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BAT43W-E3-18
Public Made by Adomby adom
Vishay Intertech Schottky Barrier Diodes (SBD), 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
markdownBAT43W-E3-18
Vishay Intertech · Schottky Barrier Diodes (SBD) · SOD-123
BAT43W-E3-18 from Vishay Intertech, 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 | K | passive | Cathode terminal, marked by the cathode bar on the SOD-123 package; repetitive peak reverse voltage 30 V, forward continuous current 200 mA. |
| 2 | A | passive | Anode terminal of the single BAT43W Schottky diode, opposite the cathode bar end; forward voltage 330 mV max at IF = 2 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | V(BR) | 30 | V | IR = 100 μA (pulsed) | 2 | ||
| Leakage current | IR | 0.5 | μA | VR = 25 V | 2 | ||
| Leakage current | IR | 100 | μA | VR = 25 V, Tj = 100 °C | 2 | ||
| Forward voltage | VF | 1000 | mV | IF = 200 mA | 2 | ||
| Forward voltage | VF | 260 | 330 | mV | IF = 2 mA, BAT43W | 2 | |
| Forward voltage | VF | 450 | mV | IF = 15 mA, BAT43W | 2 | ||
| Diode capacitance | CD | 7 | pF | VR = 1 V, f = 1 MHz | 2 | ||
| Reverse recovery time | trr | 5 | ns | IF = 10 mA, IR = 10 mA, iR = 1 mA, RL = 100 Ω | 2 | ||
| Repetitive peak reverse voltage | VRRM | 30 | V | Tamb = 25 °C | 1 | ||
| Forward continuous current | IF | 200 | mA | Tamb = 25 °C; valid provided electrodes are kept at ambient temperature | 1 | ||
| Repetitive peak forward current | IFRM | 500 | mA | tp < 1 s, δ < 0.5 | 1 | ||
| Surge forward current | IFSM | 4 | A | tp < 10 ms | 1 | ||
| Power dissipation | Ptot | 200 | mW | Tamb = 65 °C | 1 | ||
| Thermal resistance junction to ambient air | RthJA | 300 | K/W | Tamb = 25 °C | 1 | ||
| Junction temperature | Tj | 125 | °C | 1 | |||
| Operating temperature range | Top | -55 | 125 | °C | 1 | ||
| Storage temperature range | Tstg | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
BAT43W-E3-18 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
bat43w-e3-18-etched.step/bat43w-e3-18-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bat43w-e3-18.step/bat43w-e3-18.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (4 pp, sha256
7d9df165e16ab6f0, retrieved 2026-10-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).