component

A1257WR-S-4P

Public Made by Adom

by adom

CJT Changjiang Connectors Wire To Board Connector, SMD,P=1.25mm,卧贴. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentconnectorsa1257wr-s-4pfactory-2.0.0extractor-text

Verified A1257WR-S-4P

by Ray · last 6 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

6 Nov 2026RayPublished by the parts factory: tier lcsc, 4 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: A1257WR-S-4P · JST_GH_SM04B-GHS-TB_1x04-1MP_P1.25mm_Horizontal · 4 pins
  • ✓copper: 6 copper pads, none touching another net
  • ✓datasheet: all 4 pin names found in the 4-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: JST_GH_SM04B-GHS-TB_1x04-1MP_P1.25mm_Horizontal
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-2yo8gc0u/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • •package_fit (skip): a connector's drawing does not give a package outline's A, D and E (datasheet p.4)
  • ✓pads: 4 pins = 5 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 4 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ a1257wr-s-4p.kicad_sym✓ a1257wr-s-4p.kicad_mod✓ a1257wr-s-4p.step
Spot something wrong? Report it as an issue Propose a fix Records are signed by members of adom.
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← Commit history

a1257wr-s-4p: factory component page (tier=lcsc)

Ray ·cf1e7602e6 ·9h ago ·parent f7227fc
1 file changed +144−27
page.json+144−27
page.json+144−27
@@ -1,8 +1,11 @@ {+  "schema_version": 1,+  "type": "component",   "slug": "a1257wr-s-4p",+  "title": "A1257WR-S-4P",+  "brief": "CJT Changjiang Connectors Wire To Board Connector, SMD,P=1.25mm,卧贴. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",   "version": "0.1.0",-  "type": "component",-  "description": "CJT Changjiang Connectors Wire To Board Connector, SMD,P=1.25mm,卧贴. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",+  "license": "CC-BY-SA-4.0",   "tags": [     "component",     "connectors",@@ -10,26 +13,6 @@     "factory-2.0.0",     "extractor-text"   ],-  "dependencies": {},-  "hero": {-    "type": "image",-    "path": "docs/hero.png"-  },-  "files": [-    "page.json",-    "README.md",-    "a1257wr-s-4p.kicad_sym",-    "a1257wr-s-4p.kicad_mod",-    "a1257wr-s-4p.glb",-    "a1257wr-s-4p.step",-    "a1257wr-s-4p.lbr",-    "docs/hero.png",-    "docs/a1257wr-s-4p-datasheet.pdf",-    "viewers/symbol.html",-    "viewers/footprint.html",-    "a1257wr-s-4p-hero.glb",-    "a1257wr-s-4p-hero.overlay.json"-  ],   "component": {     "mpn": "A1257WR-S-4P",     "manufacturer": "CJT Changjiang Connectors",@@ -137,7 +120,7 @@           4.25         ],         "zmin_mm": -0.005,-        "centre_offset_mm": 0,+        "centre_offset_mm": 0.0,         "footprint_binding": "identity",         "sha256": "aacba39c0ebf407941d81e202e5fc85121532adadfd38f26725330dea8815ac7",         "checked": "2026-11-06",@@ -165,10 +148,144 @@       }     }   },-  "visibility": "public",-  "org": "adom",+  "metadata": {+    "specs": {+      "Manufacturer": "CJT Changjiang Connectors",+      "Package": "JST_GH_SM04B-GHS-TB_1x04-1MP_P1.25mm_Horizontal",+      "Category": "Connectors",+      "Pins": "4"+    },+    "appearance": {+      "contacts": {+        "quote": "*Material:Pin:Brass/Tin over Nickel",+        "page": 3,+        "doc": "ds.pdf",+        "material": "Brass",+        "plating": "tin"+      },+      "housing": {+        "quote": "Insulator:Nylon 9T,UL94V-0",+        "page": 3,+        "doc": "ds.pdf",+        "material": "Nylon"+      },+      "version": 1,+      "datasheet_sha256": ""+    },+    "characteristics": {+      "version": 1,+      "source": "datasheet",+      "datasheet_sha256": "",+      "rows": [+        {+          "name": "Current rating",+          "symbol": "",+          "kind": "electrical",+          "unit": "A",+          "min": null,+          "typ": null,+          "max": 1,+          "conditions": "AC, DC",+          "source_page": 1,+          "source": "datasheet"+        },+        {+          "name": "Voltage rating",+          "symbol": "",+          "kind": "electrical",+          "unit": "V",+          "min": null,+          "typ": null,+          "max": 50,+          "conditions": "AC, DC",+          "source_page": 1,+          "source": "datasheet"+        },+        {+          "name": "Contact resistance",+          "symbol": "",+          "kind": "electrical",+          "unit": "m",+          "min": null,+          "typ": null,+          "max": 30,+          "conditions": "",+          "source_page": 1,+          "source": "datasheet"+        },+        {+          "name": "Insulation resistance",+          "symbol": "",+          "kind": "electrical",+          "unit": "M",+          "min": 100,+          "typ": null,+          "max": null,+          "conditions": "",+          "source_page": 1,+          "source": "datasheet"+        },+        {+          "name": "Withstanding voltage",+          "symbol": "",+          "kind": "electrical",+          "unit": "V AC",+          "min": null,+          "typ": null,+          "max": 500,+          "conditions": "1 minute",+          "source_page": 1,+          "source": "datasheet"+        },+        {+          "name": "Operating temperature range",+          "symbol": "",+          "kind": "recommended_operating",+          "unit": "°C",+          "min": -40,+          "typ": null,+          "max": 105,+          "conditions": "",+          "source_page": 1,+          "source": "datasheet"+        }+      ]+    }+  },+  "variants": [],+  "sections": [+    "hero",+    "viewers",+    "readme",+    "breadcrumbs",+    "info"+  ],+  "discovery_triggers": [+    "a1257wr-s-4p"+  ],+  "discovery_pitch": "A1257WR-S-4P (CJT Changjiang Connectors) component page: datasheet pinout, KiCad symbol, footprint and 3D.",   "author": {     "name": "Ray",     "email": "[email protected]"-  }-}\ No newline at end of file+  },+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "a1257wr-s-4p.kicad_sym",+    "a1257wr-s-4p.kicad_mod",+    "a1257wr-s-4p.glb",+    "a1257wr-s-4p.step",+    "a1257wr-s-4p.lbr",+    "docs/hero.png",+    "docs/a1257wr-s-4p-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "a1257wr-s-4p-hero.glb",+    "a1257wr-s-4p-hero.overlay.json"+  ]+}