B0540WSQ
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech Schottky Barrier Diodes (SBD), SOD-323(SC-90). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
| Name | Last updated |
|---|---|
| docs | 2d ago |
| viewers | 2d ago |
| b0540wsq-etched.glb | 2d ago |
| b0540wsq-etched.step | 2d ago |
| b0540wsq-hero.glb | 2d ago |
| b0540wsq-hero.overlay.json | 2d ago |
| b0540wsq.glb | 2d ago |
| b0540wsq.kicad_mod | 2d ago |
| b0540wsq.kicad_sym | 2d ago |
| b0540wsq.lbr | 2d ago |
| b0540wsq.step | 2d ago |
| package.json | 2d ago |
| page.json | 2d ago |
| README.md | 2d ago |
B0540WSQ
Yangzhou Yangjie Elec Tech · Schottky Barrier Diodes (SBD) · SOD-323(SC-90)
B0540WSQ from Yangzhou Yangjie Elec Tech, in a SOD-323(SC-90). 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 | SOD-323(SC-90) |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum Recurrent Peak Reverse Voltage | VRRM | 40 | V | 1 | |||
| DC Blocking Voltage | VR | 40 | V | 1 | |||
| Average Forward Current | IFAV | 0.5 | A | 1 | |||
| Peak Forward Surge Current | IFSM | 5.5 | A | 8.3ms, half sine | 1 | ||
| Power Dissipation | Ptot | 250 | mW | 1 | |||
| Thermal Resistance Junction to Ambient | RthJA | 500 | ℃/W | 1 | |||
| Maximum Junction Temperature | Tj | -55 | 150 | ℃ | 1 | ||
| Storage Temperature Range | Tstg | -55 | 150 | ℃ | 1 | ||
| Breakdown Voltage | VR | 40 | V | IR=20uA | 1 | ||
| Forward Voltage | VF | 0.55 | V | IF=0.5A, TA=25℃ | 1 | ||
| Reverse Leakage Current | IR | 80 | uA | VR=40V | 1 | ||
| Typical Junction Capacitance | CJ | 30 | pF | VR=4V,f=1MHz | 1 |
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 | 3 | |
| contacts | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
B0540WSQ - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323(SC-90) (KiCad packages3D, STEP)
- 3D model files:
b0540wsq-etched.step/b0540wsq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);b0540wsq.step/b0540wsq.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
13ea71443881161a, 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).