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UAT52A05L02
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Brightking Elec (TAIWAN) ESD Protection Devices, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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UAT52A05L02
Brightking Elec (TAIWAN) · ESD Protection Devices · SOT-523
UAT52A05L02 from Brightking Elec (TAIWAN), in a SOT-523. 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/O1 | passive | Protected high-speed data line 1 with 5 V max reverse stand-off voltage, 0.5 µA max leakage at VR=5 V, and 0.8 pF typical capacitance to GND. |
| 2 | I/O2 | passive | Protected high-speed data line 2 with 5 V max reverse stand-off voltage, 0.5 µA max leakage at VR=5 V, and 0.8 pF typical capacitance to GND. |
| 3 | GND | power_in | Ground reference for the TVS array, common return for ESD current with ±8 kV contact and ±15 kV air discharge ratings and 3 A peak pulse current (8/20 µs). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Brightking Elec (TAIWAN) |
| Package | SOT-523 |
| Category | Circuit Protection |
| Pins | 3 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | ● Lead Free/RoHS compliant ● Solder reflow temperature: Pure Tin-Sn, 260~270℃ | 1 |
CAD (KiCad official)
- Symbol:
UAT52A05L02 - Footprint:
Package_TO_SOT_SMD:SOT-523 - 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 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:
uat52a05l02-etched.step/uat52a05l02-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);uat52a05l02.step/uat52a05l02.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Brightking Elec (TAIWAN) datasheet (7 pp, sha256
ca64cda341a4e80b, retrieved 2026-10-28, 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).
# UAT52A05L02
**Brightking Elec (TAIWAN)** · ESD Protection Devices · SOT-523
UAT52A05L02 from Brightking Elec (TAIWAN), in a SOT-523. 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/O1 | passive | Protected high-speed data line 1 with 5 V max reverse stand-off voltage, 0.5 µA max leakage at VR=5 V, and 0.8 pF typical capacitance to GND. |
| 2 | I/O2 | passive | Protected high-speed data line 2 with 5 V max reverse stand-off voltage, 0.5 µA max leakage at VR=5 V, and 0.8 pF typical capacitance to GND. |
| 3 | GND | power_in | Ground reference for the TVS array, common return for ESD current with ±8 kV contact and ±15 kV air discharge ratings and 3 A peak pulse current (8/20 µs). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Brightking Elec (TAIWAN) |
| Package | SOT-523 |
| Category | Circuit Protection |
| Pins | 3 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | tin | ● Lead Free/RoHS compliant ● Solder reflow temperature: Pure Tin-Sn, 260~270℃ | 1 |
## CAD (KiCad official)
- Symbol: `UAT52A05L02`
- Footprint: `Package_TO_SOT_SMD:SOT-523`
- 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 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: `uat52a05l02-etched.step` / `uat52a05l02-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `uat52a05l02.step` / `uat52a05l02.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Brightking Elec (TAIWAN) datasheet](docs/uat52a05l02-datasheet.pdf) (7 pp, sha256 `ca64cda341a4e80b`, retrieved 2026-10-28, 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/uat52a05l02-datasheet.pdf)