470 Ω Resistor 0402 - Bourns CR0402-FX-4700GLF

@@ -350,9 +350,9 @@ <rect x="1" y="1" width="2" height="1" fill="none" stroke="#FF26E2" stroke-width="0.05" stroke-dasharray="0.2,0.1"/> <rect x="1.5" y="1.25" width="1" height="0.5" fill="none" stroke="#6e7681" stroke-width="0.1"/> <line x1="1.835" y1="1.14" x2="2.165" y2="1.14" stroke="#00cccc" stroke-width="0.12" stroke-linecap="round"/><line x1="1.835" y1="1.86" x2="2.165" y2="1.86" stroke="#00cccc" stroke-width="0.12" stroke-linecap="round"/>-<rect x="1.25" y="1.25" width="0.475" height="0.5" rx="0.1" ry="0.1" fill="#C83434" stroke="#ef5350" stroke-width="0.04"/>+<rect x="1.25" y="1.25" width="0.475" height="0.5" rx="0" ry="0" fill="#C83434" stroke="#ef5350" stroke-width="0.04"/> <text x="1.4875" y="1.5" text-anchor="middle" dominant-baseline="central" font-size="0.214" fill="#fff" font-family="sans-serif">1</text>-<rect x="2.275" y="1.25" width="0.475" height="0.5" rx="0.1" ry="0.1" fill="#C83434" stroke="#ef5350" stroke-width="0.04"/>+<rect x="2.275" y="1.25" width="0.475" height="0.5" rx="0" ry="0" fill="#C83434" stroke="#ef5350" stroke-width="0.04"/> <text x="2.5125" y="1.5" text-anchor="middle" dominant-baseline="central" font-size="0.214" fill="#fff" font-family="sans-serif">2</text> </svg>   </div>@@ -371,7 +371,7 @@   <div class="info-row">          -    <div class="info-item"><span class="info-label">Desc</span><span class="info-value">Land pattern: Bourns datasheet p.2</span></div><div class="info-item"><span class="info-label">Pads</span><span class="info-value">2 &middot; 0.475 &times; 0.5 mm, r 0.1 mm</span></div><div class="info-item"><span class="info-label">Body</span><span class="info-value">1 &times; 0.5 mm</span></div><div class="info-item"><span class="info-label">Courtyard</span><span class="info-value">2 &times; 1 mm</span></div>+    <div class="info-item"><span class="info-label">Desc</span><span class="info-value">Land pattern: Bourns CR Series Thick Film Chip Resistors datasheet, REV. 03/21, p.2 (Recommended Pad Layout)</span></div><div class="info-item"><span class="info-label">Pads</span><span class="info-value">2 &middot; 0.475 &times; 0.5 mm, r 0 mm</span></div><div class="info-item"><span class="info-label">Body</span><span class="info-value">1 &times; 0.5 mm</span></div><div class="info-item"><span class="info-label">Courtyard</span><span class="info-value">2 &times; 1 mm</span></div>   </div>   <div class="info-divider"></div>   <div class="coord-row">

@@ -73,7 +73,7 @@         "h_mm": 0.5,         "drill_mm": 0.0,         "rotation": 0.0,-        "shape": "roundrect"+        "shape": "rect"       },       {         "number": "2",@@ -83,7 +83,7 @@         "h_mm": 0.5,         "drill_mm": 0.0,         "rotation": 0.0,-        "shape": "roundrect"+        "shape": "rect"       }     ],     "graphics": [

⋯ 1 unchanged line ⋯

@@ -2,7 +2,7 @@   (version 20240108)   (generator "adom-basic-parts-overhaul")   (layer "F.Cu")-  (descr "Bourns CR0402-FX-4700GLF, 0402. Land pattern from Bourns CR Series Thick Film Chip Resistors datasheet, REV. 03/21, p.2 (Recommended Pad Layout); corners: datasheet silent; roundrect radius 0.1 mm = min(0.25 x smaller pad side, 0.1 mm), IPC-7351C rounded corners for paste release")+  (descr "Bourns CR0402-FX-4700GLF, 0402. Land pattern from Bourns CR Series Thick Film Chip Resistors datasheet, REV. 03/21, p.2 (Recommended Pad Layout); corners: square, as the datasheet draws them")   (tags "0402")   (attr smd)   (fp_text reference "REF**" (at 0 -1.2) (layer "F.SilkS") (effects (font (size 1 1) (thickness 0.15))))@@ -11,6 +11,6 @@   (fp_rect (start -0.5 -0.25) (end 0.5 0.25) (stroke (width 0.1) (type default)) (fill none) (layer "F.Fab"))   (fp_line (start -0.165 -0.36) (end 0.165 -0.36) (stroke (width 0.12) (type default)) (layer "F.SilkS"))   (fp_line (start -0.165 0.36) (end 0.165 0.36) (stroke (width 0.12) (type default)) (layer "F.SilkS"))-  (pad "1" smd roundrect (at -0.5125 0) (size 0.475 0.5) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.2105))-  (pad "2" smd roundrect (at 0.5125 0) (size 0.475 0.5) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.2105))+  (pad "1" smd rect (at -0.5125 0) (size 0.475 0.5) (layers "F.Cu" "F.Paste" "F.Mask"))+  (pad "2" smd rect (at 0.5125 0) (size 0.475 0.5) (layers "F.Cu" "F.Paste" "F.Mask")) )

@@ -53,9 +53,9 @@ <description>0402 Thick Film Resistor · 470 Ω ±1% · 1/16 W</description> <packages> <package name="CR0402-FX-4700GLF">-  <description>2 pads, 1.5 x 0.5 mm. Bourns CR0402-FX-4700GLF, 0402. Land pattern from Bourns CR Series Thick Film Chip Resistors datasheet, REV. 03/21, p.2 (Recommended Pad Layout); corners: datasheet silent; roundrect radius 0.1 mm = min(0.25 x smaller pad side, 0.1 mm), IPC-7351C rounded corners for paste release</description>-  <smd name="1" x="-0.5125" y="-0.0000" dx="0.4750" dy="0.5000" layer="1" roundness="42"/>-  <smd name="2" x="0.5125" y="-0.0000" dx="0.4750" dy="0.5000" layer="1" roundness="42"/>+  <description>2 pads, 1.5 x 0.5 mm. Bourns CR0402-FX-4700GLF, 0402. Land pattern from Bourns CR Series Thick Film Chip Resistors datasheet, REV. 03/21, p.2 (Recommended Pad Layout); corners: square, as the datasheet draws them</description>+  <smd name="1" x="-0.5125" y="-0.0000" dx="0.4750" dy="0.5000" layer="1"/>+  <smd name="2" x="0.5125" y="-0.0000" dx="0.4750" dy="0.5000" layer="1"/>   <wire x1="-0.5000" y1="0.2500" x2="0.5000" y2="0.2500" width="0.1000" layer="51"/>   <wire x1="0.5000" y1="0.2500" x2="0.5000" y2="-0.2500" width="0.1000" layer="51"/>   <wire x1="0.5000" y1="-0.2500" x2="-0.5000" y2="-0.2500" width="0.1000" layer="51"/>

@@ -36,11 +36,10 @@ Source: Land pattern from Bourns CR Series Thick Film Chip Resistors datasheet, | Gap between pads | 0.5 to 0.6 | 0.48 | 0.4 | 0.55 | | Centre to centre | 0.9 to 1.15 | 1.02 | 1 | 1.025 | | Overall | 1.4 to 1.6 | 1.56 | 1.6 | 1.5 |-| Corner radius | not specified | 0.135 (ratio 0.25) | 0.125 (ratio 0.25) | 0.1 (ratio 0.2105) |+| Corner radius | not specified | 0.135 (ratio 0.25) | 0.125 (ratio 0.25) | square (as drawn) |+Corners: square, as the datasheet draws them. The datasheet does not call for rounded corners, so the footprint does not add any. -Corners: the datasheet drawing shows plain rectangles and says nothing about corners, so the pads are KiCad roundrects with the radius held to 0.25 x the smaller pad side and no more than 0.1 mm. IPC-7351C favours rounded SMD pad corners for cleaner paste release and to avoid stress points; capping the radius keeps the copper area within 3.61 % of a square-cornered pad.--::adom-footprint-variants{src="/adom/cr0402-fx-4700glf/render/footprint-variants/CR0402-FX-4700GLF.variants.json" heading="Pad corners: this footprint, square corners, KiCad default rounding"}+::adom-footprint-variants{src="/adom/cr0402-fx-4700glf/render/footprint-variants/CR0402-FX-4700GLF.variants.json" heading="Pad corners: this footprint (square, as drawn) and KiCad default rounding (not used)"}  ## Chip outline 

⋯ 1 unchanged line ⋯

@@ -69,7 +69,7 @@     "glb": "CR0402-FX-4700GLF.glb",     "glb_sha256": "bb07fcf8807b751a1501ae77fab37b096fe59d47548a3537b6118e155b96f1b3",     "footprint": "CR0402-FX-4700GLF.kicad_mod",-    "footprint_sha256": "c281e08989cc44830e8feab2828cb334092c43bae524c8f9e1fd890cfbd8a1f1",+    "footprint_sha256": "9c602774e10b4653ef283dbf3fca8bbf00d10ed53de13975481d74e17fed1bbf",     "pins": "page.json component.pins",     "pins_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"   },@@ -97,7 +97,7 @@   "pads": [     {       "number": "1",-      "shape": "roundrect",+      "shape": "rect",       "center_mm": [         -0.5125,         0.0@@ -110,7 +110,7 @@     },     {       "number": "2",-      "shape": "roundrect",+      "shape": "rect",       "center_mm": [         0.5125,         0.0

@@ -2,7 +2,7 @@   (version 20240108)   (generator "adom-basic-parts-overhaul")   (layer "F.Cu")-  (descr "Bourns CR0402-FX-4700GLF, 0402. Land pattern from Bourns CR Series Thick Film Chip Resistors datasheet, REV. 03/21, p.2 (Recommended Pad Layout); corners: datasheet silent; roundrect radius 0.1 mm = min(0.25 x smaller pad side, 0.1 mm), IPC-7351C rounded corners for paste release")+  (descr "Bourns CR0402-FX-4700GLF, 0402. Land pattern from Bourns CR Series Thick Film Chip Resistors datasheet, REV. 03/21, p.2 (Recommended Pad Layout); corners: square, as the datasheet draws them")   (tags "0402")   (attr smd)   (fp_text reference "REF**" (at 0 -1.2) (layer "F.SilkS") (effects (font (size 1 1) (thickness 0.15))))@@ -11,6 +11,6 @@   (fp_rect (start -0.5 -0.25) (end 0.5 0.25) (stroke (width 0.1) (type default)) (fill none) (layer "F.Fab"))   (fp_line (start -0.165 -0.36) (end 0.165 -0.36) (stroke (width 0.12) (type default)) (layer "F.SilkS"))   (fp_line (start -0.165 0.36) (end 0.165 0.36) (stroke (width 0.12) (type default)) (layer "F.SilkS"))-  (pad "1" smd roundrect (at -0.5125 0) (size 0.475 0.5) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.2105))-  (pad "2" smd roundrect (at 0.5125 0) (size 0.475 0.5) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.2105))+  (pad "1" smd rect (at -0.5125 0) (size 0.475 0.5) (layers "F.Cu" "F.Paste" "F.Mask"))+  (pad "2" smd rect (at 0.5125 0) (size 0.475 0.5) (layers "F.Cu" "F.Paste" "F.Mask")) )

@@ -5,21 +5,14 @@   "variants": [     {       "suffix": "",-      "device": "this page",+      "device": "this page (square, as drawn)",       "kicad_mod": "CR0402-FX-4700GLF.kicad_mod",       "footprintName": "CR0402-FX-4700GLF",-      "changed": "the page footprint: roundrect, corner radius 0.1 mm (ratio 0.2105)"-    },-    {-      "suffix": "-SQ",-      "device": "square corners",-      "kicad_mod": "CR0402-FX-4700GLF-SQ.kicad_mod",-      "footprintName": "CR0402-FX-4700GLF-SQ",-      "changed": "same pads as plain rectangles, as the datasheet draws them"+      "changed": "the page footprint: plain rectangles, square corners, as the datasheet draws them"     },     {       "suffix": "-RR25",-      "device": "KiCad default rounding",+      "device": "KiCad default rounding (not used)",       "kicad_mod": "CR0402-FX-4700GLF-RR25.kicad_mod",       "footprintName": "CR0402-FX-4700GLF-RR25",       "changed": "same pads with roundrect_rratio 0.25 (KiCad's default), radius 0.1187 mm"