component
SMCJ20CA-Q
Public Made by Adomby adom
BOURNS ESD And Surge Protection (TVS/ESD), SMC(DO-214AB). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
SMCJ20CA-Q
BOURNS · ESD And Surge Protection (TVS/ESD) · SMC(DO-214AB)
SMCJ20CA-Q from BOURNS, in a SMC(DO-214AB). 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BOURNS |
| Package | SMC(DO-214AB) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (bidirectional SMCJ20CA-Q) | VBR | 22.2 | 24.5 | V | @ IT = 1 mA | 2 | |
| Maximum Reverse Leakage | IR | 1 | µA | @ VRWM = 20 V | 2 | ||
| Maximum Clamping Voltage @ Ipp (10/1000 µs) | Vc | 32.4 | V | @ Ipp = 46.3 A (10/1000 µs) | 2 | ||
| Maximum Peak Pulse Current (10/1000 µs) | Ipp | 46.3 | A | 10/1000 µs | 2 | ||
| Maximum Clamping Voltage @ Ipp (8/20 µs) | Vc | 42.1 | V | @ Ipp = 231.5 A (8/20 µs) | 2 | ||
| Maximum Peak Pulse Current (8/20 µs) | Ipp | 231.5 | A | 8/20 µs | 2 | ||
| Minimum Peak Pulse Power Dissipation | PPK | 1500 | W | TP = 1 ms (Notes 1, 2) | 1 | ||
| Peak Forward Surge Current | IFSM | 200 | A | 8.3 ms single half sine wave, JEDEC method (Note 3) | 1 | ||
| Operating Temperature Range | TJ | -55 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | °C | 1 | ||
| Working Peak Reverse Voltage | VRWM | 20 | V | 2 |
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 | copper | 2. Mounted on 5.0 mm2 (0.03 mm thick) copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMCJ20CA-Q - Footprint:
Diode_SMD:D_SMC - 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
- 3D model files:
smcj20ca-q-etched.step/smcj20ca-q-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smcj20ca-q.step/smcj20ca-q.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (6 pp, sha256
9a318c7afaabc3bd, retrieved 2026-10-16, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band 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).
# SMCJ20CA-Q
**BOURNS** · ESD And Surge Protection (TVS/ESD) · SMC(DO-214AB)
SMCJ20CA-Q from BOURNS, in a SMC(DO-214AB). 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BOURNS |
| Package | SMC(DO-214AB) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (bidirectional SMCJ20CA-Q) | VBR | 22.2 | | 24.5 | V | @ IT = 1 mA | 2 |
| Maximum Reverse Leakage | IR | | | 1 | µA | @ VRWM = 20 V | 2 |
| Maximum Clamping Voltage @ Ipp (10/1000 µs) | Vc | | | 32.4 | V | @ Ipp = 46.3 A (10/1000 µs) | 2 |
| Maximum Peak Pulse Current (10/1000 µs) | Ipp | | | 46.3 | A | 10/1000 µs | 2 |
| Maximum Clamping Voltage @ Ipp (8/20 µs) | Vc | | | 42.1 | V | @ Ipp = 231.5 A (8/20 µs) | 2 |
| Maximum Peak Pulse Current (8/20 µs) | Ipp | | | 231.5 | A | 8/20 µs | 2 |
| Minimum Peak Pulse Power Dissipation | PPK | 1500 | | | W | TP = 1 ms (Notes 1, 2) | 1 |
| Peak Forward Surge Current | IFSM | | | 200 | A | 8.3 ms single half sine wave, JEDEC method (Note 3) | 1 |
| Operating Temperature Range | TJ | -55 | | 150 | °C | | 1 |
| Storage Temperature Range | TSTG | -55 | | 150 | °C | | 1 |
| Working Peak Reverse Voltage | VRWM | | 20 | | V | | 2 |
## 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 | copper | | 2. Mounted on 5.0 mm2 (0.03 mm thick) copper pads to each terminal. | 1 |
## CAD (KiCad official)
- Symbol: `SMCJ20CA-Q`
- Footprint: `Diode_SMD:D_SMC`
- 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
- 3D model files: `smcj20ca-q-etched.step` / `smcj20ca-q-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smcj20ca-q.step` / `smcj20ca-q.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [BOURNS datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588938525378666496) (6 pp, sha256 `9a318c7afaabc3bd`, retrieved 2026-10-16, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band 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/smcj20ca-q-datasheet.pdf)