# FD1E331M0810

**ChengTao** · Aluminum Electrolytic Capacitors - SMD · CP_Elec_8x10.5

FD1E331M0810 from ChengTao, in a CP_Elec_8x10.5. 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 | ChengTao |
| Package | CP_Elec_8x10.5 |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature range |  | -55 |  | 105 | °C |  | 2 |
| Capacitance tolerance | ΔC | -20 |  | 20 | % | 120Hz, +20°C; M code = ±20% | 2 |
| Dissipation factor tan δ | tan δ |  |  | 0.16 |  | 120Hz, +20°C; 25V column, Φ4 to 10 | 2 |
| Low-temperature impedance ratio Z/Z at -25°C | Z/Z |  |  | 2 |  | 120Hz, +20°C; 25V column | 2 |
| Low-temperature impedance ratio Z/Z at -55°C | Z/Z |  |  | 3 |  | 120Hz, +20°C; 25V column | 2 |
| Endurance capacitance change | ΔC/CR | -30 |  | 30 | % | 2000 h at +105°C with rated voltage applied; relative to initial value | 2 |
| Endurance tan δ change | tan δ |  |  | 300 | % | 2000 h at +105°C with rated voltage applied; percent of specified value | 2 |
| High-temperature storage capacitance change | ΔC/CR | -30 |  | 30 | % | 1000 h storage at +105°C, no load; relative to initial value | 2 |
| High-temperature storage tan δ change | tan δ |  |  | 300 | % | 1000 h storage at +105°C, no load; percent of specified value | 2 |
| Ripple current (100kHz) |  |  |  | 600 | mA rms | 100kHz, +105°C; FD1E331M0810, 8×10.5 | 4 |
| Impedance (100kHz) | Z |  | 0.16 |  | Ω | 100kHz, +20°C; FD1E331M0810, 8×10.5 | 4 |
| Rated working voltage | VR |  | 25 |  | V | DC; 1E (25V) variant | 4 |
| Nominal capacitance | CR |  | 330 |  | µF | 120Hz, +20°C | 4 |
| Ripple frequency correction factor at 50/60 Hz |  |  | 0.6 |  |  | Frequency 50, 60 Hz | 2 |
| Ripple frequency correction factor at 120 Hz |  |  | 0.7 |  |  | Frequency 120 Hz | 2 |
| Ripple frequency correction factor at 1 kHz |  |  | 0.85 |  |  | Frequency 1 kHz | 2 |
| Ripple frequency correction factor at 10 kHz and up |  |  | 1 |  |  | Frequency 10 kHz and up | 2 |

## 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 |  | tin | 5 导针 10380F 铝+镀锡铜钢线 Yilida/Zhongyon 6 印字油墨 UV 油墨 LED-极紫 UV 油墨 Haohe/Dubi | 6 |

## CAD (KiCad official)

- Symbol: `FD1E331M0810`
- Footprint: `Capacitor_SMD:CP_Elec_8x10.5`
- 3D model: CP_Elec_8x10.5 (KiCad packages3D, STEP)
- 3D model files: `fd1e331m0810-etched.step` / `fd1e331m0810-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fd1e331m0810.step` / `fd1e331m0810.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ChengTao datasheet](docs/fd1e331m0810-datasheet.pdf) (8 pp, sha256 `d81fad9c25501792`, 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/fd1e331m0810-datasheet.pdf)