SMCJ24AQ
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.
SMCJ24AQ
Yangzhou Yangjie Elec Tech · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMC)
SMCJ24AQ 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, minimum | VBR | 26.7 | V | IT = 1 mA; pulse test tp≤50ms (note 5) | 2 | ||
| Breakdown voltage, maximum | VBR | 29.5 | V | IT = 1 mA; pulse test tp≤50ms (note 5) | 2 | ||
| Maximum reverse leakage current | IR | 1 | μA | @ VRWM = 24 V | 2 | ||
| Maximum reverse surge current | IPP | 38.6 | A | Surge current waveform per Fig.3, derated per Fig.2 (note 7) | 2 | ||
| Maximum clamping voltage | VC | 38.9 | V | @ IPP | 2 | ||
| Working peak reverse voltage | VRWM | 24 | V | 2 | |||
| Maximum instantaneous forward voltage | VFM | 3.5 | V | at 100 A; unidirectional only (note 4: VF=3.5 V max for devices of VBR≤220 V) | 1 | ||
| Peak power dissipation | PPPM | 1500 | W | 10/1000 µs waveform (notes 1, 2) | 1 | ||
| Power dissipation | PD | 6.5 | W | Infinite heat sink at TL=75℃ (note 2) | 1 | ||
| Peak forward surge current | IFSM | 200 | 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 | ||
| Thermal resistance, junction to ambient (typical) | RθJ-A | 75 | ℃/W | Junction to ambient; mounted on minimum recommended pad layout (note 9) | 3 | ||
| Thermal resistance, junction to lead (typical) | RθJ-L | 15 | ℃/W | Junction to lead | 3 |
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 |
|---|---|---|---|---|
| housing | black | 4. Body color: Black | 4 | |
| contacts | tin | ● Terminals: Matte tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
SMCJ24AQ - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files:
smcj24aq-etched.step/smcj24aq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smcj24aq.step/smcj24aq.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (7 pp, sha256
bc358d52c706a87f, retrieved 2026-10-16, 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).
# SMCJ24AQ
**Yangzhou Yangjie Elec Tech** · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMC)
SMCJ24AQ 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, minimum | VBR | 26.7 | | | V | IT = 1 mA; pulse test tp≤50ms (note 5) | 2 |
| Breakdown voltage, maximum | VBR | | | 29.5 | V | IT = 1 mA; pulse test tp≤50ms (note 5) | 2 |
| Maximum reverse leakage current | IR | | | 1 | μA | @ VRWM = 24 V | 2 |
| Maximum reverse surge current | IPP | | | 38.6 | A | Surge current waveform per Fig.3, derated per Fig.2 (note 7) | 2 |
| Maximum clamping voltage | VC | | | 38.9 | V | @ IPP | 2 |
| Working peak reverse voltage | VRWM | | 24 | | V | | 2 |
| Maximum instantaneous forward voltage | VFM | | | 3.5 | V | at 100 A; unidirectional only (note 4: VF=3.5 V max for devices of VBR≤220 V) | 1 |
| Peak power dissipation | PPPM | | | 1500 | W | 10/1000 µs waveform (notes 1, 2) | 1 |
| Power dissipation | PD | | | 6.5 | W | Infinite heat sink at TL=75℃ (note 2) | 1 |
| Peak forward surge current | IFSM | | | 200 | 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 |
| Thermal resistance, junction to ambient (typical) | RθJ-A | | 75 | | ℃/W | Junction to ambient; mounted on minimum recommended pad layout (note 9) | 3 |
| Thermal resistance, junction to lead (typical) | RθJ-L | | 15 | | ℃/W | Junction to lead | 3 |
## 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 |
|---|---|---|---|---|
| housing | | black | 4. Body color: Black | 4 |
| contacts | | tin | ● Terminals: Matte tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
## CAD (KiCad official)
- Symbol: `SMCJ24AQ`
- Footprint: `Diode_SMD:D_SMC`
- 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files: `smcj24aq-etched.step` / `smcj24aq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smcj24aq.step` / `smcj24aq.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/8590906270403026944) (7 pp, sha256 `bc358d52c706a87f`, retrieved 2026-10-16, 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/smcj24aq-datasheet.pdf)