# ELF1E221M081200I

**Guangdong TOPAZ Elec Tech** · Aluminum Electrolytic Capacitors - Leaded · CP_Radial_D8.0mm_P3.50mm

ELF1E221M081200I from Guangdong TOPAZ Elec Tech, in a CP_Radial_D8.0mm_P3.50mm. 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 | Guangdong TOPAZ Elec Tech |
| Package | CP_Radial_D8.0mm_P3.50mm |
| Category | Capacitors |
| Pins | 2 |

## Electrical characteristics

Limits from the LCSC catalog entry for this part (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Capacitance |  |  | 220 |  | µF | nominal, catalog attribute (LCSC C2848316) | catalog |
| Tolerance |  | -20 |  | 20 | % | catalog attribute (LCSC C2848316) | catalog |
| Operating temperature |  | -40 |  | 105 | °C | catalog description (LCSC C2848316) | catalog |

## CAD (KiCad official)

- Symbol: `ELF1E221M081200I`
- Footprint: `Capacitor_THT:CP_Radial_D8.0mm_P3.50mm`
- 3D model: CP_Radial_D8.0mm_P3.50mm (KiCad packages3D, STEP)
- 3D model files: `elf1e221m081200i-etched.step` / `elf1e221m081200i-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `elf1e221m081200i.step` / `elf1e221m081200i.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Guangdong TOPAZ Elec Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590196826398883840) (11 pp, sha256 `05ff3d441585b934`, 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/elf1e221m081200i-datasheet.pdf)