# EWH2DS471M35OT

**AISHI Aihua Group** · Aluminum Electrolytic Capacitors - Leaded · CP_Radial_D18.0mm_P7.50mm

EWH2DS471M35OT from AISHI Aihua Group, in a CP_Radial_D18.0mm_P7.50mm. 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 | AISHI Aihua Group |
| Package | CP_Radial_D18.0mm_P7.50mm |
| 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 on rated capacitance |  | -30 |  | 0 | % | 120Hz±20%, series equivalent circuit, 0.5Vrms or less +1.5 to 2.0 VDC | 3 |
| Rated voltage (DC) | VR |  | 200 | 200 | V | DC voltage + peak ripple voltage ≤ rated voltage | 5 |
| Operating temperature range |  | -25 |  | 105 | ℃ | 160V.DC~450V.DC range | 4 |
| Dissipation factor (tanδ) | tanδ |  |  | 0.2 |  | 120Hz, same as capacitance test | 3 |
| Leakage current (5 min) | I |  |  | 1905 | µA | rated voltage via 1000±100Ω, after 5 min (160V~450V) | 3 |
| Max ripple current |  |  |  | 800 | mArms | 105℃, 120Hz | 3 |
| Endurance life |  | 2000 |  |  | h | 105℃, rated voltage and rated ripple current applied | 3 |
| Capacitance change after temperature characteristic |  | -20 |  | 20 | % | after 105℃ 2 h storage, measured at thermal stability, vs initial value | 6 |
| Capacitance change after surge test |  | -20 |  | 20 | % | 1000 surge cycles, measured after stabilisation, vs initial value | 6 |
| Capacitance change after endurance |  | -20 |  | 20 | % | 105±2℃, rated voltage and ripple current, 2000 h, vs initial value | 8 |
| Dissipation factor after endurance | tanδ |  |  | 200 | % of specified value | 105±2℃, rated voltage and ripple current, 2000 h | 8 |
| Capacitance change after damp heat |  | -10 |  | 10 | % | 40±2℃, 90-95% RH, 240±8 h, vs initial value | 8 |
| Capacitance change after shelf life |  | -20 |  | 20 | % | 105±2℃, no voltage applied, 1000 h, vs value before test | 9 |
| Dissipation factor after shelf life | tanδ |  |  | 200 | % of specified value | 105±2℃, no voltage applied, 1000 h | 9 |
| Leakage current after shelf life | I |  |  | 200 | % of specified value | 105±2℃, no voltage applied, 1000 h | 9 |
| Capacitance change after resistance to soldering heat |  | -10 |  | 10 | % | solder bath 260±5℃, 10±1 s, 1.6 mm PCB | 9 |
| Storage temperature (recommended) |  | 5 |  | 35 | ℃ | storage, humidity <75%RH | 17 |
| Nominal capacitance | C |  | 470 |  | µF |  | 3 |

## CAD (KiCad official)

- Symbol: `EWH2DS471M35OT`
- Footprint: `Capacitor_THT:CP_Radial_D18.0mm_P7.50mm`
- 3D model: CP_Radial_D18.0mm_P7.50mm (KiCad packages3D, STEP)
- 3D model files: `ewh2ds471m35ot-etched.step` / `ewh2ds471m35ot-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ewh2ds471m35ot.step` / `ewh2ds471m35ot.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [AISHI Aihua Group datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918244794753024) (18 pp, sha256 `787c939412b9e6ae`, 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/ewh2ds471m35ot-datasheet.pdf)