SMD Polarity Identification of LED, Capacitor, Diode, Inductor, IC(part 2)

What SMDs Components are Polarized?

Only polarized SMDs require polarity identification. Below are the polarized and non-polarized SMD components.

SMD components Non-polarized Polarized
Resistors / All resistors
Capacitors Ceramic capacitors Electrolytic capacitors, tantalum capacitors
Inductors Chip inductors Multi-pin inductors
Diodes / All diodes including LEDs
ICs / All ICs including BGAs

 SMD resistors are non-polarized

As you can see, all resistors are non-polarized components, and all diodes, LEDs, ICs are polarized.

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