component
ESD5B5VL-2
Public Made by Adomby adom
WILLSEMI(Will Semicon) TVS, SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownESD5B5VL-2
WILLSEMI(Will Semicon) · TVS · SOD-523
ESD5B5VL-2 from WILLSEMI(Will Semicon), 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 | Pin1 | passive | Bi-directional TVS terminal 1 (stand-off voltage ±5V max, interchangeable with Pin2), connected to the protected line. |
| 2 | Pin2 | passive | Bi-directional TVS terminal 2 (stand-off voltage ±5V max, interchangeable with Pin1), connected to ground or the other side of the protected line. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | WILLSEMI(Will Semicon) |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak pulse power | Ppk | 50 | W | tp = 8/20μs | 2 | ||
| Peak pulse current | IPP | 3.5 | A | tp = 8/20μs | 2 | ||
| ESD air discharge | VESD | -15 | 15 | kV | IEC61000-4-2 air discharge | 2 | |
| ESD contact discharge | VESD | -8 | 8 | kV | IEC61000-4-2 contact discharge | 2 | |
| Junction temperature | TJ | 125 | °C | 2 | |||
| Operating temperature | TOP | -40 | 85 | °C | 2 | ||
| Lead temperature | TL | 260 | °C | 2 | |||
| Storage temperature | TSTG | -55 | 150 | °C | 2 | ||
| Reverse stand-off voltage | VRWM | -5 | 5 | V | TA=25 °C | 2 | |
| Reverse leakage current | IR | 1 | uA | VRWM = 5V | 2 | ||
| Reverse breakdown voltage | VBR12 | 6.5 | 7.7 | 8.1 | V | IT=1mA | 2 |
| Forward voltage | VBR21 | 6.5 | 7.8 | 8.1 | V | IF=1mA | 2 |
| Clamping voltage | VCL | 20 | V | VESD = 8kV | 2 | ||
| Clamping voltage | VC | 10 | V | Ipp=1A tp=8/20us | 2 | ||
| Clamping voltage | VC | 14 | V | Ipp=3.5A tp=8/20us | 2 | ||
| Junction capacitance | CJ | 5 | 10 | pF | VR = 0V, f = 1MHz | 2 | |
| Junction capacitance | CJ | 2.5 | 5 | pF | VR =5V, f = 1MHz | 2 |
CAD (KiCad official)
- Symbol:
ESD5B5VL-2 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
esd5b5vl-2-etched.step/esd5b5vl-2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esd5b5vl-2.step/esd5b5vl-2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WILLSEMI(Will Semicon) datasheet (5 pp, sha256
8b563c8c74244a6d, 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).