component
SD18C-N
Public Made by Adomby adom
BORN ESD Protection Devices, 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
SD18C-N
BORN · ESD Protection Devices · SOD-323
SD18C-N 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 |
|---|---|---|---|---|---|---|---|
| Reverse Stand-Off Voltage | VRWM | 18 | V | 2 | |||
| Reverse Breakdown Voltage | VBR | 19.8 | 21 | 23 | V | IT=1mA | 2 |
| Reverse Leakage Current | IR | 0.2 | uA | VRWM=18V, T=25◦C | 2 | ||
| Clamping Voltage | VC | 30 | 35 | V | IPP=8A, tp =8/20us | 2 | |
| Junction Capacitance | Cj | 28 | 35 | pF | VR=0V, T=25◦C, f=1MHZ | 2 | |
| Peak Pulse Power (tp =8/20μs) | PPP | 350 | Watts | tp =8/20μs | 2 | ||
| Peak Pulse Current (tp =8/20μs) | IPP | 8 | A | tp =8/20μs | 2 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | 30 | KV | 2 | |||
| ESD per IEC 61000-4-2 (Contact) | VESD | 30 | KV | 2 | |||
| Lead Soldering Temperature | TL | 260 | ◦C | 10 seconds | 2 | ||
| Junction Temperature | TJ | -55 | 150 | ◦C | 2 | ||
| Storage Temperature | Tstg | -55 | 150 | ◦C | 2 |
CAD (KiCad official)
- Symbol:
SD18C-N - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
sd18c-n-etched.step/sd18c-n-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sd18c-n.step/sd18c-n.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BORN datasheet (4 pp, sha256
1e51e72b2389d61a, retrieved 2026-11-04, 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).
# SD18C-N
**BORN** · ESD Protection Devices · SOD-323
SD18C-N 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 |
|---|---|---|---|---|---|---|---|
| Reverse Stand-Off Voltage | VRWM | | | 18 | V | | 2 |
| Reverse Breakdown Voltage | VBR | 19.8 | 21 | 23 | V | IT=1mA | 2 |
| Reverse Leakage Current | IR | | | 0.2 | uA | VRWM=18V, T=25◦C | 2 |
| Clamping Voltage | VC | | 30 | 35 | V | IPP=8A, tp =8/20us | 2 |
| Junction Capacitance | Cj | | 28 | 35 | pF | VR=0V, T=25◦C, f=1MHZ | 2 |
| Peak Pulse Power (tp =8/20μs) | PPP | | | 350 | Watts | tp =8/20μs | 2 |
| Peak Pulse Current (tp =8/20μs) | IPP | | | 8 | A | tp =8/20μs | 2 |
| ESD per IEC 61000-4-2 (Air) | VESD | | | 30 | KV | | 2 |
| ESD per IEC 61000-4-2 (Contact) | VESD | | | 30 | KV | | 2 |
| Lead Soldering Temperature | TL | | | 260 | ◦C | 10 seconds | 2 |
| Junction Temperature | TJ | -55 | | 150 | ◦C | | 2 |
| Storage Temperature | Tstg | -55 | | 150 | ◦C | | 2 |
## CAD (KiCad official)
- Symbol: `SD18C-N`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `sd18c-n-etched.step` / `sd18c-n-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sd18c-n.step` / `sd18c-n.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [BORN datasheet](docs/sd18c-n-datasheet.pdf) (4 pp, sha256 `1e51e72b2389d61a`, retrieved 2026-11-04, 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/sd18c-n-datasheet.pdf)