component
P6SMB550A
Public Made by Adomby adom
DOWO TVS, SMB(DO-214AA). 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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P6SMB550A
DOWO · TVS · SMB(DO-214AA)
P6SMB550A from DOWO, in a SMB(DO-214AA). 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DOWO |
| Package | SMB(DO-214AA) |
| 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 | VBR | 522.5 | 577.5 | V | IT = 1 mA (test current) | 3 | |
| Maximum Clamping Voltage | VC | 760 | V | @IPP = 0.8 A, 10/1000µs waveform | 3 | ||
| Reverse Leakage Current | IR | 1 | µA | @VRWM | 3 | ||
| Reverse Stand-Off Voltage | VRWM | 467 | V | 3 | |||
| Peak Pulse Power Dissipation | PPPM | 600 | W | 10/1000µs waveform (Note1, Note2, Fig.1); printed as 'Minimum' | 1 | ||
| Peak Pulse Current | IPPM | 0.8 | A | 10/1000µs waveform (Note1, Fig.3); value from P6SMB550A row of table | 3 | ||
| Steady State Power Dissipation | PM(AV) | 5 | W | TL = 75°C, lead length .375in (9.5mm) (Note2, Fig.5) | 1 | ||
| Peak Forward Surge Current | IFSM | 100 | 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 | -65 | 150 | °C | 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 | Copper | 2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
P6SMB550A - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
p6smb550a-etched.step/p6smb550a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p6smb550a.step/p6smb550a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DOWO datasheet (4 pp, sha256
0b76d75d0d9b92a3, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band 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).
# P6SMB550A
**DOWO** · TVS · SMB(DO-214AA)
P6SMB550A from DOWO, in a SMB(DO-214AA). 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DOWO |
| Package | SMB(DO-214AA) |
| 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 | VBR | 522.5 | | 577.5 | V | IT = 1 mA (test current) | 3 |
| Maximum Clamping Voltage | VC | | | 760 | V | @IPP = 0.8 A, 10/1000µs waveform | 3 |
| Reverse Leakage Current | IR | | | 1 | µA | @VRWM | 3 |
| Reverse Stand-Off Voltage | VRWM | | 467 | | V | | 3 |
| Peak Pulse Power Dissipation | PPPM | 600 | | | W | 10/1000µs waveform (Note1, Note2, Fig.1); printed as 'Minimum' | 1 |
| Peak Pulse Current | IPPM | | | 0.8 | A | 10/1000µs waveform (Note1, Fig.3); value from P6SMB550A row of table | 3 |
| Steady State Power Dissipation | PM(AV) | | | 5 | W | TL = 75°C, lead length .375in (9.5mm) (Note2, Fig.5) | 1 |
| Peak Forward Surge Current | IFSM | | | 100 | 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 | -65 | | 150 | °C | | 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 | Copper | | 2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal. | 1 |
## CAD (KiCad official)
- Symbol: `P6SMB550A`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files: `p6smb550a-etched.step` / `p6smb550a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `p6smb550a.step` / `p6smb550a.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [DOWO datasheet](docs/p6smb550a-datasheet.pdf) (4 pp, sha256 `0b76d75d0d9b92a3`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band 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/p6smb550a-datasheet.pdf)