component
P6SMB20A
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.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 3h ago |
| viewers | 3h ago |
| p6smb20a-etched.glb | 3h ago |
| p6smb20a-etched.step | 3h ago |
| p6smb20a-hero.glb | 3h ago |
| p6smb20a-hero.overlay.json | 3h ago |
| p6smb20a.glb | 3h ago |
| p6smb20a.kicad_mod | 3h ago |
| p6smb20a.kicad_sym | 3h ago |
| p6smb20a.lbr | 3h ago |
| p6smb20a.step | 3h ago |
| package.json | 3h ago |
| page.json | 3h ago |
| README.md | 3h ago |
P6SMB20A
DOWO · TVS · SMB(DO-214AA)
P6SMB20A 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 (P6SMB20A, unidirectional) | VBR | 19 | 21 | V | @IT 1 mA, TA=25℃ | 3 | |
| Maximum reverse leakage (P6SMB20A) | IR | 1 | uA | @VRWM 17.1 V, TA=25℃ | 3 | ||
| Working peak reverse voltage (P6SMB20A) | VRWM | 17.1 | V | 3 | |||
| Maximum reverse surge current (P6SMB20A) | IPP | 21.66 | A | TA=25℃ | 3 | ||
| Maximum clamping voltage (P6SMB20A) | VC | 27.7 | V | @IPP | 3 | ||
| Maximum instantaneous forward voltage (unidirectional only) | VF | 3.5 | V | at 25 A for unidirectional only; VBR<200V device per note 3 | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Power dissipation on infinite heatsink | PD | 5 | W | at TL = 75 °C | 1 | ||
| Peak forward surge current | IFSM | 100 | A | 8.3 ms single half sine-wave, unidirectional only | 1 | ||
| Peak power dissipation | PPP | 600 | W | 10/1000μs waveform | 1 |
CAD (KiCad official)
- Symbol:
P6SMB20A - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
p6smb20a-etched.step/p6smb20a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p6smb20a.step/p6smb20a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DOWO datasheet (3 pp, sha256
4915dfdec2bff5fa, 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).