# 118EC245

**KNSCHA** · Hybrid Aluminum Electrolytic Capacitors · CP_Elec_6.3x7.7

118EC245 from KNSCHA, in a CP_Elec_6.3x7.7. 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 | + | passive | Positive terminal (pad 1 of the CP_ footprint; symbol and 3D mark the + end). |
| 2 | - | passive | Negative terminal. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KNSCHA |
| Package | CP_Elec_6.3x7.7 |
| 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 |
|---|---|---|---|---|---|---|---|
| Rated voltage |  |  |  | 25 | V | Do not apply voltage higher than rated voltage | 3 |
| Nominal capacitance tolerance |  | -20 |  | 20 | % | Measured at 20℃, 120Hz, 0.5Vrms | 3 |
| Leakage current |  |  |  | 25 | μA | 20℃, 2 min, rated voltage applied via 1000±100Ω | 2 |
| Equivalent series resistance (ESR) | ESR |  |  | 30 | mΩ | +20℃, 100kHz, 0.5Vrms | 2 |
| Maximum permissible ripple current |  |  |  | 1400 | mArms | 125℃, 100kHz | 2 |
| Loss tangent | tanδ |  |  | 0.14 |  | 20℃, 120Hz, 0.5Vrms | 3 |
| Operating temperature range |  | -55 |  | 125 | ℃ | Continuous operation at rated voltage | 3 |
| Recommended working voltage |  | 70 |  | 80 | % of rated voltage | Extends capacitor life | 9 |
| Endurance (load life) |  | 4000 |  |  | h | 125℃, rated voltage with specified ripple current | 6 |
| Capacitance change after surge test | ΔC | -10 |  | 10 | % | Relative to initial value; after 1000 surge cycles (30±5 s charge, ~5 min 30 s discharge) | 4 |
| Capacitance change after soldering heat | ΔC | -10 |  | 10 | % | Relative to initial value; after resistance to soldering heat, 350±10℃, 10±1 s | 5 |
| Capacitance change after damp heat | ΔC | -20 |  | 20 | % | Relative to initial value; after 240±8 h at 60±2℃, 90-95% RH | 5 |
| Capacitance change after high temperature storage | ΔC | -20 |  | 20 | % | Relative to initial value; after 1000 h at +125℃, no voltage applied | 5 |
| Capacitance change after load life | ΔC | -20 |  | 20 | % | Relative to initial value; after 4000 h at +125℃, rated voltage with ripple | 6 |
| Capacitance change after temperature cycle | ΔC | -10 |  | 10 | % | Relative to initial value; after 5 cycles per Figure 1 | 6 |
| Capacitance change after low temperature test | ΔC | -10 |  | 10 | % | Relative to initial value; after 72±2 h at -55℃ | 6 |
| Capacitance change after charge/discharge test | ΔC | -10 |  | 10 | % | Relative to initial value; after 500000 cycles, rated voltage with 1000Ω, 1 s charge / 1 s discharge | 6 |
| Loss tangent change after damp heat | tanδ | -150 |  | 150 | % of initial | After 240±8 h at 60±2℃, 90-95% RH; printed as within ±150% of initial value | 5 |
| ESR change after damp heat | ESR | -150 |  | 150 | % of initial | After 240±8 h at 60±2℃, 90-95% RH; printed as within ±150% of initial value | 5 |
| Loss tangent change after high temperature storage | tanδ |  |  | 150 | % of initial | After 1000 h at +125℃, no voltage applied; 150% or less of initial | 5 |
| ESR change after high temperature storage | ESR |  |  | 150 | % of initial | After 1000 h at +125℃, no voltage applied; 150% or less of initial | 5 |
| Loss tangent change after load life | tanδ | -150 |  | 150 | % of initial | After 4000 h at +125℃, rated voltage with ripple; printed as within ±150% of initial value | 6 |
| ESR change after load life | ESR | -150 |  | 150 | % of initial | After 4000 h at +125℃, rated voltage with ripple; printed as within ±150% of initial value | 6 |
| Loss tangent change after charge/discharge test | tanδ |  |  | 150 | % of initial | After 500000 cycles, rated voltage with 1000Ω; 150% or less of initial | 6 |
| ESR change after charge/discharge test | ESR |  |  | 150 | % of initial | After 500000 cycles, rated voltage with 1000Ω; 150% or less of initial | 6 |
| Nominal capacitance | C |  | 100 |  | μF | Measured at 20℃, 120Hz, 0.5Vrms | 3 |

## CAD (KiCad official)

- Symbol: `118EC245`
- Footprint: `Capacitor_SMD:CP_Elec_6.3x7.7`
- 3D model: CP_Elec_6.3x7.7 (KiCad packages3D, STEP)
- 3D model files: `118ec245-etched.step` / `118ec245-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `118ec245.step` / `118ec245.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KNSCHA datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603137745074475008) (11 pp, sha256 `9b883a7a51f00c36`, 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/118ec245-datasheet.pdf)