This document is a specification for the L-493IT LED lamp. The lamp is made with a high efficiency red light emitting diode and features a wide viewing angle, low power consumption, reliability, ruggedness, and long life.
The L-493IT is a high‑efficiency red LED lamp in a T‑1 3/4 (5 mm) cylindrical package. It offers a wide 140° viewing angle, low power consumption, solid‑state reliability and RoHS compliance, making it suitable for lighting and indicator applications.
The datasheet lists electrical and optical characteristics such as a peak wavelength of 627 nm, forward voltage of 2.0‑2.5 V at 20 mA, reverse current of 10 µA, power dissipation of 105 mW, and an operating temperature range of –40 °C to +85 °C. Mechanical limits include a lead solder temperature of 260 °C for up to 5 seconds. This manual is written in Chinese.
| Dominant Wavelength | 625 nm |
|---|---|
| Forward Voltage (20 mA) | 2.0‑2.5 V |
| Reverse Current (5 V) | 10 µA |
| Power Dissipation | 105 mW |
| DC Forward Current | 30 mA |
| Reverse Voltage | 5 V |
| Operating Temperature | -40 °C to +85 °C |
It requires a forward voltage between 2.0 V and 2.5 V at 20 mA.
Yes, the datasheet lists RoHS compliance under the features.
The maximum reverse voltage is 5 V.