UNIROYAL LR12 Series

{
  "schema_version": 1,
  "slug": "uniroyal-lr12-series",
  "type": "component",
  "kind": "group",
  "version": "0.1.0",
  "title": "UNIROYAL LR12 Series",
  "brief": "31 Uniroyal LR12 resistors.",
  "readme": "# UNIROYAL LR12 Series\n\n**31 MPNs.**\n\n- Datasheets: each row links the document that applies (Metal strip LR: 31).\n\n- Packages: 2512 (22), SMD,6.4x3.2mm (9)\n\n## Members\n\n| MPN | Value | Tol | Power | Class | Datasheet | Stock |\n|---|---|---|---|---|---|---|\n| `LR122WF100NT4E` | 1mΩ | ±1% | 2W | [1mΩ 2512](/adom/1milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 3,829 |\n| `LR123WF300NT4E` | 3mΩ | ±1% | 3W | [3mΩ 2512](/adom/3milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 3,192 |\n| `LR122WF300NT4E` | 3mΩ | ±1% | 2W | — | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 1,698 |\n| `LR123WF400NT4E` | 4mΩ | ±1% | 3W | [4mΩ 2512](/adom/4milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 82 |\n| `LR122WF600NT4E` | 6mΩ | ±1% | 2W | — | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 85 |\n| `LR122WF680NT4E` | 6.8mΩ | ±1% | 2W | — | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 2,592 |\n| `LR123WF800NT4E` | 8mΩ | ±1% | 3W | [8mΩ 2512](/adom/8milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 268 |\n| `LR122WF900NT4E` | 9mΩ | ±1% | 2W | — | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 2,927 |\n| `LR122WF100MT4E` | 10mΩ | ±1% | 2W | — | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 1,540 |\n| `LR122WF120MT4E` | 12mΩ | ±1% | 2W | — | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 3,966 |\n| `LR123WF120MT4E` | 12mΩ | ±1% | 3W | [12mΩ 2512](/adom/12milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 2,990 |\n| `LR122WF150MT4E` | 15mΩ | ±1% | 2W | [15mΩ 2512](/adom/15milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 1,041 |\n| `LR122WF160MT4E` | 16mΩ | ±1% | 2W | — | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 6 |\n| `LR122WF200MT4E` | 20mΩ | ±1% | 2W | [20mΩ SMD,6.4x3.2mm](/adom/20milli-smd-6-4x3-2mm-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 2,820 |\n| `LR123WF200MT4E` | 20mΩ | ±1% | 3W | [20mΩ SMD,6.4x3.2mm](/adom/20milli-smd-6-4x3-2mm-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 1,158 |\n| `LR122WF330MT4E` | 33mΩ | ±1% | 2W | [33mΩ 2512](/adom/33milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 4,489 |\n| `LR123WF370MT4E` | 37mΩ | ±1% | 3W | — | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 2,438 |\n| `LR123WF390MT4E` | 39mΩ | ±1% | 3W | [39mΩ 2512](/adom/39milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 2,858 |\n| `LR122WF400MT4E` | 40mΩ | ±1% | 2W | [40mΩ 2512](/adom/40milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 180 |\n| `LR122WF500MT4E` | 50mΩ | ±1% | 2W | [50mΩ 2512](/adom/50milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 15,812 |\n| `LR123WF500MT4E` | 50mΩ | ±1% | 3W | [50mΩ 2512](/adom/50milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 14,152 |\n| `LR122WF600MT4E` | 60mΩ | ±1% | 2W | [60mΩ 2512](/adom/60milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 1,326 |\n| `LR123WF650MT4E` | 65mΩ | ±1% | 3W | [65mΩ 2512](/adom/65milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 3,244 |\n| `LR122WF650MT4E` | 65mΩ | ±1% | 2W | [65mΩ 2512](/adom/65milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 796 |\n| `LR123WF680MT4E` | 68mΩ | ±1% | 3W | [68mΩ 2512](/adom/68milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 3,928 |\n| `LR122WF750MT4E` | 75mΩ | ±1% | 2W | [75mΩ 2512](/adom/75milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 4,581 |\n| `LR122WF800MT4E` | 80mΩ | ±1% | 2W | [80mΩ 2512](/adom/80milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 1,974 |\n| `LR122WF100LT4E` | 100mΩ | ±1% | 2W | — | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 197 |\n| `LR122WF120LT4E` | 120mΩ | ±1% | 2W | [120mΩ 2512](/adom/120milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 8,686 |\n| `LR122WF200LT4E` | 200mΩ | ±1% | 2W | [200mΩ 2512](/adom/200milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 4,375 |\n| `LR122WF220LT4E` | 220mΩ | ±1% | 2W | [220mΩ 2512](/adom/220milli-2512-resistors) | [Metal strip LR](https://www.royalohm.com/assets/pdf/products/smd/15.pdf) (mfr) | 14,760 |",
  "tags": [
    "passives-2026-10",
    "tier:series",
    "family:resistor",
    "mfr:uniroyal"
  ],
  "because": "SERIES group page for 31 resistors from Uniroyal. Under the passives architecture (ray/passives-architecture) no MPN gets its own page; they are rows here. Class and CAD pages are shared across manufacturers; MPNs with their own single-part page are linked, not duplicated.",
  "hero": {
    "type": "billboard",
    "headline": "UNIROYAL LR12 Series",
    "subhead": "All 31 LR12 parts with datasheets and shared CAD."
  },
  "component": {
    "mpn": "UNIROYAL-LR12-SERIES",
    "manufacturer": "",
    "package": "",
    "pin_count": null,
    "category": "",
    "subcategory": "",
    "body_size": null,
    "parts": {},
    "distributor_links": {},
    "group": {
      "tier": "series",
      "member_count": 31,
      "members": [
        "LR122WF100LT4E",
        "LR122WF100MT4E",
        "LR122WF100NT4E",
        "LR122WF120LT4E",
        "LR122WF120MT4E",
        "LR122WF150MT4E",
        "LR122WF160MT4E",
        "LR122WF200LT4E",
        "LR122WF200MT4E",
        "LR122WF220LT4E",
        "LR122WF300NT4E",
        "LR122WF330MT4E",
        "LR122WF400MT4E",
        "LR122WF500MT4E",
        "LR122WF600MT4E",
        "LR122WF600NT4E",
        "LR122WF650MT4E",
        "LR122WF680NT4E",
        "LR122WF750MT4E",
        "LR122WF800MT4E",
        "LR122WF900NT4E",
        "LR123WF120MT4E",
        "LR123WF200MT4E",
        "LR123WF300NT4E",
        "LR123WF370MT4E",
        "LR123WF390MT4E",
        "LR123WF400NT4E",
        "LR123WF500MT4E",
        "LR123WF650MT4E",
        "LR123WF680MT4E",
        "LR123WF800NT4E"
      ]
    }
  },
  "_why": "new",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "license": "proprietary",
  "visibility": {
    "public": true
  },
  "sample_prompts": [],
  "discovery_triggers": [],
  "discovery_pitch": null,
  "metadata": {},
  "created_at": "2026-10-17T01:41:16.710Z",
  "updated_at": "2026-10-17T01:41:16.710Z",
  "org": "adom"
}