Loads on click. Unloads when scrolled away or the tab is hidden.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads when scrolled away or the tab is hidden.

PCB Footprint

Open full view ↗
Loads on click. Unloads when scrolled away or the tab is hidden.
Loads on click. Unloads when scrolled away or the tab is hidden.
Download PDF
Contents

README

markdown

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 (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