# RD1E477M1012MPA140

**Samwha Capacitor** · Aluminum Electrolytic Capacitors - Leaded · CP_Radial_D10.0mm_P5.00mm

RD1E477M1012MPA140 from Samwha Capacitor, in a CP_Radial_D10.0mm_P5.00mm. 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 a POLARISED capacitor (Capacitors / Aluminum Electrolytic Capacitors - Leaded). Which terminal is the anode (+) is not yet recorded on this page: read it from the maker's datasheet before placing. |
| 2 | 2 | passive | Terminal 2 of a POLARISED capacitor (Capacitors / Aluminum Electrolytic Capacitors - Leaded). Which terminal is the anode (+) is not yet recorded on this page: read it from the maker's datasheet before placing. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Samwha Capacitor |
| Package | CP_Radial_D10.0mm_P5.00mm |
| Category | Capacitors |
| 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 |
|---|---|---|---|---|---|---|---|
| Capacitance tolerance |  | -20 |  | 20 | % | at 120Hz, 20 C | 1 |
| Capacitance change after load life |  | -20 |  | 20 | % | after rated voltage for 2000 hours at 105 C (D 10) | 1 |
| Dissipation factor max. | tan |  |  | 0.16 | ratio | at 120Hz, 20 C; WV 25 | 1 |
| Dissipation factor change after load life | tan |  |  | 200 | % | after rated voltage for 2000 hours at 105 C; less than 200% of specified value | 1 |
| Operating temperature range |  | -55 |  | 105 | °C | WV 6.3 ~ 100 | 1 |
| Low temperature impedance ratio | Z-25 C/Z+20 C |  |  | 2 | ratio | at 120Hz; WV 25 | 1 |
| Low temperature impedance ratio | Z-40 C/Z+20 C |  |  | 5 | ratio | at 120Hz; WV 25 | 1 |

## CAD (KiCad official)

- Symbol: `RD1E477M1012MPA140`
- Footprint: `Capacitor_THT:CP_Radial_D10.0mm_P5.00mm`
- 3D model: CP_Radial_D10.0mm_P5.00mm (KiCad packages3D, STEP)
- 3D model files: `rd1e477m1012mpa140-etched.step` / `rd1e477m1012mpa140-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rd1e477m1012mpa140.step` / `rd1e477m1012mpa140.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Samwha Capacitor datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603069585897762816) (3 pp, sha256 `5c1cae09fcd9a20a`, retrieved 2026-11-06, tier: lcsc)
- **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/rd1e477m1012mpa140-datasheet.pdf)