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Std edition Voltage exceed Protection circuit

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Published Time: 2020-05-24 12:20:37
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Description
I used this circuit to complete my KhudaydusUno 32 bit MicroController board thus I could protect any accedent shorting between +3.3V & +5V ports. Thus preventing any damage may occurs on PIC32 Chip (supplied with+3.3V)
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity BOM_Manufacturer Part
1 1N4001 D1,D2,D3,D4,D5 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 5 1N4001
2 2N2222A Q1 TO-92-3_L4.8-W3.7-P2.54-R 1 2N2222A
3 3 PIN FEMALE HEADER U1 3-PIN HEADER FOOTPRINT 1 3pin female header
4 10 R1 RES-TH_BD1.9-L3.3-P7.30-D0.5 1 MFR-12FTE52-510K

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