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BAT54W1
Public Made by Adomby adom
ST Semtech Schottky Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, 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
markdownBAT54W1
ST Semtech · Schottky Diodes · SOD-123
BAT54W1 from ST Semtech, in a SOD-123. 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 | Cathode | passive | Cathode terminal of the Schottky barrier diode, identified in the PINNING table as pin 1 and marked by the cathode line on the package; the datasheet's absolute maximum reverse voltage is 30 V. |
| 2 | Anode | passive | Anode terminal of the Schottky barrier diode, identified in the PINNING table as pin 2; the datasheet's absolute maximum forward current is 200 mA (repetitive peak 300 mA). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ST Semtech |
| Package | SOD-123 |
| 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 at IF = 0.1 mA | VF | 240 | mV | at IF = 0.1 mA | 1 | ||
| Forward Voltage at IF = 1 mA | VF | 320 | mV | at IF = 1 mA | 1 | ||
| Forward Voltage at IF = 10 mA | VF | 400 | mV | at IF = 10 mA | 1 | ||
| Forward Voltage at IF = 30 mA | VF | 500 | mV | at IF = 30 mA | 1 | ||
| Forward Voltage at IF = 100 mA | VF | 800 | mV | at IF = 100 mA | 1 | ||
| Reverse Current | IR | 2 | µA | at VR = 25 V | 1 | ||
| Total Capacitance | CT | 10 | pF | at VR = 1 V, f = 1 MHz | 1 | ||
| Reverse Recovery Time | trr | 6 | ns | at IF = 10 mA, IR = 10 mA, IRR = 1 mA, RL = 100 Ω | 1 | ||
| Storage Temperature Range | Tstg | -65 | 150 | ℃ | 1 | ||
| Reverse Voltage | VR | 30 | V | 1 | |||
| Forward Current | IF | 200 | mA | 1 | |||
| Repetitive Peak Forward Current | IFRM | 300 | mA | 1 | |||
| Peak Forward Surge Current | IFSM | 600 | mA | tp = 10 ms | 1 | ||
| Power Dissipation | PD | 230 | mW | 1 | |||
| Junction Temperature | TJ | 125 | ℃ | 1 | |||
| Thermal Resistance from Junction to Ambient | RθJA | 435 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
BAT54W1 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
bat54w1-etched.step/bat54w1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bat54w1.step/bat54w1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ST Semtech datasheet (3 pp, sha256
002a983e256ae8f5, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(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).