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footprint.As soon as you check the 'Use Mfr's recommended..." box you're overriding the calculation and forcing the use of whatever values are entered in each textbox adjacent to the referenced
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. We found that an average total heating time of 4 to 4½ minutes (240-270 seconds) is a good, relatively conservative estimate. For this simple calculation, we recommend that you ignore the cooling part of the welded profile
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. In my example, b and b1 is set to be max 1 mm, however, W and W1 is calculated to be only 0.93, why not >=1? Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined
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. In my example, b and b1 is set to be max 1 mm, however, W and W1 is calculated to be only 0.93, why not >=1? Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined
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Posted: 25 Aug 2014 at 6:57pm The answer to your question is that the "Side" solder joint goals for the pad width calculation are equal to or less than the Max Lead Width
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3.3 also presented in the IPC-7351B documentation and this defines the calculation of a rotation as follows: "The rotation attribute is of type nonNegativeDouble that defines the rotation of a shape about the local origin
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..." box you're overriding the calculation and forcing the use of whatever values are entered in each textbox adjacent to the referenced dimension
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" Posted: 18 Apr 2013 at 11:39pm For example, if you create a molded body inductor and then fill in the manufacturers recommended footprint dimensions S, L and W but leave L1 and W1 unfilled
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. We found that an average total heating time of 4 to 4½ minutes (240-270 seconds) is a good, relatively conservative estimate. For this simple calculation, we recommend that you ignore the cooling part of the welded profile
