This is a Vishay TLDR490 LED with the features of exceptional brightness, very high intensity even at low drive currents, small viewing angle, low forward voltage, 3 mm (T-1) untinted non-diffused package, deep red color, categorized for luminous intensity, outstanding material efficiency, lead-free device. It can be used in bright ambient lighting conditions, battery powered equipment, indoor and outdoor information displays, portable equipment, telecommunication indicators, general use.
The TLDR490 series is a deep‑red, high‑intensity LED built with double‑heterojunction GaAlAs on GaAs technology. It is offered in a clear 3 mm (T‑1) non‑diffused package and provides exceptional brightness even at low drive currents, a small viewing angle, and low forward voltage.
Typical applications include bright ambient lighting, battery‑powered equipment, indoor and outdoor displays, portable devices, and telecommunication indicators. The datasheet lists absolute maximum ratings, optical and electrical characteristics, and package dimensions, along with compliance statements and legal notices.
| Reverse voltage | 6 V |
|---|---|
| Maximum forward current | 50 mA |
| Junction temperature limit | 100 °C |
| Operating temperature range | -40 °C to +100 °C |
| Storage temperature range | -55 °C to +100 °C |
| Thermal resistance (junction‑to‑ambient) | 400 K/W |
The device can handle a maximum DC forward current of 50 mA.
The LED is rated for operation from –40 °C up to +100 °C ambient temperature.