component
SMBJ26AQ
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech ESD And Surge Protection (TVS/ESD), DO-214AA(SMB). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSMBJ26AQ
Yangzhou Yangjie Elec Tech · ESD And Surge Protection (TVS/ESD) · DO-214AA(SMB)
SMBJ26AQ from Yangzhou Yangjie Elec Tech, in a DO-214AA(SMB). 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 | Yangzhou Yangjie Elec Tech |
| Package | DO-214AA(SMB) |
| 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 | 28.9 | 31.9 | V | @ IT 1 mA; pulse test tp≤50ms (note 4) | 2 | |
| Maximum reverse leakage | IR | 1 | μA | @ VRWM | 2 | ||
| Working peak reverse voltage | VRWM | 26 | V | 2 | |||
| Maximum reverse surge current | IPP | 14.3 | A | Surge current waveform per Fig. 3 and derated per Fig. 2 (note 5) | 2 | ||
| Maximum clamping voltage | VC | 42.1 | V | @ IPP | 2 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | at 50A for unidirectional only (3) | 1 | ||
| Peak power dissipation | PPPM | 600 | W | 10/1000us waveform (1) (2) (Fig.1) | 1 | ||
| Peak forward surge current | IFSM | 100 | A | 8.3 ms single half sine-wave, unidirectional only (2) | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal resistance, junction to lead | RθJL | 20 | ℃/W | junction to lead | 2 | ||
| Thermal resistance, junction to ambient | RθJA | 100 | ℃/W | junction to ambient | 2 |
CAD (KiCad official)
- Symbol:
SMBJ26AQ - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files:
smbj26aq-etched.step/smbj26aq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj26aq.step/smbj26aq.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (6 pp, sha256
615463ea6591c3a7, retrieved 2026-10-15, 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).