3.3V IO Card Single Chip Microcomputer PLC DC Amplification Board PNP/NPN Conversion Input Optocoupler Isolation Transistor

3.3V IO Card Single Chip Microcomputer PLC DC Amplification Board PNP/NPN Conversion Input Optocoupler Isolation Transistor
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sku: 1005003592887116
$21.57
Shipping from: China
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