component
SMDJ30AQ
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.
main
SMDJ30AQ
Yangzhou Yangjie Elec Tech · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMC)
SMDJ30AQ 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 | 33.3 | 36.8 | V | IT = 1 mA (pulse test tp≤50ms, note 4); SMDJ30AQ unidirectional row | 2 | |
| Maximum Reverse Leakage | IR | 1 | µA | @ VRWM 30 V | 2 | ||
| Maximum Clamping Voltage | Vc | 48.4 | V | @ IPP 61.98 A | 2 | ||
| Maximum Reverse Surge Current | IPP | 61.98 | A | Surge current waveform per Fig.3, derated per Fig.2 (note 6) | 2 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | @ 100A for 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 range | TJ | -55 | 175 | ℃ | 1 | ||
| Storage temperature range | TSTG | -55 | 175 | ℃ | 1 | ||
| 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:
SMDJ30AQ - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files:
smdj30aq-etched.step/smdj30aq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smdj30aq.step/smdj30aq.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).
# SMDJ30AQ
**Yangzhou Yangjie Elec Tech** · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMC)
SMDJ30AQ 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 | 33.3 | | 36.8 | V | IT = 1 mA (pulse test tp≤50ms, note 4); SMDJ30AQ unidirectional row | 2 |
| Maximum Reverse Leakage | IR | | | 1 | µA | @ VRWM 30 V | 2 |
| Maximum Clamping Voltage | Vc | | | 48.4 | V | @ IPP 61.98 A | 2 |
| Maximum Reverse Surge Current | IPP | | | 61.98 | A | Surge current waveform per Fig.3, derated per Fig.2 (note 6) | 2 |
| Maximum instantaneous forward voltage | VF | | | 3.5 | V | @ 100A for 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 range | TJ | -55 | | 175 | ℃ | | 1 |
| Storage temperature range | TSTG | -55 | | 175 | ℃ | | 1 |
| 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: `SMDJ30AQ`
- Footprint: `Diode_SMD:D_SMC`
- 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files: `smdj30aq-etched.step` / `smdj30aq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smdj30aq.step` / `smdj30aq.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603065472019677184) (5 pp, sha256 `f699c92f072cb9bb`, retrieved 2026-10-15, 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/smdj30aq-datasheet.pdf)