component
BAT54WSQ
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech Schottky Diodes, 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.
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
markdownBAT54WSQ
Yangzhou Yangjie Elec Tech · Schottky Diodes · SOD-323(SC-90)
BAT54WSQ 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 |
|---|---|---|---|---|---|---|---|
| Forward Voltage | VF | 0.24 | V | IF=0.1mA | 1 | ||
| Forward Voltage | VF | 0.32 | V | IF=1mA | 1 | ||
| Forward Voltage | VF | 0.4 | V | IF=10mA | 1 | ||
| Forward Voltage | VF | 0.5 | V | IF=30mA | 1 | ||
| Forward Voltage | VF | 1 | V | IF=100mA | 1 | ||
| Reverse Current | IR | 2 | μA | VR=25V | 1 | ||
| Reverse Breakdown Voltage | VBR | 30 | V | IR=10μA | 1 | ||
| Diode Capacitance | CD | 10 | pF | VR=1 V, f =1MHZ | 1 | ||
| Reverse Recovery Time | trr | 5 | ns | IF=IR=10mA,Irr=1mA,RL=100Ω | 1 | ||
| Repetitive Peak Reverse Voltage | VRRM | 30 | V | 1 | |||
| Average Forward Current | IFAV | 200 | mA | 1 | |||
| Peak Forward Surge Current | IFSM | 0.6 | A | tp＜10ms | 1 | ||
| Power Dissipation | Ptot | 200 | mW | 1 | |||
| Maximum Junction Temperature | Tj | 125 | ℃ | 1 | |||
| Storage Temperature Range | Tstg | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
BAT54WSQ - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323(SC-90) (KiCad packages3D, STEP)
- 3D model files:
bat54wsq-etched.step/bat54wsq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bat54wsq.step/bat54wsq.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
eeb521cdb43547b1, retrieved 2026-10-15, 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).