# RSS1W0R47FT

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

RSS1W0R47FT from TyoHM, 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 | TyoHM |
| 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 |
|---|---|---|---|---|---|---|---|
| Temperature coefficient (TCR) |  | -300 |  | 300 | ppm/℃ | Room temp to room+50℃ heating 15 min, per 7.1 formula | 4 |
| Short-time overload resistance change (RSS type) |  | -2 |  | 2 | % | 2.5× rated voltage for 5 s, then 30 min cooling | 4 |
| Moisture life resistance change |  | -5 |  | 5 | % | 40±2℃, 90-95% RH, rated power 1.5 h on / 0.5 h off, 500+24/-0 h | 4 |
| Load life resistance change |  | -5 |  | 5 | % | 70℃, rated voltage 1.5 h on / 0.5 h off, 1000+48/-0 h, 1 h cooling | 5 |
| Solder heat resistance change |  | -1 |  | 1 | % | 270±5℃ bath 10±1 s (or 350±10℃ 3.5±0.5 s), 1 h cooling | 5 |
| Insulation resistance |  | 1000 |  |  | MΩ | DC 500 V insulation tester | 4 |
| Operating temperature range |  | -55 |  | 155 | ℃ |  | 4 |
| Maximum working voltage (1W) |  |  |  | 350 | V | RSS 1W / RSN 1/2W dimension row, 4.1 table | 3 |
| Maximum overload voltage (1W) |  |  |  | 600 | V | RSS 1W / RSN 1/2W dimension row, 4.1 table | 3 |
| Rated power |  |  | 1 |  | W | Rated at 70℃ ambient; derate above 70℃ per power derating curve | 2 |
| Resistance range (1W row) |  | 0.22 |  | 50 | Ω / KΩ | Printed as 0.22Ω~50KΩ; min in Ω, max in KΩ; 0.22Ω~9.1Ω use alloy film | 3 |

## CAD (KiCad official)

- Symbol: `RSS1W0R47FT`
- 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:** [TyoHM datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603087726653173760) (7 pp, sha256 `911532840312610a`, 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/rss1w0r47ft-datasheet.pdf)