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How do I know if the LED is a reverse-mounted LED

All questions  /  PCB Assembly  /  How do I know if the LED is a reverse-mounted LED
How do I know if the LED is a reverse-mounted LED

28*******1A

2023-07-31 06:17 AM

Is C559118 a reverse-mounted LED, what should I do to solder it?

JLCPCB

2023-07-31 07:21 AM

First, you may check the part in our part lib https://jlcpcb.com/parts/



Generally speaking, if the word "counterpost" is there, it means it is a reverse-mounted part.


And you may check the datasheet as well. From the picture below, we will know it is a reverse type.


To solder a reverse-mounted LED, means you have to make a slot on the board for this part, so the LED emission side will be toward the bottom side.