component
SMAJ180A
Public Made by Adomby adom
Taisko Electrostatic And Surge Protection (TVS/ESD), 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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SMAJ180A
Taisko · Electrostatic And Surge Protection (TVS/ESD) · SMA(DO-214AC)
SMAJ180A from Taisko, 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 | Taisko |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (min) | VBR | 201 | V | @ IT = 1 mA | 4 | ||
| Breakdown Voltage (max) | VBR | 222 | V | @ IT = 1 mA | 4 | ||
| Reverse Stand off Voltage | VR | 180 | V | 4 | |||
| Maximum Clamping Voltage | VC | 292 | V | @ IPP = 1.4 A | 4 | ||
| Maximum Peak Pulse Current | IPP | 1.4 | A | 4 | |||
| Maximum Reverse Leakage | IR | 1 | μA | @ VR = 180 V | 4 | ||
| Peak Pulse Power Dissipation | PPPM | 400 | W | (Note1)(Note2) | 3 | ||
| Steady State Power Dissipation | PD | 3.3 | W | (Note3) | 3 | ||
| Peak Forward Surge Current | IFSM | 40 | A | (Note4) | 3 | ||
| Maximum junction capacitance | C | 1500 | PF | 3 | |||
| Operating Temperature Range | TJ | -55 | 150 | ℃ | 3 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 3 | ||
| Typical Thermal Resistance Junction to Ambient | RθJA | 120 | ℃/W | 3 |
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 | Lead Finish: Matte Tin Case Material: Epoxy Molding Compound. | 1 |
CAD (KiCad official)
- Symbol:
SMAJ180A - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj180a-etched.step/smaj180a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj180a.step/smaj180a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Taisko datasheet (8 pp, sha256
cc5d1b0bcd0dca9a, 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).
# SMAJ180A
**Taisko** · Electrostatic And Surge Protection (TVS/ESD) · SMA(DO-214AC)
SMAJ180A from Taisko, 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 | Taisko |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (min) | VBR | 201 | | | V | @ IT = 1 mA | 4 |
| Breakdown Voltage (max) | VBR | | | 222 | V | @ IT = 1 mA | 4 |
| Reverse Stand off Voltage | VR | | | 180 | V | | 4 |
| Maximum Clamping Voltage | VC | | | 292 | V | @ IPP = 1.4 A | 4 |
| Maximum Peak Pulse Current | IPP | | | 1.4 | A | | 4 |
| Maximum Reverse Leakage | IR | | | 1 | μA | @ VR = 180 V | 4 |
| Peak Pulse Power Dissipation | PPPM | | | 400 | W | (Note1)(Note2) | 3 |
| Steady State Power Dissipation | PD | | | 3.3 | W | (Note3) | 3 |
| Peak Forward Surge Current | IFSM | | | 40 | A | (Note4) | 3 |
| Maximum junction capacitance | C | | | 1500 | PF | | 3 |
| Operating Temperature Range | TJ | -55 | | 150 | ℃ | | 3 |
| Storage Temperature Range | TSTG | -55 | | 150 | ℃ | | 3 |
| Typical Thermal Resistance Junction to Ambient | RθJA | | 120 | | ℃/W | | 3 |
## 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 | Lead Finish: Matte Tin Case Material: Epoxy Molding Compound. | 1 |
## CAD (KiCad official)
- Symbol: `SMAJ180A`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files: `smaj180a-etched.step` / `smaj180a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smaj180a.step` / `smaj180a.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Taisko datasheet](docs/smaj180a-datasheet.pdf) (8 pp, sha256 `cc5d1b0bcd0dca9a`, 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/smaj180a-datasheet.pdf)