component
B2020WS
Public Made by Adomby adom
Changjing Schottky Diodes, SOD-323. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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B2020WS
Changjing · Schottky Diodes · SOD-323
B2020WS from Changjing, in a SOD-323. 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 | Changjing |
| Package | SOD-323 |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | V(BR) | 20 | V | IR=1mA | 1 | ||
| Reverse current | IR | 80 | μA | VR=10V | 1 | ||
| Reverse current | IR | 100 | μA | VR=20V | 1 | ||
| Forward voltage | VF | 0.45 | V | IF=1A | 1 | ||
| Forward voltage | VF | 0.55 | V | IF=2A | 1 | ||
| Total capacitance | Ctot | 120 | pF | VR=4V,f=1MHz | 1 | ||
| Peak Repetitive Reverse Voltage | VRRM | 20 | V | Ta=25℃ | 1 | ||
| RMS Reverse Voltage | VR(RMS) | 14 | V | Ta=25℃ | 1 | ||
| Continuous Forward Current | IF | 2 | A | Ta=25℃ | 1 | ||
| Non-repetitive Peak Forward Surge Current | IFSM | 9 | A | t=8.3ms | 1 | ||
| Power Dissipation (Note1) | PD | 250 | mW | Note1: FR4 PCB, single-sided copper, standard footprint | 1 | ||
| Power Dissipation (Note2) | PD | 480 | mW | Note2: FR4 PCB with copper pad 10 x 10 mm | 1 | ||
| Operating Junction Temperature Range | Tj | -40 | 125 | ℃ | 1 | ||
| Storage Temperature Range | Tstg | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance Junction to Ambient (Note1) | RΘJA | 400 | ℃/W | Note1: FR4 PCB, single-sided copper, standard footprint | 1 | ||
| Thermal Resistance Junction to Ambient (Note2) | RΘJA | 208 | ℃/W | Note2: FR4 PCB with copper pad 10 x 10 mm | 1 |
CAD (KiCad official)
- Symbol:
B2020WS - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
b2020ws-etched.step/b2020ws-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);b2020ws.step/b2020ws.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (4 pp, sha256
0786d63121eb75d8, retrieved 2026-10-22, 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).
# B2020WS
**Changjing** · Schottky Diodes · SOD-323
B2020WS from Changjing, in a SOD-323. 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 | Changjing |
| Package | SOD-323 |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | V(BR) | 20 | | | V | IR=1mA | 1 |
| Reverse current | IR | | | 80 | μA | VR=10V | 1 |
| Reverse current | IR | | | 100 | μA | VR=20V | 1 |
| Forward voltage | VF | | | 0.45 | V | IF=1A | 1 |
| Forward voltage | VF | | | 0.55 | V | IF=2A | 1 |
| Total capacitance | Ctot | | | 120 | pF | VR=4V,f=1MHz | 1 |
| Peak Repetitive Reverse Voltage | VRRM | | | 20 | V | Ta=25℃ | 1 |
| RMS Reverse Voltage | VR(RMS) | | | 14 | V | Ta=25℃ | 1 |
| Continuous Forward Current | IF | | | 2 | A | Ta=25℃ | 1 |
| Non-repetitive Peak Forward Surge Current | IFSM | | | 9 | A | t=8.3ms | 1 |
| Power Dissipation (Note1) | PD | | | 250 | mW | Note1: FR4 PCB, single-sided copper, standard footprint | 1 |
| Power Dissipation (Note2) | PD | | | 480 | mW | Note2: FR4 PCB with copper pad 10 x 10 mm | 1 |
| Operating Junction Temperature Range | Tj | -40 | | 125 | ℃ | | 1 |
| Storage Temperature Range | Tstg | -55 | | 150 | ℃ | | 1 |
| Thermal Resistance Junction to Ambient (Note1) | RΘJA | | | 400 | ℃/W | Note1: FR4 PCB, single-sided copper, standard footprint | 1 |
| Thermal Resistance Junction to Ambient (Note2) | RΘJA | | | 208 | ℃/W | Note2: FR4 PCB with copper pad 10 x 10 mm | 1 |
## CAD (KiCad official)
- Symbol: `B2020WS`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `b2020ws-etched.step` / `b2020ws-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `b2020ws.step` / `b2020ws.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Changjing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949688153722880) (4 pp, sha256 `0786d63121eb75d8`, retrieved 2026-10-22, 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/b2020ws-datasheet.pdf)