component
SMF6.5CA-Q
Public Made by Adomby adom
Liown ESD And Surge Protection (TVS/ESD), SOD-123FL. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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SMF6.5CA-Q
Liown · ESD And Surge Protection (TVS/ESD) · SOD-123FL
SMF6.5CA-Q from Liown, in a SOD-123FL. 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 | Liown |
| Package | SOD-123FL |
| 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 | VR | 6.5 | V | 2 | |||
| Breakdown Voltage | VB | 7.22 | 7.98 | V | @IT=10mA | 2 | |
| Maximum Clamping Voltage | VC | 11.2 | V | @IPP=17.9A | 2 | ||
| Peak Pulse Current | IPP | 17.9 | A | 10/1000μs waveform | 2 | ||
| Reverse Leakage Current | IR | 350 | μA | @VR | 2 | ||
| Peak pulse power dissipation 10/1000μs | PPPM | 200 | W | 10/1000μs waveform, TA=25℃ | 1 | ||
| Peak pulse power 8/20μs | PPPM | 1000 | W | tp=8/20μs waveform | 1 | ||
| Steady state power dissipation | PM(AV) | 1 | W | TL=75℃ | 1 | ||
| Peak forward surge current | IFSM | 20 | A | 8.3ms single half sine-wave | 1 | ||
| Operating junction and storage temperature | TJ, TSTG | -55 | 150 | ℃ | 1 | ||
| Maximum instantaneous forward voltage (unidirectional only) | VF | 3.5 | V | at 12A | 1 | ||
| Thermal resistance junction to lead | RθJL | 100 | ℃/W | Typical | 1 | ||
| Thermal resistance junction to ambient | RθJA | 220 | ℃/W | Typical | 1 |
CAD (KiCad official)
- Symbol:
SMF6.5CA-Q - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
smf6-5ca-q-etched.step/smf6-5ca-q-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf6-5ca-q.step/smf6-5ca-q.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Liown datasheet (6 pp, sha256
13a17b742ae213c0, retrieved 2026-10-22, 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).
# SMF6.5CA-Q
**Liown** · ESD And Surge Protection (TVS/ESD) · SOD-123FL
SMF6.5CA-Q from Liown, in a SOD-123FL. 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 | Liown |
| Package | SOD-123FL |
| 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 | VR | | 6.5 | | V | | 2 |
| Breakdown Voltage | VB | 7.22 | | 7.98 | V | @IT=10mA | 2 |
| Maximum Clamping Voltage | VC | | | 11.2 | V | @IPP=17.9A | 2 |
| Peak Pulse Current | IPP | | | 17.9 | A | 10/1000μs waveform | 2 |
| Reverse Leakage Current | IR | | | 350 | μA | @VR | 2 |
| Peak pulse power dissipation 10/1000μs | PPPM | | | 200 | W | 10/1000μs waveform, TA=25℃ | 1 |
| Peak pulse power 8/20μs | PPPM | | | 1000 | W | tp=8/20μs waveform | 1 |
| Steady state power dissipation | PM(AV) | | | 1 | W | TL=75℃ | 1 |
| Peak forward surge current | IFSM | | | 20 | A | 8.3ms single half sine-wave | 1 |
| Operating junction and storage temperature | TJ, TSTG | -55 | | 150 | ℃ | | 1 |
| Maximum instantaneous forward voltage (unidirectional only) | VF | | | 3.5 | V | at 12A | 1 |
| Thermal resistance junction to lead | RθJL | | 100 | | ℃/W | Typical | 1 |
| Thermal resistance junction to ambient | RθJA | | 220 | | ℃/W | Typical | 1 |
## CAD (KiCad official)
- Symbol: `SMF6.5CA-Q`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `smf6-5ca-q-etched.step` / `smf6-5ca-q-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smf6-5ca-q.step` / `smf6-5ca-q.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Liown datasheet](docs/smf6-5ca-q-datasheet.pdf) (6 pp, sha256 `13a17b742ae213c0`, retrieved 2026-10-22, 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/smf6-5ca-q-datasheet.pdf)