component
ESDARF02-1BU2CK
Public Made by Adomby adom
STMicroelectronics ESD And Surge Protection (TVS/ESD), 0201. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownESDARF02-1BU2CK
STMicroelectronics · ESD And Surge Protection (TVS/ESD) · 0201
ESDARF02-1BU2CK from STMicroelectronics, in a 0201. 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 | I/O | bidirectional | Protected signal line; one terminal of bidirectional single-line ESD protection diode for data lines with peak pulse voltage rating of 20 kV per IEC 61000-4-2 air discharge. |
| 2 | GND | power_in | Ground reference and return path for the bidirectional ESD protection diode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | 0201 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
ESDARF02-1BU2CK - Footprint:
Resistor_SMD:R_0201_0603Metric - 3D model: 0201 (KiCad packages3D, STEP)
- 3D model files:
esdarf02-1bu2ck-etched.step/esdarf02-1bu2ck-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esdarf02-1bu2ck.step/esdarf02-1bu2ck.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (9 pp, sha256
4dd7867a18d24535, retrieved 2026-09-24, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).