component
LAD52C03L01
Public Made by Adomby adom
Brightking Elec (TAIWAN) ESD Protection Devices, SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
LAD52C03L01
Brightking Elec (TAIWAN) · ESD Protection Devices · SOD-523
LAD52C03L01 from Brightking Elec (TAIWAN), in a SOD-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 | 1 | passive | TVS terminal 1 of the two-pin SOD-523 device, rated for 3.3V reverse stand-off voltage, 4.0V reverse breakdown at 1mA and ±8kV contact / ±15kV air ESD. |
| 2 | 2 | passive | TVS terminal 2 of the two-pin SOD-523 device, rated for 3.3V reverse stand-off voltage, 7V maximum clamping at IPP=1A (8/20μs) and 10pF maximum junction capacitance. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Brightking Elec (TAIWAN) |
| Package | SOD-523 |
| Category | Circuit Protection |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | VBR | 4 | V | IBR=1mA | 1 | ||
| Reverse stand-off voltage | VRWM | 3.3 | V | 1 | |||
| Reverse leakage current | IR | 1 | μA | VR=3.3V | 1 | ||
| Clamping voltage (tp=8/20μs) | VC | 7 | V | IPP=1A | 1 | ||
| Off state junction capacitance | CJ | 10 | pF | 0Vdc,f=1MHz | 1 | ||
| ESD voltage (Contact discharge) | VESD | -8 | 8 | kV | 1 | ||
| ESD voltage (Air discharge) | VESD | -15 | 15 | kV | 1 | ||
| Storage & operating temperature range | TSTG, TJ | -55 | 150 | ℃ | 1 |
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:
LAD52C03L01 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
lad52c03l01-etched.step/lad52c03l01-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lad52c03l01.step/lad52c03l01.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Brightking Elec (TAIWAN) datasheet (4 pp, sha256
c50cdfcf01860206, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-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).
# LAD52C03L01
**Brightking Elec (TAIWAN)** · ESD Protection Devices · SOD-523
LAD52C03L01 from Brightking Elec (TAIWAN), in a SOD-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 | 1 | passive | TVS terminal 1 of the two-pin SOD-523 device, rated for 3.3V reverse stand-off voltage, 4.0V reverse breakdown at 1mA and ±8kV contact / ±15kV air ESD. |
| 2 | 2 | passive | TVS terminal 2 of the two-pin SOD-523 device, rated for 3.3V reverse stand-off voltage, 7V maximum clamping at IPP=1A (8/20μs) and 10pF maximum junction capacitance. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Brightking Elec (TAIWAN) |
| Package | SOD-523 |
| Category | Circuit Protection |
| Pins | 2 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | VBR | 4 | | | V | IBR=1mA | 1 |
| Reverse stand-off voltage | VRWM | | | 3.3 | V | | 1 |
| Reverse leakage current | IR | | | 1 | μA | VR=3.3V | 1 |
| Clamping voltage (tp=8/20μs) | VC | | | 7 | V | IPP=1A | 1 |
| Off state junction capacitance | CJ | | | 10 | pF | 0Vdc,f=1MHz | 1 |
| ESD voltage (Contact discharge) | VESD | -8 | | 8 | kV | | 1 |
| ESD voltage (Air discharge) | VESD | -15 | | 15 | kV | | 1 |
| Storage & operating temperature range | TSTG, TJ | -55 | | 150 | ℃ | | 1 |
## 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: `LAD52C03L01`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `lad52c03l01-etched.step` / `lad52c03l01-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lad52c03l01.step` / `lad52c03l01.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Brightking Elec (TAIWAN) datasheet](docs/lad52c03l01-datasheet.pdf) (4 pp, sha256 `c50cdfcf01860206`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-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/lad52c03l01-datasheet.pdf)