component
SP0402U-ELC-02ETG
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Littelfuse ESD And Surge Protection (TVS/ESD), 0402. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+47@@ -0,0 +1,47 @@+# SP0402U-ELC-02ETG++**Littelfuse** · ESD And Surge Protection (TVS/ESD) · 0402++SP0402U-ELC-02ETG from Littelfuse, in a 0402. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | IO | passive | Cathode of the unidirectional TVS diode; connect to the protected signal/data line. Clamps at 13 V typical at IPP=2.5 A (tp=8/20 µs) with 0.30 pF typical capacitance @ VR=0 V, 3 GHz. |+| 2 | GND | passive | Anode of the unidirectional TVS diode; connect to system ground. Provides the ESD discharge return path. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Littelfuse |+| Package | 0402 |+| Category | Circuit Protection |+| Pins | 2 |++## Ordering variants++Same part, different packaging or reel option.++- `SP0402U-ELC-02ETG`+- `SP0402U-ELC-01ETG`+- `SP0402B-ELC-01ETG`+- `SP0402U-ELC-02ETGSP0201U-ELC-01UTG`+- `SP0402U-ELC-02ETGSP0201B-ELC-01UTG`++## CAD (KiCad official)++- Symbol: `SP0402U-ELC-02ETG`+- Footprint: `Resistor_SMD:R_0402_1005Metric`+- 3D model: 0402 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Littelfuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590167039102398464) (None pp, sha256 `379b3c8aa3b414d9`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/sp0402u-elc-02etg-datasheet.pdf)
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