Calculate the resistor value using the formula R = (V_source - V_f) / I_f. Ensure the resistor power rating exceeds the calculated wattage to prevent overheating.
LEDs Component Intelligence
Precision light-emitting diodes for industrial, consumer, and board-level design.
What are LEDs components?
LEDs are semiconductor light sources used for status indication, backlighting, and illumination. Selection hinges on forward voltage, luminous intensity, viewing angle, and thermal dissipation requirements to ensure long-term reliability in your specific application.
How to Choose LEDs Components
Selecting the right LED requires balancing optical output with electrical constraints and physical mounting requirements.
Optical Requirements
Define luminous intensity (mcd or lumens), wavelength (color), and viewing angle to match your UI or illumination needs.
Electrical Constraints
Match forward voltage (Vf) and current (If) to your driver circuit to prevent overdriving and premature failure.
Package & Mounting
Choose between SMD for automated assembly or through-hole for panel-mount and board-level indication.
Thermal Management
High-power LEDs require adequate PCB copper area or heat sinks to maintain junction temperature within limits.
Environmental Rating
Consider IP ratings or ruggedized housings if the LED will be exposed to dust, moisture, or vibration.
Popular LEDs Components
Live| # | Part | Category |
|---|---|---|