component
BSD3C031LX
Public Made by Adomby adom
BORN ESD And Surge Protection (TVS/ESD), SOD-323. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
BSD3C031LX
BORN · ESD And Surge Protection (TVS/ESD) · SOD-323
BSD3C031LX from BORN, in a SOD-323. 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 | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BORN |
| Package | SOD-323 |
| 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 | PPP | 350 | Watts | tp=8/20μs | 2 | ||
| Operating Temperature | TJ | -55 | 150 | °C | 2 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 2 | ||
| Reverse Stand-Off Voltage | VRWM | 3 | V | See Note1 | 2 | ||
| Punch-through Voltage | VPT | 4 | V | IPT=1μA | 2 | ||
| Snap-Back Voltage | VSB | 3.5 | V | ISB=50mA | 2 | ||
| Reverse Leakage Current | IR | 50 | nA | VRWM=3.0V | 2 | ||
| Clamping Voltage | Vc | 15 | 18 | V | tp = 8/20μs | 2 | |
| Junction Capacitance | Cj | 1.5 | 2 | pF | VR = 0V, f = 1MHz | 2 |
CAD (KiCad official)
- Symbol:
BSD3C031LX - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
bsd3c031lx-etched.step/bsd3c031lx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bsd3c031lx.step/bsd3c031lx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BORN datasheet (4 pp, sha256
1d813ef5fd4359e3, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).
# BSD3C031LX
**BORN** · ESD And Surge Protection (TVS/ESD) · SOD-323
BSD3C031LX from BORN, in a SOD-323. 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 | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BORN |
| Package | SOD-323 |
| 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 | PPP | | | 350 | Watts | tp=8/20μs | 2 |
| Operating Temperature | TJ | -55 | | 150 | °C | | 2 |
| Storage Temperature | TSTG | -55 | | 150 | °C | | 2 |
| Reverse Stand-Off Voltage | VRWM | | | 3 | V | See Note1 | 2 |
| Punch-through Voltage | VPT | 4 | | | V | IPT=1μA | 2 |
| Snap-Back Voltage | VSB | 3.5 | | | V | ISB=50mA | 2 |
| Reverse Leakage Current | IR | | | 50 | nA | VRWM=3.0V | 2 |
| Clamping Voltage | Vc | | 15 | 18 | V | tp = 8/20μs | 2 |
| Junction Capacitance | Cj | | 1.5 | 2 | pF | VR = 0V, f = 1MHz | 2 |
## CAD (KiCad official)
- Symbol: `BSD3C031LX`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `bsd3c031lx-etched.step` / `bsd3c031lx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bsd3c031lx.step` / `bsd3c031lx.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [BORN datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588880608232165376) (4 pp, sha256 `1d813ef5fd4359e3`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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/bsd3c031lx-datasheet.pdf)