component
BAT54WS L9
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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBAT54WS L9
Changjing · Schottky Diodes · SOD-323
BAT54WS L9 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 |
|---|---|---|---|---|---|---|---|
| Non-Repetitive Peak Reverse Voltage | VRM | 30 | V | Ta=25℃ | 1 | ||
| DC Blocking Voltage | VR | 21 | V | Ta=25℃ | 1 | ||
| Average Rectified Output Current | IO | 100 | mA | Ta=25℃ | 1 | ||
| Forward Continuous Current | IF | 200 | mA | Ta=25℃ | 1 | ||
| Repetitive Peak Forward Current | IFRM | 300 | mA | Ta=25℃ | 1 | ||
| Forward Surge Current | IFSM | 600 | 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 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | Ta=25℃ | 1 | |
| Reverse breakdown voltage | V(BR) | 30 | V | IR=100μA | 1 | ||
| Forward voltage 1 | VF1 | 240 | mV | IF=0.1mA | 1 | ||
| Forward voltage 2 | VF2 | 320 | mV | IF=1.0mA | 1 | ||
| Forward voltage 3 | VF3 | 400 | mV | IF=10mA | 1 | ||
| Forward voltage 4 | VF4 | 500 | mV | IF=30mA | 1 | ||
| Forward voltage 5 | VF5 | 1000 | mV | IF=100mA | 1 | ||
| Reverse current | IR | 2 | uA | VR=25V | 1 | ||
| Reverse recovery time | trr | 5 | ns | IF=10mA, IR=10mA to 1mA , RL=100Ω | 1 | ||
| Capacitance between terminals | CT | 10 | pF | VR=1V,f=1MHz | 1 |
CAD (KiCad official)
- Symbol:
BAT54WS L9 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
bat54ws-l9-etched.step/bat54ws-l9-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bat54ws-l9.step/bat54ws-l9.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (2 pp, sha256
0acb9da30ef37e98, 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).