This document is the datasheet of Vishay Semiconductors VLMF31.., which provides a detailed introduction of the product's features and characteristics.
The VLMF31.. series are high‑intensity SMD LEDs offered by Vishay Semiconductors. The handbook lists features such as exceptional brightness, low power consumption, RoHS compliance, and compatibility with automatic placement equipment. It also provides application examples ranging from automotive dashboard backlighting to LCD indicator lighting.
Detailed sections cover part numbers, luminous intensity ranges, absolute maximum ratings, optical and electrical characteristics, package dimensions, tape and reel packaging, soldering profiles, and storage recommendations. Legal and environmental notices conclude the document.
| Forward voltage (VF) at 20 mA | 2.0 – 2.6 V |
|---|---|
| Reverse voltage (VR) | 5 V DC |
| Power dissipation (PV) | 80 mW |
| Junction temperature (Tj) max | 125 °C |
| Operating temperature range (Tamb) | -40 °C to +100 °C |
| Storage temperature range (Tstg) | -40 °C to +100 °C |
| Thermal resistance (RthJA) | 400 K/W |
| Luminous intensity (VLMF31S1T1) | 180 – 355 mcd |
| Dominant wavelength (λd) | 598 – 611 nm |
The storage temperature range is –40 °C to +100 °C.
The forward voltage is between 2.0 V and 2.6 V.
It provides a luminous intensity of 180 – 355 mcd.