Vishay Semiconductors VLMK/R/Y71.. 1 Watt Power SMD LED is a high-power surface mount LED produced by Vishay. It features high brightness, 120 degrees wide viewing angle and ultra-low height. It is suitable for applications such as automotive signal lights, traffic signal lights and lighting.
The VLMK/R/Y71 series (Little Star® 1 W Power SMD LED) is a high‑brightness, ultra‑low‑profile surface‑mount LED designed for automotive, lighting and industrial applications. It offers up to 52 lm/W optical efficiency and a compact 6.0 × 6.0 × 1.5 mm package.
The document lists detailed electrical ratings, optical performance, mechanical dimensions, packaging, storage recommendations and compliance information such as RoHS and AEC‑Q101 qualification.
| Forward current (IF) | 400 mA |
|---|---|
| Power dissipation (Ptot) | 1120 mW |
| Junction temperature (Tj) | +120 °C |
| Thermal resistance (RthJP) | 20 K/W |
| Optical efficiency (ηopt) | up to 52 lm/W |
| Package size (L × W × H) | 6.0 × 6.0 × 1.5 mm |
The LED is rated for a forward current of 400 mA.
Store the devices at 10 °C to 30 °C.
The LED can achieve up to 52 lm/W optical efficiency at 400 mA.
The package measures 6.0 mm × 6.0 mm × 1.5 mm (L × W × H).