component
PESD0402B20
Public Made by Adomby adom
YFW ESD And Surge Protection (TVS/ESD), 0402. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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PESD0402B20
YFW · ESD And Surge Protection (TVS/ESD) · 0402
PESD0402B20 from YFW, in a 0402. 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 the bidirectional single-line ESD protection diode, connected to the signal line to be protected (rated 20.0 V max continuous operating voltage, 0.05 pF typ.). |
| 2 | 2 | passive | Terminal 2 of the bidirectional single-line ESD protection diode, connected to GND in the application circuit; the device is bidirectional so polarity is not specified. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| Package | 0402 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
PESD0402B20 - Footprint:
Diode_SMD:D_0402_1005Metric - 3D model: 0402, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.4 mm nominal 0402 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
pesd0402b20-etched.step/pesd0402b20-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pesd0402b20.step/pesd0402b20.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: YFW datasheet (5 pp, sha256
5c59a8aa30fa0109, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(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).
# PESD0402B20
**YFW** · ESD And Surge Protection (TVS/ESD) · 0402
PESD0402B20 from YFW, in a 0402. 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 the bidirectional single-line ESD protection diode, connected to the signal line to be protected (rated 20.0 V max continuous operating voltage, 0.05 pF typ.). |
| 2 | 2 | passive | Terminal 2 of the bidirectional single-line ESD protection diode, connected to GND in the application circuit; the device is bidirectional so polarity is not specified. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| Package | 0402 |
| Category | Circuit Protection |
| Pins | 2 |
## CAD (KiCad official)
- Symbol: `PESD0402B20`
- Footprint: `Diode_SMD:D_0402_1005Metric`
- 3D model: 0402, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.4 mm nominal _0402_ height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files: `pesd0402b20-etched.step` / `pesd0402b20-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesd0402b20.step` / `pesd0402b20.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [YFW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603382862679203840) (5 pp, sha256 `5c59a8aa30fa0109`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/pesd0402b20-datasheet.pdf)