# BZV55C20

**LGE** · Zener Diodes · LL-34

BZV55C20 from LGE, in a LL-34. 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 | K | passive | Cathode (negative polarity terminal) marked by the blue color band; the zener voltage is 18.8 V min to 21.1 V max at IZT = 5 mA for BZV55C20. |
| 2 | A | passive | Anode terminal at the end without the color band; forward voltage is 1.0 V maximum at IF = 100 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LGE |
| Package | LL-34 |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `BZV55C20`
- Footprint: `Diode_SMD:D_MiniMELF`
- 3D model: LL-34 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [LGE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912836341354496) (4 pp, sha256 `d50783a8653f08c7`, retrieved 2026-10-12, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/bzv55c20-datasheet.pdf)