main
Ray pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) 888c011 2mo ago
{
 "schema": "adom.pads/1",
 "slug": "bts4140n",
 "footprint": "SOT-223",
 "generated_from": {
  "footprint": "SOT-223@sha256:49f22605ecc1fc70",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -3.15,
   -2.3
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOT-223@sha256:49f22605ecc1fc70"
 },
 "pad_count": 4,
 "symbol_pins": [
  "1",
  "2",
  "3",
  "4"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -3.15,
    -2.3
   ],
   "rot": 0.0,
   "size": [
    2.0,
    1.5
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "IN",
   "type": "input",
   "description": "Current-controlled input. Activates the power switch when connected to GND (pin1 grounded). On-state input current I_IN(on) ≈ 0.3 mA typ (1 mA max). Input resistance R_I ≈ 1 kΩ (0.5-2.5 kΩ). Max input current ±15 mA. ESD ±1 kV.",
   "is_pin1": true,
   "source": {
    "geometry": "SOT-223.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -3.15,
    0.0
   ],
   "rot": 0.0,
   "size": [
    2.0,
    1.5
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "Vbb",
   "type": "power_in",
   "description": "Positive power supply voltage. Operating range V_bb(on) 4.9-60 V (typical automotive 12/24/42 V DC). Overvoltage protection V_bbin(AZ) 62 V. Internally tied to pin 4.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-223.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -3.15,
    2.3
   ],
   "rot": 0.0,
   "size": [
    2.0,
    1.5
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "OUT",
   "type": "output",
   "description": "High-side switched output to the load. On-state resistance R_ON ≈ 1 Ω typ (1.5 Ω max @ 25 °C). Supports resistive, inductive and capacitive loads with output clamp V_ON(CL) ≥ 60 V during inductive switch-off.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-223.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    3.15,
    0.0
   ],
   "rot": 0.0,
   "size": [
    2.0,
    3.8
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "Vbb",
   "type": "power_in",
   "description": "Positive power supply voltage (second Vbb pin, internally tied to pin 2 for improved current handling / thermal spreading via the SOT-223 tab).",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-223.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}