# EKXJ251ELL101MK30S

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

EKXJ251ELL101MK30S 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 |  | -20 |  | 20 | % | at 20℃, 120Hz; tolerance code M | 1 |
| Dissipation factor (tanδ) max | tanδ |  |  | 0.2 |  | Rated voltage 160 to 250V; at 20℃, 120Hz | 1 |
| Low temperature impedance ratio Z(-25℃)/Z(+20℃) | Z(-25℃)/Z(+20℃) |  |  | 3 |  | Rated voltage 160 to 250V; at 120Hz | 1 |
| Low temperature impedance ratio Z(-40℃)/Z(+20℃) | Z(-40℃)/Z(+20℃) |  |  | 6 |  | Rated voltage 160 to 250V; at 120Hz | 1 |
| Endurance capacitance change | ΔC/C | -20 |  | 20 | % | Restored to 20℃ after rated ripple current applied at 105℃; 25L to 50L: 12,000 hours; φ12.5 to φ18: 10,000 hours | 1 |
| Endurance D.F. (tanδ) change | tanδ |  |  | 200 | % | Percent of initial specified value; endurance at 105℃ with rated ripple current | 1 |
| Shelf life capacitance change | ΔC/C | -20 |  | 20 | % | Restored to 20℃ after 1,000 hours at 105℃ without voltage applied | 1 |
| Shelf life D.F. (tanδ) change | tanδ |  |  | 200 | % | Percent of initial specified value; 1,000 hours at 105℃ without voltage applied | 1 |
| Shelf life leakage current | I_L |  |  | 500 | % | Percent of initial specified value; 1,000 hours at 105℃ without voltage applied | 1 |
| Category temperature range (160 to 450Vdc) |  | -40 |  | 105 | ℃ | 160 to 450Vdc | 1 |
| Rated voltage | WV |  | 250 |  | Vdc |  | 2 |
| Nominal capacitance | C |  | 100 |  | µF | at 20℃, 120Hz | 2 |
| Rated ripple current |  |  | 660 |  | mArms | 105℃, 120Hz | 2 |

## CAD (KiCad official)

- Symbol: `EKXJ251ELL101MK30S`
- Footprint: `Capacitor_THT:CP_Radial_D12.5mm_P5.00mm`
- 3D model: CP_Radial_D12.5mm_P5.00mm (KiCad packages3D, STEP)
- 3D model files: `ekxj251ell101mk30s-etched.step` / `ekxj251ell101mk30s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ekxj251ell101mk30s.step` / `ekxj251ell101mk30s.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/8590148160157872128) (4 pp, sha256 `453db4ca1d353007`, 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/ekxj251ell101mk30s-datasheet.pdf)