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12 100.4
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Shenzhen Jinkaisheng Elec Disposable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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12 100.4
Shenzhen Jinkaisheng Elec · Disposable Fuses · 1206
12 100.4 from Shenzhen Jinkaisheng Elec, in a 1206. 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 | One end-cap terminal of the 4A fast-acting fuse, with typical cold resistance 35 mOhms and typical voltage drop 173 mV, in series with terminal 2. |
| 2 | 2 | passive | Second end-cap terminal of the 4A fast-acting fuse (non-polarized, interchangeable with terminal 1), with a DC interrupting rating of 50A at rated voltage. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen Jinkaisheng Elec |
| Package | 1206 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
12 100.4 - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
12-100-4-etched.step/12-100-4-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);12-100-4.step/12-100-4.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen Jinkaisheng Elec datasheet (5 pp, sha256
ba8b123f4f5a746f, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).
# 12 100.4
**Shenzhen Jinkaisheng Elec** · Disposable Fuses · 1206
12 100.4 from Shenzhen Jinkaisheng Elec, in a 1206. 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 | One end-cap terminal of the 4A fast-acting fuse, with typical cold resistance 35 mOhms and typical voltage drop 173 mV, in series with terminal 2. |
| 2 | 2 | passive | Second end-cap terminal of the 4A fast-acting fuse (non-polarized, interchangeable with terminal 1), with a DC interrupting rating of 50A at rated voltage. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen Jinkaisheng Elec |
| Package | 1206 |
| Category | Circuit Protection |
| Pins | 2 |
## CAD (KiCad official)
- Symbol: `12 100.4`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `12-100-4-etched.step` / `12-100-4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `12-100-4.step` / `12-100-4.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shenzhen Jinkaisheng Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911593601687552) (5 pp, sha256 `ba8b123f4f5a746f`, retrieved 2026-10-09, 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/12-100-4-datasheet.pdf)