# RXF-1WS-2.2R-60mm-TB

**LangJie** · Through Hole Resistors · R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal

RXF-1WS-2.2R-60mm-TB from LangJie, in a R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_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_DIN0309_L9.0mm_D3.2mm_P12.70mm_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 |
|---|---|---|---|---|---|---|---|
| Resistance range (RXF 1/2W 1WS row) | R | 0.1 |  | 510 | Ω | Range for RXF1/2W 1WS per 7.1; MPN value 2.2R within range | 4 |
| Resistance tolerance (unmarked, ±5%) |  | -5 |  | 5 | % | No tolerance letter in MPN; ±5% may be unmarked per 2.5; room temperature bridge method | 2 |
| Temperature coefficient | TCR |  |  | 250 | ppm/°C | RXF1/2W 1WS row per 7.1; sign not printed | 4 |
| Maximum working voltage |  |  |  | 250 | V | 最高使用电压, RXF1/2W 1WS row per 7.1 | 4 |
| Maximum overload voltage |  |  |  | 500 | V | 最高过负荷电压, RXF1/2W 1WS row per 7.1 | 4 |
| Withstand (insulation) voltage |  | 350 |  |  | V | 耐绝缘电压, RXF1/2W 1WS row; tested 350 V AC 1 min per 7.5 | 4 |
| Rated power | P |  |  | 0.5 | W | Ambient 70℃; derate above 70℃ per curve (curve not in text) | 2 |
| Operating temperature range | T | -25 |  | 155 | ℃ | 温度使用范围 | 4 |
| Maximum voltage at high temperature and humidity |  |  |  | 50 | V | Ambient temperature and humidity above 85℃/85% | 7 |
| Short-time overload resistance change | ΔR/R | -1 |  | 1 | % | 2.5× rated voltage for 5 s; after 30 min cooling | 5 |
| Withstand voltage resistance change | ΔR/R | -0.5 |  | 0.5 | % | After 350 V AC 1 min withstand test and max overload voltage 1 min | 5 |
| Insulation resistance | R_ins | 10000 |  |  | MΩ | DC 500 V | 5 |
| Damp heat load life resistance change | ΔR/R | -5 |  | 5 | % | 40±2℃, 90-95% RH, rated power 1.5 h on / 0.5 h off; duration as printed unclear | 5 |
| Load life resistance change | ΔR/R | -5 |  | 5 | % | 70℃, rated voltage 1.5 h on / 0.5 h off; 1 h cooling; duration as printed unclear | 5 |
| Solder heat resistance change | ΔR/R | -1 |  | 1 | % | 270±5℃ for 10±1 s (or 350±10℃ for 3.5±0.5 s); lead 3.2 mm from body; 1 h cooling | 6 |
| Solder adhesion coverage |  | 95 |  |  | % | 235±5℃ solder bath 2 s; lead 3.2 mm from body | 5 |
| Fusing time (2-10Ω column) | t_fuse |  |  | 60 | s | Rated power multiple 16 (as printed), 2-10Ω column | 4 |
| Fusing time (2-10Ω column) | t_fuse |  |  | 30 | s | Rated power multiple 25 (as printed), 2-10Ω column | 4 |
| Fusing time (2-10Ω column) | t_fuse |  |  | 15 | s | Rated power multiple 36 (as printed), 2-10Ω column | 4 |
| Nominal resistance | R |  | 2.2 |  | Ω | From MPN 2.2R | 2 |

## 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-1WS-2.2R-60mm-TB`
- Footprint: `Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal`
- 3D model: R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [LangJie datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8597552905301725184) (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-1ws-2-2r-60mm-tb-datasheet.pdf)