# RXF-2WS-47R-70mm-TB

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

RXF-2WS-47R-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 |
|---|---|---|---|---|---|---|---|
| Maximum working voltage (rated 1W, 2WS row) |  |  |  | 300 | V | 1W (2WS) row of 7.1 table; rated voltage is capped at this value | 4 |
| Maximum overload voltage (rated 1W, 2WS row) |  |  |  | 500 | V | 1W (2WS) row of 7.1 table | 4 |
| Dielectric withstand voltage (rated 1W, 2WS row) |  |  |  | 400 | V | 1W (2WS) row of 7.1 table | 4 |
| Operating temperature range |  | -25 |  | 155 | ℃ | Section 5 temperature range | 4 |
| Resistance tolerance |  | -5 |  | 5 | % | No tolerance letter in MPN; default ±5% per 2.5 (bridge method, room temperature) | 2 |
| Temperature coefficient (rated 1W, 2WS row) |  |  |  | 250 | ppm/℃ | 1W (2WS) row of 7.1 table; printed without sign | 4 |
| Maximum use voltage at high ambient humidity |  |  |  | 50 | V | Ambient above 85℃/85% RH | 7 |
| Insulation resistance |  | 10000 |  |  | MΩ | DC 500V insulation tester between terminals and foil/V-groove | 5 |
| Resistance change after short-time overload |  | -1 |  | 1 | % | 2.5× rated voltage for 5 s, then cooled 30 min | 5 |
| Resistance change after dielectric withstand test |  | -0.5 |  | 0.5 | % | 350 V AC 1 min, then maximum overload voltage 1 min | 5 |
| Resistance change after moisture life test |  | -5 |  | 5 | % | 40±2℃, 90-95% RH, rated power 1.5 h on / 0.5 h off cycle; 1 h recovery | 5 |
| Resistance change after load life test |  | -5 |  | 5 | % | 70℃ chamber, rated voltage 1.5 h on / 0.5 h off cycle; 1 h cooling | 5 |
| Resistance change after solder heat test |  | -1 |  | 1 | % | 270±5℃ for 10±1 s or 350±10℃ for 3.5±0.5 s; cooled 1 h | 6 |
| Fusing time within, power multiple 16 (>10Ω column) |  |  |  | 60 | s | Power multiple printed as 16; >10Ω column of 7.2 | 4 |
| Fusing time within, power multiple 25 (>10Ω column) |  |  |  | 30 | s | Power multiple printed as 25; >10Ω column of 7.2 | 4 |
| Fusing time within, power multiple 36 (>10Ω column) |  |  |  | 15 | s | Power multiple printed as 36; >10Ω column of 7.2 | 4 |
| Rated power |  |  | 1 |  | W | 2WS = 1W; rated at ambient 70℃, derated above 70℃ per curve | 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-2WS-47R-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/8597552910364250112) (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-47r-70mm-tb-datasheet.pdf)