.20 V, and a reverse voltage of 5 V. Thermal limits are -20 °C to +80 °C for operation and -30 °C to +100 °C for storage. Graphs illustrate forward I‑V characteristics, radiation pattern, thermal derating, and spectral output.
| Forward Current | 25 mA |
|---|---|
| Forward Voltage (20 mA) | 3.60 V – 4.20 V |
| Reverse Voltage | 5 V |
| Power Dissipation | 120 mW |
| Operating Temperature | -20 °C to +80 °C |
| Storage Temperature | -30 °C to +100 °C |
| Junction Temperature | 100 °C |
| Peak Wavelength | 465 nm |
| Dominant Wavelength | 470 nm |
| Luminous Intensity | 2500 cd |
| Beam Angle (Half Intensity) | 8 deg |
The forward voltage is between 3.60 V and 4.20 V.
The peak wavelength is 465 nm.
The device operates from –20 °C to +80 °C.
The maximum forward current is 25 mA.