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Add ESD protection to endstop inputs #7

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allspice-kyle commented 2022-01-12 03:17:32 +00:00
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@valentina does this mounting point still fit the enclosure standoffs?

!thumbnail[](Archimajor.PcbDoc){ diff="AllSpice/Archimajor:b3d8f4944eb75153b8fa17971bfa92dc89bf8cbd...078977c646cae5ceb4a742a237cc5af05467e1c1" layers="82,74,72,71,69,68,66,65,64,63,60,59,58,57,33,35,37,1,2,41,40,39,32,38,34" view-coords="23.5,38.8,33.5,48.1" aspect-ratio="1.345" } @valentina does this mounting point still fit the enclosure standoffs?

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Archimajor.csv
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@ -25,7 +25,7 @@ Description,Designator,Footprint,Quantity,MANUFACTURER,MANUFACTURER #
"CAP CER 0402 22pF 50V 5% C0G","C151","C0402","1","AVX","04025A220JAT2A" "CAP CER 0402 22pF 50V 5% C0G","C151","C0402","1","AVX","04025A220JAT2A"
"CAP ALUM 470UF 20% 50V SMD","C152A, C152B, C152C, C152D, C152E, C152F, C152G, C152H","CAP16x17","8","Nichicon","UCZ1H471MNQ1MS" "CAP ALUM 470UF 20% 50V SMD","C152A, C152B, C152C, C152D, C152E, C152F, C152G, C152H","CAP16x17","8","Nichicon","UCZ1H471MNQ1MS"
"Capacitor Non Polarized","C198","C0402","1","","DNI-C0402TBD" "Capacitor Non Polarized","C198","C0402","1","","DNI-C0402TBD"
"TVS DIODE 3.3VWM 10.4VC SOD923","D1, D42, D64, D65, D66, D67, D68, D69, D71, D72, D73","SOD923-100X40-2N","11","On Semi","ESD9X3.3ST5G" "TVS DIODE 3.3VWM 10.4VC SOD923","D1, D3, D13, D32, D33, D34, D35, D42, D58, D59, D64, D65, D66, D67, D68, D69, D71, D72, D73","SOD923-100X40-2N","19","On Semi","ESD9X3.3ST5G"
"DIODE SCHOTTKY 40V 5A SMB_DO214AA","D2","SMB_DO-214AA_LRG","1","MCC","SK54B-LTP" "DIODE SCHOTTKY 40V 5A SMB_DO214AA","D2","SMB_DO-214AA_LRG","1","MCC","SK54B-LTP"
"DIODE TVS","D4, D10, D11, D14, D26","SOD323-R","5","Rohm","RSB39VTE-17" "DIODE TVS","D4, D10, D11, D14, D26","SOD323-R","5","Rohm","RSB39VTE-17"
"DIODE SCHOTTKY 30V 200MA SOD523","D5, D12A, D12B, D12C, D12D, D12E, D12F, D12G, D12H, D19A, D19B, D19C, D19D, D19E, D19F, D19G, D19H, D20A, D20B, D20C, D20D, D20E, D20F, D20G, D20H, D28, D29, D30, D31, D36, D37, D38, D39, D40, D41, D50, D51, D52, D53, D54, D55, D56, D57, D60, D61, D62, D63, D70, D74, D75, D76, D77","SOD523_IPC","52","Diodes Incorporated","BAT54WX-TP" "DIODE SCHOTTKY 30V 200MA SOD523","D5, D12A, D12B, D12C, D12D, D12E, D12F, D12G, D12H, D19A, D19B, D19C, D19D, D19E, D19F, D19G, D19H, D20A, D20B, D20C, D20D, D20E, D20F, D20G, D20H, D28, D29, D30, D31, D36, D37, D38, D39, D40, D41, D50, D51, D52, D53, D54, D55, D56, D57, D60, D61, D62, D63, D70, D74, D75, D76, D77","SOD523_IPC","52","Diodes Incorporated","BAT54WX-TP"

1 Description Designator Footprint Quantity MANUFACTURER MANUFACTURER #
25 CAP ALUM 470UF 20% 50V SMD C152A, C152B, C152C, C152D, C152E, C152F, C152G, C152H CAP16x17 8 Nichicon UCZ1H471MNQ1MS
26 Capacitor Non Polarized C198 C0402 1 DNI-C0402TBD
27 TVS DIODE 3.3VWM 10.4VC SOD923 D1, D42, D64, D65, D66, D67, D68, D69, D71, D72, D73 D1, D3, D13, D32, D33, D34, D35, D42, D58, D59, D64, D65, D66, D67, D68, D69, D71, D72, D73 SOD923-100X40-2N 11 19 On Semi ESD9X3.3ST5G
28 DIODE SCHOTTKY 40V 5A SMB_DO214AA D2 SMB_DO-214AA_LRG 1 MCC SK54B-LTP
29 DIODE TVS D4, D10, D11, D14, D26 SOD323-R 5 Rohm RSB39VTE-17
30 DIODE SCHOTTKY 30V 200MA SOD523 D5, D12A, D12B, D12C, D12D, D12E, D12F, D12G, D12H, D19A, D19B, D19C, D19D, D19E, D19F, D19G, D19H, D20A, D20B, D20C, D20D, D20E, D20F, D20G, D20H, D28, D29, D30, D31, D36, D37, D38, D39, D40, D41, D50, D51, D52, D53, D54, D55, D56, D57, D60, D61, D62, D63, D70, D74, D75, D76, D77 SOD523_IPC 52 Diodes Incorporated BAT54WX-TP
31 DIODE Schottky 3A SMA D6, D7, D8, D15 SMA-SM 4 MCC SK310A

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allspice-kyle commented 2022-01-12 03:18:50 +00:00
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@jon Are these TVS diodes still approved for new use?

!thumbnail[](EndStops.SchDoc){ diff="AllSpice/Archimajor:b3d8f4944eb75153b8fa17971bfa92dc89bf8cbd...078977c646cae5ceb4a742a237cc5af05467e1c1" view-coords="72.7,76.8,81.7,83.4" aspect-ratio="1.284" } @jon Are these TVS diodes still approved for new use?