component
SMF4L10CA
Public Made by Adomby adom
Littelfuse TVS, SOD-123F. 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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SMF4L10CA
Littelfuse · TVS · SOD-123F
SMF4L10CA from Littelfuse, in a SOD-123F. 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 fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | SOD-123F |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (Bi-directional, CA) | VBR | 11.1 | 12.3 | V | @ IT = 1 mA (test current, same row) | 2 | |
| Maximum Reverse Leakage | IR | 5 | µA | @ VR | 2 | ||
| Maximum Peak Pulse Current | Ipp | 23.5 | A | Surge current waveform per 10/1000µs (Note 2) | 2 | ||
| Maximum Clamping Voltage | VC | 17 | V | @ Ipp | 2 | ||
| Peak Pulse Power Dissipation | PPPM | 2000 | W | 8/20µs (Note 2) | 1 | ||
| Power Dissipation On Infinite Heat Sink | PD | 1 | W | TL = 50ºC | 1 | ||
| Operating and Storage Temperature Range | TJ,TSTG | -55 | 150 | °C | 1 | ||
| VBR Voltage Tolerance | -5 | 5 | % | A suffix in part number (5% VBR voltage tolerance per part numbering system) | 6 | ||
| Peak Pulse Power Dissipation | PPPM | 400 | W | 10/1000µs (Note 3) | 1 | ||
| Thermal Resistance Junction to Ambient | RθJA | 220 | °C/W | 1 | |||
| Thermal Resistance Junction to Lead | RθJL | 100 | °C/W | 1 | |||
| VBR Temperature Coefficient | αT | 0.1 | % | VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)); typical value | 1 |
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 | tin | ■ Matte tin lead-free plated ■ Halogen-free and RoHS | 1 |
CAD (KiCad official)
- Symbol:
SMF4L10CA - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123F (KiCad packages3D, STEP)
- 3D model files:
smf4l10ca-etched.step/smf4l10ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf4l10ca.step/smf4l10ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
b218e4b484af09d8, 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).
# SMF4L10CA
**Littelfuse** · TVS · SOD-123F
SMF4L10CA from Littelfuse, in a SOD-123F. 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 fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | SOD-123F |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (Bi-directional, CA) | VBR | 11.1 | | 12.3 | V | @ IT = 1 mA (test current, same row) | 2 |
| Maximum Reverse Leakage | IR | | | 5 | µA | @ VR | 2 |
| Maximum Peak Pulse Current | Ipp | | | 23.5 | A | Surge current waveform per 10/1000µs (Note 2) | 2 |
| Maximum Clamping Voltage | VC | | | 17 | V | @ Ipp | 2 |
| Peak Pulse Power Dissipation | PPPM | | | 2000 | W | 8/20µs (Note 2) | 1 |
| Power Dissipation On Infinite Heat Sink | PD | | | 1 | W | TL = 50ºC | 1 |
| Operating and Storage Temperature Range | TJ,TSTG | -55 | | 150 | °C | | 1 |
| VBR Voltage Tolerance | | -5 | | 5 | % | A suffix in part number (5% VBR voltage tolerance per part numbering system) | 6 |
| Peak Pulse Power Dissipation | PPPM | | 400 | | W | 10/1000µs (Note 3) | 1 |
| Thermal Resistance Junction to Ambient | RθJA | | 220 | | °C/W | | 1 |
| Thermal Resistance Junction to Lead | RθJL | | 100 | | °C/W | | 1 |
| VBR Temperature Coefficient | αT | | 0.1 | | % | VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)); typical value | 1 |
## 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 | | tin | ■ Matte tin lead-free plated ■ Halogen-free and RoHS | 1 |
## CAD (KiCad official)
- Symbol: `SMF4L10CA`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123F (KiCad packages3D, STEP)
- 3D model files: `smf4l10ca-etched.step` / `smf4l10ca-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smf4l10ca.step` / `smf4l10ca.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Littelfuse datasheet](docs/smf4l10ca-datasheet.pdf) (6 pp, sha256 `b218e4b484af09d8`, 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/smf4l10ca-datasheet.pdf)