400 pcs 20MM PCB 3030 3535 5050 pad can replace 2835 3020 3528 aluminum substrate 6-corner circuit board diameter 19.5mm-20mm

400 pcs 20MM PCB 3030 3535 5050 pad can replace 2835 3020 3528 aluminum substrate 6-corner circuit board diameter 19.5mm-20mm
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sku: 4000279353343
$37.00
Shipping from: China
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