component
P4SMAJ18A_R1_00001
Public Made by Adomby adom
PANJIT International ESD 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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P4SMAJ18A_R1_00001
PANJIT International · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
P4SMAJ18A_R1_00001 from PANJIT International, 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 bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (unidirectional, P4SMAJ18A) | VBR | 20 | 22.1 | V | I_T = 1 mA | 2 | |
| Max. clamp voltage (unidirectional, P4SMAJ18A) | VC | 29.2 | V | I_PP = 13.7 A, 10/1000 µs waveform | 2 | ||
| Peak pulse power dissipation | PPP | 400 | W | T_A = 25°C, Notes 1,2,5, Fig.1, 10/1000 µs waveform | 1 | ||
| Peak forward surge current | IFSM | 40 | A | Notes 3, 8.3 ms single half sine-wave | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Typical thermal resistance junction to air | RθJA | 70 | °C/W | Notes 2, mounted on 5 mm² copper pads to each terminal | 1 | ||
| ESD IEC-61000-4-2 (Air) | VESD | 30 | kV | IEC-61000-4-2 Air | 1 | ||
| ESD IEC-61000-4-2 (Contact) | VESD | 30 | kV | IEC-61000-4-2 Contact | 1 |
CAD (KiCad official)
- Symbol:
P4SMAJ18A_R1_00001 - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
p4smaj18a-r1-00001-etched.step/p4smaj18a-r1-00001-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p4smaj18a-r1-00001.step/p4smaj18a-r1-00001.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PANJIT International datasheet (7 pp, sha256
61e684d1e8fd8c33, retrieved 2026-10-15, 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).
# P4SMAJ18A_R1_00001
**PANJIT International** · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
P4SMAJ18A_R1_00001 from PANJIT International, 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 bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (unidirectional, P4SMAJ18A) | VBR | 20 | | 22.1 | V | I_T = 1 mA | 2 |
| Max. clamp voltage (unidirectional, P4SMAJ18A) | VC | | | 29.2 | V | I_PP = 13.7 A, 10/1000 µs waveform | 2 |
| Peak pulse power dissipation | PPP | | | 400 | W | T_A = 25°C, Notes 1,2,5, Fig.1, 10/1000 µs waveform | 1 |
| Peak forward surge current | IFSM | | | 40 | A | Notes 3, 8.3 ms single half sine-wave | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -55 | | 150 | °C | | 1 |
| Typical thermal resistance junction to air | RθJA | | 70 | | °C/W | Notes 2, mounted on 5 mm² copper pads to each terminal | 1 |
| ESD IEC-61000-4-2 (Air) | VESD | | | 30 | kV | IEC-61000-4-2 Air | 1 |
| ESD IEC-61000-4-2 (Contact) | VESD | | | 30 | kV | IEC-61000-4-2 Contact | 1 |
## CAD (KiCad official)
- Symbol: `P4SMAJ18A_R1_00001`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files: `p4smaj18a-r1-00001-etched.step` / `p4smaj18a-r1-00001-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `p4smaj18a-r1-00001.step` / `p4smaj18a-r1-00001.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [PANJIT International datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590201769889464320) (7 pp, sha256 `61e684d1e8fd8c33`, retrieved 2026-10-15, 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/p4smaj18a-r1-00001-datasheet.pdf)