# EGPD350ELL182MK25H

**NCC Nippon Chemi Con** · Aluminum Electrolytic Capacitors - Leaded · CP_Radial_D12.5mm_P5.00mm

EGPD350ELL182MK25H from NCC Nippon Chemi Con, in a CP_Radial_D12.5mm_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 | NCC Nippon Chemi Con |
| Package | CP_Radial_D12.5mm_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 (code M) |  | -20 |  | 20 | % | at 20℃, 120Hz | 1 |
| Temperature range |  | -40 |  | 135 | ℃ |  | 1 |
| Dissipation factor (tanδ) max, 35V | tanδ |  |  | 0.12 |  | at 20℃, 120Hz; 1800µF standard rating | 1 |
| ESR max, 20℃ (35V, 1800µF, 12.5×25) | ESR |  |  | 0.033 | Ω | 20℃, 100kHz | 2 |
| ESR max, -40℃ (35V, 1800µF, 12.5×25) | ESR |  |  | 0.3 | Ω | -40℃, 100kHz | 2 |
| Leakage current (floor value) | I |  |  | 4 | µA | I=0.03CV or 4µA, whichever is greater; C nominal µF, V rated V; at 20℃, 1 minute | 1 |
| Low temperature impedance ratio Z(-25℃)/Z(+20℃) max, 35V | Z(-25℃)/Z(+20℃) |  |  | 2 |  |  | 1 |
| Low temperature impedance ratio Z(-40℃)/Z(+20℃) max, 35V | Z(-40℃)/Z(+20℃) |  |  | 4 |  | at 120Hz | 1 |
| Endurance 1 capacitance change | ΔC/C | -30 |  | 30 | % | rated voltage with rated ripple current at 125℃ or 135℃; restored to 20℃ | 1 |
| Endurance 1 D.F. (tanδ) max | tanδ |  |  | 300 | % of initial specified value | rated voltage with rated ripple current at 125℃ or 135℃; restored to 20℃ | 1 |
| Endurance 2 capacitance change | ΔC/C | -30 |  | 30 | % | 100h at 150℃ with rated voltage, then rated ripple current at 125℃ or 135℃; restored to 20℃ | 1 |
| Endurance 2 D.F. (tanδ) max | tanδ |  |  | 300 | % of initial specified value | 100h at 150℃ with rated voltage, then rated ripple current at 125℃ or 135℃; restored to 20℃ | 1 |
| Shelf life capacitance change | ΔC/C | -30 |  | 30 | % | 1,000h at 125℃ without voltage; restored to 20℃ | 1 |
| Shelf life D.F. (tanδ) max | tanδ |  |  | 300 | % of initial specified value | 1,000h at 125℃ without voltage; restored to 20℃ | 1 |
| Nominal capacitance | C |  | 1800 |  | µF | at 20℃, 120Hz | 2 |
| Rated voltage (35 Vdc column for this part) | VR |  | 35 |  | Vdc | part number voltage code 350 | 1 |
| Rated ripple current at 125℃ | IR |  | 3480 |  | mArms | 125℃, 100kHz | 2 |
| Rated ripple current at 135℃ | IR |  | 2010 |  | mArms | 135℃, 100kHz | 2 |
| Endurance 1 test time at 135℃ (25-50Vdc) |  |  | 3000 |  | hours | 135℃, rated voltage with rated ripple current | 1 |
| Endurance 1 test time at 125℃ |  |  | 3000 |  | hours | 125℃, rated voltage with rated ripple current | 1 |
| Endurance 2 test time at 135℃ (25-50Vdc) |  |  | 2500 |  | hours | 135℃, after 100h at 150℃ | 1 |
| Endurance 2 test time at 125℃ |  |  | 2500 |  | hours | 125℃, after 100h at 150℃ | 1 |
| Shelf life test time |  |  | 1000 |  | hours | 125℃, without voltage applied | 1 |

## CAD (KiCad official)

- Symbol: `EGPD350ELL182MK25H`
- Footprint: `Capacitor_THT:CP_Radial_D12.5mm_P5.00mm`
- 3D model: CP_Radial_D12.5mm_P5.00mm (KiCad packages3D, STEP)
- 3D model files: `egpd350ell182mk25h-etched.step` / `egpd350ell182mk25h-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `egpd350ell182mk25h.step` / `egpd350ell182mk25h.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [NCC Nippon Chemi Con datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589802495439769600) (4 pp, sha256 `bdedea2a83122345`, 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/egpd350ell182mk25h-datasheet.pdf)