# RXF-2WS-100R-70mm-TB

**LangJie** · Through Hole Resistors · R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal

RXF-2WS-100R-70mm-TB from LangJie, in a R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1 | passive | Terminal 1 of an unpolarised resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LangJie |
| Package | R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal |
| Category | Resistors |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Tolerance |  | -5 |  | 5 | % | room temperature, bridge method (2.5; ±5% may be unmarked) | 2 |
| Temperature coefficient (RXF1W 2WS row) |  |  |  | 250 | ppm/°C | 7.1 判定标准, 0.1-510Ω | 4 |
| Maximum operating voltage (RXF1W 2WS row) |  |  |  | 300 | V | 7.1 最高使用电压 | 4 |
| Maximum overload voltage (RXF1W 2WS row) |  |  |  | 500 | V | 7.1 最高过负荷电压 | 4 |
| Dielectric withstand voltage (RXF1W 2WS row) |  |  |  | 400 | V | 7.1 耐绝缘电压 | 4 |
| Maximum voltage when ambient >85°C and humidity >85% |  |  |  | 50 | V | ambient >85℃ and RH >85% | 7 |
| Operating temperature range |  | -25 |  | 155 | °C | 温度使用范围 (section 5) | 4 |
| Fusing time within (rated power multiple 16, >10Ω column) |  |  |  | 60 | s | 额定功率倍率 16, R>10Ω | 4 |
| Fusing time within (rated power multiple 25, >10Ω column) |  |  |  | 30 | s | 额定功率倍率 25, R>10Ω | 4 |
| Fusing time within (rated power multiple 36, >10Ω column) |  |  |  | 15 | s | 额定功率倍率 36, R>10Ω | 4 |
| Short-time overload resistance change |  | -1 |  | 1 | % | 2.5× rated voltage, 5 s; after 30 min cooling | 5 |
| Withstand voltage resistance change |  | -0.5 |  | 0.5 | % | 350 V AC 1 min, then max overload voltage 1 min | 5 |
| Insulation resistance |  | 10000 |  |  | MΩ | DC 500 V | 5 |
| Humidity life resistance change |  | -5 |  | 5 | % | 40±2℃, 90-95% RH, rated power 1.5 h on / 0.5 h off | 5 |
| Load life resistance change |  | -5 |  | 5 | % | 70℃, rated voltage 1.5 h on / 0.5 h off, 1000 h | 5 |
| Solder adhesion coverage |  | 95 |  |  | % | 235±5℃ solder bath, 2 s | 5 |
| Solder heat resistance resistance change |  | -1 |  | 1 | % | 270±5℃ 10±1 s (or 350±10℃ 3.5±0.5 s), cooled 1 h | 6 |
| Rated power |  |  | 1 |  | W | 2WS = 1W per 2.3; ambient 70℃, derate above 70℃ per curve | 3 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | 4.2.2 端子： 电气用镀锡CP线。 4.2.3 涂装： 电阻器本体使用灰色阻燃绝缘涂料涂装，(耐800℃)。外表坚牢 | 3 |

## CAD (KiCad official)

- Symbol: `RXF-2WS-100R-70mm-TB`
- Footprint: `Resistor_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal`
- 3D model: R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal (KiCad packages3D, STEP)

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [LangJie datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8597542273022509056) (7 pp, sha256 `045c3bac0bb50276`, retrieved 2026-11-06, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/rxf-2ws-100r-70mm-tb-datasheet.pdf)