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How to represent Off-PCB components 01

3 months ago 68
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This is the first in a series of projects to demonstrate the issues around - and by using the Convert to PCB and Add into BoM attributes - a solution for: 1) clearly representing in a schematic, both the components that are on - or form an intergral part of - a PCB, i.e. those that are On-PCB and the components that do not, i.e. those that are Off-PCB, in order that the function of the circuit represented by that schematic is clear and easy to read; 2) clarifying the component ordering process by using the Add into BoM attribute to selectively list both on- and off-PCB components in the BoM so that, if desired, all the components necessary to complete the function of the circuit represented by the schematic can be purchased from a single BoM; 3) using the Convert to PCB attribute to ensure that only the components that are on - or form an intergral part of - a PCB are correctly represented on that PCB.

In all the series of "How to represent Off-PCB components" examples 01, 02a, 02b, 03 and 04, the circuit and the components are the same.

This is a simple circuit which has 4 pin interface connector, a transistor, a capacitor and a fuse holder - containing a fuse - mounted on the PCB.

It also has a 3 pin connector or possibly just 3 pads defined by a dummy connector, to connect to a pot that is not mounted on the PCB.





ID Name Designator Footprint Quantity
1 10K R1 OFF-PCB POT 1
3 1u C1 CAP-D3.0×F1.5 1
4 2N3904 Q1 TO-92-3_L5.1-W4.1-P1.27-L 1
5 HDR-M-2.54_1x4 J2 HDR-M-2.54_1X4 1


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