component
BAS40WT-04
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech Schottky Barrier Diodes (SBD), SOT-323(SC-70). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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BAS40WT-04
Yangzhou Yangjie Elec Tech · Schottky Barrier Diodes (SBD) · SOT-323(SC-70)
BAS40WT-04 from Yangzhou Yangjie Elec Tech, in a SOT-323(SC-70). 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 | A1 | passive | Anode of the first Schottky diode in the BAS40WT-04 series pair (marking 44), rated 40 V VRRM/VR and 200 mA continuous forward current. |
| 2 | K2 | passive | Cathode of the second Schottky diode in the BAS40WT-04 series pair, rated 40 V VR and 200 mA continuous forward current. |
| 3 | K1/A2 | passive | Common node joining the cathode of the first diode to the anode of the second diode in the series connection, rated 40 V VR and 200 mA continuous forward current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| Package | SOT-323(SC-70) |
| Category | Diodes |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | V(BR) | 40 | V | IR=10μA | 2 | ||
| Reverse leakage current | IR | 200 | nA | VR=30V | 2 | ||
| Forward voltage | VF | 380 | mV | IF=1 mA | 2 | ||
| Forward voltage | VF | 1000 | mV | IF=40mA | 2 | ||
| Diode capacitance | Cj | 5 | pF | VR=0V f=1MHz | 2 | ||
| Reverse recovery time | trr | 5 | ns | Irr=0.5mA, IR=IF=5mA RL=100Ω | 2 | ||
| Peak repetitive reverse voltage / working peak reverse voltage / DC blocking voltage | VRRM, VRWM, VR | 40 | V | Ta=25℃ | 1 | ||
| Forward continuous current | IFM | 200 | mA | Ta=25℃ | 1 | ||
| Power dissipation | PD | 200 | mW | Ta=25℃ | 1 | ||
| Thermal resistance junction to ambient | RθJA | 500 | ℃/W | Ta=25℃ | 1 | ||
| Junction temperature | TJ | 125 | ℃ | Ta=25℃ | 1 |
CAD (KiCad official)
- Symbol:
BAS40WT-04 - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323(SC-70) (KiCad packages3D, STEP)
- 3D model files:
bas40wt-04-etched.step/bas40wt-04-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bas40wt-04.step/bas40wt-04.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (4 pp, sha256
55e649d230c16e48, retrieved 2026-10-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).
# BAS40WT-04
**Yangzhou Yangjie Elec Tech** · Schottky Barrier Diodes (SBD) · SOT-323(SC-70)
BAS40WT-04 from Yangzhou Yangjie Elec Tech, in a SOT-323(SC-70). 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 | A1 | passive | Anode of the first Schottky diode in the BAS40WT-04 series pair (marking 44), rated 40 V VRRM/VR and 200 mA continuous forward current. |
| 2 | K2 | passive | Cathode of the second Schottky diode in the BAS40WT-04 series pair, rated 40 V VR and 200 mA continuous forward current. |
| 3 | K1/A2 | passive | Common node joining the cathode of the first diode to the anode of the second diode in the series connection, rated 40 V VR and 200 mA continuous forward current. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| Package | SOT-323(SC-70) |
| Category | Diodes |
| Pins | 3 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | V(BR) | 40 | | | V | IR=10μA | 2 |
| Reverse leakage current | IR | | | 200 | nA | VR=30V | 2 |
| Forward voltage | VF | | | 380 | mV | IF=1 mA | 2 |
| Forward voltage | VF | | | 1000 | mV | IF=40mA | 2 |
| Diode capacitance | Cj | | | 5 | pF | VR=0V f=1MHz | 2 |
| Reverse recovery time | trr | | | 5 | ns | Irr=0.5mA, IR=IF=5mA RL=100Ω | 2 |
| Peak repetitive reverse voltage / working peak reverse voltage / DC blocking voltage | VRRM, VRWM, VR | | | 40 | V | Ta=25℃ | 1 |
| Forward continuous current | IFM | | | 200 | mA | Ta=25℃ | 1 |
| Power dissipation | PD | | | 200 | mW | Ta=25℃ | 1 |
| Thermal resistance junction to ambient | RθJA | | | 500 | ℃/W | Ta=25℃ | 1 |
| Junction temperature | TJ | | | 125 | ℃ | Ta=25℃ | 1 |
## CAD (KiCad official)
- Symbol: `BAS40WT-04`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323(SC-70) (KiCad packages3D, STEP)
- 3D model files: `bas40wt-04-etched.step` / `bas40wt-04-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bas40wt-04.step` / `bas40wt-04.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](docs/bas40wt-04-datasheet.pdf) (4 pp, sha256 `55e649d230c16e48`, retrieved 2026-10-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/bas40wt-04-datasheet.pdf)