# RXF-1WS-10R-34mm-B-4-10

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

RXF-1WS-10R-34mm-B-4-10 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 tolerance (no letter in MPN, default ±5%) |  | -5 |  | 5 | % | Measured at room temperature by bridge method; ±5% may be left unmarked | 2 |
| Resistance range | R | 0.1 |  | 510 | Ω |  | 4 |
| Temperature coefficient |  |  |  | 250 | ppm/°C |  | 4 |
| Maximum operating voltage |  |  |  | 250 | V |  | 4 |
| Maximum overload voltage |  |  |  | 500 | V |  | 4 |
| Dielectric withstand voltage |  |  |  | 350 | V |  | 4 |
| Rated power | P |  |  | 0.5 | W | Rated at ambient 70°C; derate above 70°C per printed curve (curve not provided) | 2 |
| Operating temperature range |  | -25 |  | 155 | °C |  | 4 |
| Short-time overload resistance change |  | -1 |  | 1 | % | 2.5× rated voltage for 5 s, then cooled 30 min | 5 |
| Withstand voltage resistance change |  | -0.5 |  | 0.5 | % | 350 V AC for 1 min, then maximum overload voltage for 1 min | 5 |
| Insulation resistance |  | 10000 |  |  | MΩ | DC 500 V insulation tester | 5 |
| Moisture life resistance change |  | -5 |  | 5 | % | 40±2°C, 90-95% RH, rated power 1.5 h on / 0.5 h off cycle; duration unreadable in source | 5 |
| Load life resistance change |  | -5 |  | 5 | % | 70°C, rated voltage 1.5 h on / 0.5 h off cycle; duration unreadable in source | 5 |
| Solder heat resistance change |  | -1 |  | 1 | % | 270±5°C bath 10±1 s (or 350±10°C bath 3.5±0.5 s), cooled 1 h | 6 |
| Fusing time, 1.6× rated power (printed as 16), 2-10Ω column |  |  |  | 60 | s | Power multiple printed as 16; 2-10Ω column | 4 |
| Fusing time, 2.5× rated power (printed as 25), 2-10Ω column |  |  |  | 30 | s | Power multiple printed as 25; 2-10Ω column | 4 |
| Fusing time, 3.6× rated power (printed as 36), 2-10Ω column |  |  |  | 15 | s | Power multiple printed as 36; 2-10Ω column | 4 |
| Maximum voltage under high humidity/temperature |  |  |  | 50 | V | Ambient above 85°C and humidity above 85% | 7 |
| Nominal resistance | R |  | 10 |  | Ω |  | 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-10R-34mm-B-4-10`
- 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/8597552899933556736) (7 pp, sha256 `045c3bac0bb50276`, retrieved 2026-11-07, 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-10r-34mm-b-4-10-datasheet.pdf)