component
SMAJ170CA
Public Made by Adomby adom
Liown TVS, SMA(DO-214AC). 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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SMAJ170CA
Liown · TVS · SMA(DO-214AC)
SMAJ170CA from Liown, in a SMA(DO-214AC). 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 | Liown |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak pulse power dissipation (10/1000μs waveform) | PPPM | 400 | W | 10/1000μs waveform (Note 1, Note 2, Fig.1) | 1 | ||
| Steady state power dissipation | PM(AV) | 3.3 | W | TA=50℃ (Fig.5) | 1 | ||
| Peak forward surge current | IFSM | 60 | A | 8.3ms single half sine-wave superimposed on rated load, (JEDEC Method) (Note3, Fig.6) | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | ℃ | 1 | ||
| Typical thermal resistance junction to lead | RθJL | 30 | ℃/W | 1 | |||
| Typical thermal resistance junction to ambient | RθJA | 120 | ℃/W | 1 | |||
| Breakdown voltage (minimum) | VB | 189 | V | @IT = 1 mA (test current, bidirectional SMAJ170CA) | 2 | ||
| Breakdown voltage (maximum) | VB | 209 | V | @IT = 1 mA (test current, bidirectional SMAJ170CA) | 2 | ||
| Maximum clamping voltage | VC | 275 | V | @IPP = 1.5 A peak pulse current | 2 | ||
| Reverse stand-off voltage | VR | 170 | V | Uni. and Bi. (CA) column as printed | 2 | ||
| Reverse leakage current | IR | 1 | μA | @VR = 170 V | 2 |
CAD (KiCad official)
- Symbol:
SMAJ170CA - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj170ca-etched.step/smaj170ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj170ca.step/smaj170ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Liown datasheet (6 pp, sha256
72f93693a72670d2, retrieved 2026-10-21, 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).
# SMAJ170CA
**Liown** · TVS · SMA(DO-214AC)
SMAJ170CA from Liown, in a SMA(DO-214AC). 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 | Liown |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak pulse power dissipation (10/1000μs waveform) | PPPM | | | 400 | W | 10/1000μs waveform (Note 1, Note 2, Fig.1) | 1 |
| Steady state power dissipation | PM(AV) | | | 3.3 | W | TA=50℃ (Fig.5) | 1 |
| Peak forward surge current | IFSM | | | 60 | A | 8.3ms single half sine-wave superimposed on rated load, (JEDEC Method) (Note3, Fig.6) | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -55 | | 150 | ℃ | | 1 |
| Typical thermal resistance junction to lead | RθJL | | 30 | | ℃/W | | 1 |
| Typical thermal resistance junction to ambient | RθJA | | 120 | | ℃/W | | 1 |
| Breakdown voltage (minimum) | VB | 189 | | | V | @IT = 1 mA (test current, bidirectional SMAJ170CA) | 2 |
| Breakdown voltage (maximum) | VB | | | 209 | V | @IT = 1 mA (test current, bidirectional SMAJ170CA) | 2 |
| Maximum clamping voltage | VC | | | 275 | V | @IPP = 1.5 A peak pulse current | 2 |
| Reverse stand-off voltage | VR | | 170 | | V | Uni. and Bi. (CA) column as printed | 2 |
| Reverse leakage current | IR | | | 1 | μA | @VR = 170 V | 2 |
## CAD (KiCad official)
- Symbol: `SMAJ170CA`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files: `smaj170ca-etched.step` / `smaj170ca-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smaj170ca.step` / `smaj170ca.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Liown datasheet](docs/smaj170ca-datasheet.pdf) (6 pp, sha256 `72f93693a72670d2`, retrieved 2026-10-21, 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/smaj170ca-datasheet.pdf)