# 126RV0172

**KNSCHA** · Aluminum Electrolytic Capacitors - SMD · CP_Elec_5x5.4

126RV0172 from KNSCHA, in a CP_Elec_5x5.4. 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_5x5.4 |
| 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 capacitance | C |  | 100 |  | uF | CK series, 10 V, Φ5x5.4 (Table-1 item 2, MPN 126RV0172) | 1 |
| Capacitance tolerance |  | -20 |  | 20 | % | ±20% (M), at 20℃, 120Hz | 2 |
| Rated voltage | VR |  |  | 10 | Vdc | DC; do not apply DC voltage above rated voltage or reverse voltage | 11 |
| Surge voltage |  |  |  | 11.5 | V | Short-term maximum DC over-voltage (Table-1 surge column) | 1 |
| Maximum ripple current |  |  |  | 60 | mArms | 105℃, 120Hz | 1 |
| Leakage current | IL |  |  | 10 | uA | 20℃, rated voltage applied 2 minutes; ≤0.01CV or 3uA, whichever greater | 2 |
| Low-temperature impedance ratio Z(-25℃)/Z(20℃) | Z(-25℃)/Z(20℃) |  |  | 4 |  | Φ4~Φ10, 120Hz, rated voltage 10 V | 2 |
| Low-temperature impedance ratio Z(-55℃)/Z(20℃) | Z(-55℃)/Z(20℃) |  |  | 6 |  | Φ4~Φ10, 120Hz, rated voltage 10 V | 2 |
| Operating temperature range | Top | -55 |  | 105 | ℃ | Rated voltage 6.3~100 Vdc range | 4 |
| Endurance capacitance change | ΔC/C | -30 |  | 30 | % | 105℃, 1000 h, case Φ4~Φ5x5.7, rated voltage with ripple current, restored to 20℃ (see review_required) | 2 |
| Endurance dissipation factor | tanδ |  |  | 300 | % of specified value | 105℃ endurance test, ≤300% of specified value | 2 |
| Temperature rotational test capacitance change | ΔC/C | -10 |  | 10 | % | 50 cycles -55℃/+105℃, then 4 h standard atmosphere | 8 |
| High temperature endurance life capacitance change | ΔC/C | -30 |  | 30 | % | 105℃, rated life, bias voltage and ripple current applied | 8 |
| High temperature unload storage capacitance change | ΔC/C | -30 |  | 30 | % | 105℃, 1000+48/-0 h, no rated voltage applied | 8 |
| High temperature unload storage tanδ | tanδ |  |  | 300 | % of specified value | 105℃, 1000 h, no voltage; less than 300% of specified value | 8 |
| Humidity test capacitance change | ΔC/C | -10 |  | 10 | % | 60±3℃, 90~95%RH, 1000+48/-0 h | 8 |
| Low temperature test capacitance change | ΔC/C | -10 |  | 10 | % | -55±3℃, 96±4 h | 9 |
| Vibration test capacitance change | ΔC/C | -10 |  | 10 | % | 10-55 Hz, 1.5 mm total amplitude, 3 directions 2 h each | 9 |
| Surge voltage test capacitance change | ΔC/C | -20 |  | 20 | % | 1000 cycles at room temperature, 1 kΩ series resistor, 30±5 s charge, ~5.5 min discharge | 9 |
| Surge voltage test tanδ | tanδ |  |  | 175 | % of specified value | Surge test, less than 175% of specified value | 9 |
| Solder heat-resistance capacitance change | ΔC/C | -10 |  | 10 | % | Iron method: bit 350±5℃, 3+1/-0 s | 9 |
| Reflow peak temperature |  |  |  | 260 | ℃ | Recommended IR reflow, Φ4~6.3 general type, max 2 reflows | 7 |
| Reflow time at peak temperature |  |  |  | 5 | s | Peak temperature 260℃ max, Φ4~6.3 general type | 7 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | Copper | tin | 6 Lead Wire 引线 Bi Contained Tin Plate, Tinned Copper-Clad Steel Wire 镀锡铜包钢线 | 5 |

## CAD (KiCad official)

- Symbol: `126RV0172`
- Footprint: `Capacitor_SMD:CP_Elec_5x5.4`
- 3D model: CP_Elec_5x5.4 (KiCad packages3D, STEP)
- 3D model files: `126rv0172-etched.step` / `126rv0172-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `126rv0172.step` / `126rv0172.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/8603074686058045440) (12 pp, sha256 `41ac4399abcafb5a`, 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/126rv0172-datasheet.pdf)