3mm Blue Through-Hole LED for Arduino, ESP32 & IoT Projects
Key Highlights
- ✓Compact 3 mm form factor, suitable for through-hole mounting Blue emission, clear or diffused lens options for different visual effects Fairly wide viewing angle for visible illumination off-axis Low power draw with standard current drive (≈ 20 mA) Robust, reliable and RoHS-compliant construction Available in bulk (e.g. tape & reel) for ease of use in production
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Here are typical values (these vary by model/manufacturer; actual LED may differ)
Parameter Typical Value Notes / Range Diameter ~ 3 mm Standard “T-1” size Emitted Color /Wavelength Blue (≈ 450-470 nm) Depending on semiconductor material sunrom.com +3 lampatronics.com +3 Super Bright LEDs +3 Forward Voltage (V_f) ~ 3.0 to 3.5 V Usually around 3.2-3.4 V at 20 mA VCC +2 ecomponentshub.com +2 Forward Current (I_f) 20 mA Standard for many small LEDs lampatronics.com +2 Super Bright LEDs +2 Peak Reverse Voltage ~ 5 V LEDs strongly prefer forward bias; reverse should be limited Super Bright LEDs +1 Luminous Intensity 1,000-2,000 mcd typical (for clear, bright versions) Some higher-flux ones reach ~ 5,500 mcd ecomponentshub.com +2 Super Bright LEDs +2 Viewing Angle ~ 20°-70° depending on lens (narrow for focused, wide for diffused) Diffused lenses tend to have wider angles Super Bright LEDs +2 ecomponentshub.com +2 Lens Color / Lens Type Clear or diffused; round shape Diffused tends to soften light, clear gives sharper point source look lampatronics.com +2 ecomponentshub.com +2 Operating Temperature Range approximately −40°C to +85°C Typical for many blue LEDs Super Bright LEDs +1 Storage Temperature roughly −40°C to +100°C To withstand non-powered conditions Super Bright LEDs +1 Lead / Soldering Conditions Soldering around 260 °C for a few seconds; leads sized for through-hole use Standard practice with care to avoid overheating