component
SMDJ22AQ
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech ESD And Surge Protection (TVS/ESD), DO-214AB(SMC). 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
markdownSMDJ22AQ
Yangzhou Yangjie Elec Tech · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMC)
SMDJ22AQ from Yangzhou Yangjie Elec Tech, in a DO-214AB(SMC). 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-214AB(SMC) |
| 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 | 24.4 | 26.9 | V | IT = 1 mA; pulse test tp≤50ms (note 4) | 2 | |
| Maximum Reverse Leakage | IR | 1 | μA | @ VRWM = 22 V | 2 | ||
| Maximum Reverse Surge Current | IPP | 84.51 | A | Surge waveform per Fig.3, derated per Fig.2 (note 6) | 2 | ||
| Maximum Clamping Voltage | VC | 35.5 | V | @ IPP | 2 | ||
| Maximum Instantaneous Forward Voltage | VF | 3.5 | V | @ 100A, unidirectional only | 1 | ||
| Peak Power Dissipation | PPPM | 3000 | W | 10/1000us waveform (notes 1, 2; Fig.1) | 1 | ||
| Power Dissipation | PD | 6.5 | W | On infinite heat sink at TL=75℃ (note 2) | 1 | ||
| Peak Forward Surge Current | IFSM | 300 | A | 8.3 ms single half sine-wave, unidirectional only (note 3) | 1 | ||
| Operating Junction Temperature | TJ | -55 | 175 | ℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 175 | ℃ | 1 | ||
| Working Peak Reverse Voltage | VRWM | 22 | V | Uni-directional SMDJ22AQ | 2 | ||
| Thermal Resistance (Typical), junction to ambient | RθJA | 75 | ℃/W | junction to ambient | 2 | ||
| Thermal Resistance (Typical), junction to lead | RθJL | 15 | ℃/W | junction to lead | 2 |
CAD (KiCad official)
- Symbol:
SMDJ22AQ - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files:
smdj22aq-etched.step/smdj22aq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smdj22aq.step/smdj22aq.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256
f699c92f072cb9bb, 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).