component
B0520X
Public Made by Adomby adom
Changjing Schottky Barrier Diodes (SBD), SOD-523. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
B0520X
Changjing · Schottky Barrier Diodes (SBD) · SOD-523
B0520X from Changjing, in a SOD-523. 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-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak repetitive peak reverse voltage | VRRM | 20 | V | 1 | |||
| Working peak reverse voltage | VRWM | 20 | V | 1 | |||
| DC blocking voltage | VR | 20 | V | 1 | |||
| RMS reverse voltage | VR(RMS) | 14 | V | 1 | |||
| Average rectified output current | Io | 0.5 | A | 1 | |||
| Non-repetitive peak forward surge current | IFSM | 5.5 | A | t=8.3ms | 1 | ||
| Power dissipation | PD | 150 | mW | 1 | |||
| Thermal resistance junction to ambient | RθJA | 667 | ℃/W | 1 | |||
| Operating junction temperature range | Tj | -40 | 125 | ℃ | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | ℃ | 1 | ||
| Minimum reverse breakdown voltage | V(BR) | 20 | V | IR=250μA | 1 | ||
| Forward voltage | VF1 | 180 | mV | IF=0.1mA | 1 | ||
| Forward voltage | VF2 | 240 | mV | IF=1mA | 1 | ||
| Forward voltage | VF3 | 290 | mV | IF=10mA | 1 | ||
| Forward voltage | VF4 | 380 | mV | IF=100mA | 1 | ||
| Forward voltage | VF5 | 600 | mV | IF=500mA | 1 | ||
| Reverse current | IR | 50 | μA | VR=10V | 1 | ||
| Capacitance between terminals | C | 30 | pF | VR=1V,f=1MHz | 1 |
CAD (KiCad official)
- Symbol:
B0520X - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
b0520x-etched.step/b0520x-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);b0520x.step/b0520x.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (4 pp, sha256
b1e897c1ed37d2cd, retrieved 2026-10-21, 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).
# B0520X
**Changjing** · Schottky Barrier Diodes (SBD) · SOD-523
B0520X from Changjing, in a SOD-523. 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-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak repetitive peak reverse voltage | VRRM | | | 20 | V | | 1 |
| Working peak reverse voltage | VRWM | | | 20 | V | | 1 |
| DC blocking voltage | VR | | | 20 | V | | 1 |
| RMS reverse voltage | VR(RMS) | | | 14 | V | | 1 |
| Average rectified output current | Io | | | 0.5 | A | | 1 |
| Non-repetitive peak forward surge current | IFSM | | | 5.5 | A | t=8.3ms | 1 |
| Power dissipation | PD | | | 150 | mW | | 1 |
| Thermal resistance junction to ambient | RθJA | | | 667 | ℃/W | | 1 |
| Operating junction temperature range | Tj | -40 | | 125 | ℃ | | 1 |
| Storage temperature range | TSTG | -55 | | 150 | ℃ | | 1 |
| Minimum reverse breakdown voltage | V(BR) | 20 | | | V | IR=250μA | 1 |
| Forward voltage | VF1 | | | 180 | mV | IF=0.1mA | 1 |
| Forward voltage | VF2 | | | 240 | mV | IF=1mA | 1 |
| Forward voltage | VF3 | | | 290 | mV | IF=10mA | 1 |
| Forward voltage | VF4 | | | 380 | mV | IF=100mA | 1 |
| Forward voltage | VF5 | | | 600 | mV | IF=500mA | 1 |
| Reverse current | IR | | | 50 | μA | VR=10V | 1 |
| Capacitance between terminals | C | | 30 | | pF | VR=1V,f=1MHz | 1 |
## CAD (KiCad official)
- Symbol: `B0520X`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `b0520x-etched.step` / `b0520x-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `b0520x.step` / `b0520x.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Changjing datasheet](docs/b0520x-datasheet.pdf) (4 pp, sha256 `b1e897c1ed37d2cd`, retrieved 2026-10-21, 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/b0520x-datasheet.pdf)