Key facts
- Brand
- Vishay
- Model
- VLMF31
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-09
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Vishay VLMF31.. LED Handbook
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.
Vishay VLMF31 specifications
| 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 |
Source: Vishay VLMF31.. LED Handbook
All Vishay VLMF31 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the recommended storage temperature range for the VLMF31.. LED?
The storage temperature range is –40 °C to +100 °C.
What is the forward voltage at a 20 mA forward current?
The forward voltage is between 2.0 V and 2.6 V.
What soldering profile is recommended for the VLMF31.. LED?
A lead‑free reflow soldering profile according to J‑STD‑020C is recommended.