component
WSR4001D1
Public Made by Adomby adom
Wayon 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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Contents
README
markdownWSR4001D1
Wayon · Schottky Diodes · SOD-123
WSR4001D1 from Wayon, 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 (marked with cathode band); diode is rated 40V VRRM, 1A average rectified output current. |
| 2 | A | passive | Anode; forward voltage max 0.6V at IF = 1A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Wayon |
| 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 | VBR | 40 | V | IR = 1mA | 1 | ||
| Reverse Voltage Leakage Current | IR | 1 | mA | VR = 40V | 1 | ||
| Forward Voltage 1 | VF1 | 0.6 | V | IF = 1A | 1 | ||
| Forward Voltage 2 | VF2 | 0.9 | V | IF = 3A | 1 | ||
| Diode Capacitance | CD | 120 | pF | VR = 4V,f = 1MHz | 1 | ||
| Non-Repetitive Peak Reverse Voltage | VRM | 40 | V | 1 | |||
| Repetitive Peak Reverse Voltage | VRRM | 40 | V | 1 | |||
| RMS Reverse Voltage | VR(RMS) | 28 | V | 1 | |||
| Average Rectified Output Current | IO | 1 | A | 1 | |||
| Non-Repetitive Peak Forward Surge Current | IFSM | 9 | A | t=8.3ms | 1 | ||
| Repetitive Peak Forward Current | IFRM | 1.5 | A | 1 | |||
| Power Dissipation | PD | 500 | mW | 1 | |||
| Junction Temperature | Tj | 125 | °C | 1 | |||
| Storage Temperature | Tstg | -65 | 150 | °C | 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 |
|---|---|---|---|---|
| contacts | tin | ⚫ Matte Tin (Sn) Lead Finish ⚫ Cathode Band / Device Marking | 1 |
CAD (KiCad official)
- Symbol:
WSR4001D1 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
wsr4001d1-etched.step/wsr4001d1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wsr4001d1.step/wsr4001d1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Wayon datasheet (3 pp, sha256
fada6a70676b0707, retrieved 2026-10-22, tier: lcsc) - 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).