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SMF5.0A KE
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Shenzhen Jinkaisheng Elec ESD Protection Devices, SOD-123FL. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SMF5.0A KE
Shenzhen Jinkaisheng Elec · ESD Protection Devices · SOD-123FL
SMF5.0A KE from Shenzhen Jinkaisheng Elec, 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 (marked end) of the unidirectional SMF5.0A TVS, with VR 5.0V stand-off, VBR 6.40-7.00V at 10mA and VC max 9.2V at IPP 21.7A (10/1000μs). |
| 2 | A | passive | Anode of the unidirectional SMF5.0A TVS, which conducts in the forward direction with VF max 3.5V at 20A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen Jinkaisheng Elec |
| Package | SOD-123FL |
| Category | TVS/Fuse/Board Level 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 breakdown voltage | VBR | 6.4 | 7 | V | @IT=10mA, TA=25℃ | 2 | |
| Reverse stand-off voltage | VR | 5 | V | TA=25℃ | 2 | ||
| Reverse leakage current | IR | 400 | μA | @VR=5.0V, TA=25℃ | 2 | ||
| Clamping voltage | VC | 9.2 | V | @IPP=21.7A, 10/1000μs | 2 | ||
| Peak pulse current | IPP | 21.7 | A | 10/1000μs waveform | 2 | ||
| Test current | IT | 10 | mA | VBR test | 2 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | at 20A for unidirectional | 1 | ||
| Peak pulse power dissipation | PPP | 200 | W | 10/1000μs waveform | 1 | ||
| Steady state power dissipation | PM(AV) | 2.8 | W | TL=75℃ | 1 | ||
| Storage and operating junction temperature range | TSTG/TJ | -55 | 150 | ℃ | 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:
SMF5.0A KE - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
smf5-0a-ke-etched.step/smf5-0a-ke-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf5-0a-ke.step/smf5-0a-ke.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen Jinkaisheng Elec datasheet (6 pp, sha256
66f697035311928f, 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).
# SMF5.0A KE
**Shenzhen Jinkaisheng Elec** · ESD Protection Devices · SOD-123FL
SMF5.0A KE from Shenzhen Jinkaisheng Elec, 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 (marked end) of the unidirectional SMF5.0A TVS, with VR 5.0V stand-off, VBR 6.40-7.00V at 10mA and VC max 9.2V at IPP 21.7A (10/1000μs). |
| 2 | A | passive | Anode of the unidirectional SMF5.0A TVS, which conducts in the forward direction with VF max 3.5V at 20A. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen Jinkaisheng Elec |
| Package | SOD-123FL |
| Category | TVS/Fuse/Board Level 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 breakdown voltage | VBR | 6.4 | | 7 | V | @IT=10mA, TA=25℃ | 2 |
| Reverse stand-off voltage | VR | | 5 | | V | TA=25℃ | 2 |
| Reverse leakage current | IR | | | 400 | μA | @VR=5.0V, TA=25℃ | 2 |
| Clamping voltage | VC | | | 9.2 | V | @IPP=21.7A, 10/1000μs | 2 |
| Peak pulse current | IPP | | | 21.7 | A | 10/1000μs waveform | 2 |
| Test current | IT | | 10 | | mA | VBR test | 2 |
| Maximum instantaneous forward voltage | VF | | | 3.5 | V | at 20A for unidirectional | 1 |
| Peak pulse power dissipation | PPP | | | 200 | W | 10/1000μs waveform | 1 |
| Steady state power dissipation | PM(AV) | | | 2.8 | W | TL=75℃ | 1 |
| Storage and operating junction temperature range | TSTG/TJ | -55 | | 150 | ℃ | | 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: `SMF5.0A KE`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `smf5-0a-ke-etched.step` / `smf5-0a-ke-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smf5-0a-ke.step` / `smf5-0a-ke.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shenzhen Jinkaisheng Elec datasheet](docs/smf5-0a-ke-datasheet.pdf) (6 pp, sha256 `66f697035311928f`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/smf5-0a-ke-datasheet.pdf)