component
KSDM20U40
Public Made by Adomby adom
KUU Schottky Barrier Diodes (SBD), SOD-523. 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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Contents
README
markdownKSDM20U40
KUU · Schottky Barrier Diodes (SBD) · SOD-523
KSDM20U40 from KUU, in a SOD-523. 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 | KUU |
| Package | SOD-523 |
| 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 Voltage | VBR | 40 | V | IF = 100uA | 1 | ||
| Forward Voltage | VF | 0.37 | V | IF = 20mA | 1 | ||
| Forward Voltage | VF | 0.6 | V | IF = 200mA | 1 | ||
| Reverse current | IR | 5 | μA | VR= 30V | 1 | ||
| Capacitance | CT | 50 | pF | VR = 0V, f = 1MHz | 1 | ||
| Peak Repetitive Reverse Voltage | VRRM | 40 | V | Ta = 25 ℃ | 1 | ||
| Working Peak Reverse Voltage | VRWM | 40 | V | Ta = 25 ℃ | 1 | ||
| DC Blocking Voltage | VR | 40 | V | Ta = 25 ℃ | 1 | ||
| RMS Reverse Voltage | VR(RMS) | 28 | V | Ta = 25 ℃ | 1 | ||
| Forward Continuous Current | IFM | 350 | mA | Ta = 25 ℃ | 1 | ||
| Non-Repetitive Peak Forward Surge Current | IFSM | 2 | A | @t=8..3ms | 1 | ||
| Power Dissipation | PD | 200 | mW | Ta = 25 ℃ | 1 | ||
| Junction Temperature | TJ | 125 | ℃ | Ta = 25 ℃ | 1 | ||
| Storage Temperature | TSTG | -55 | 150 | ℃ | Ta = 25 ℃ | 1 | |
| Thermal Resistance From Junction To Ambient | RθJA | 625 | ℃/W | Ta = 25 ℃ | 1 | ||
| Typical Reverse Recovery Time | trr | 10 | ns | IF = IR =200mA, Irr=0.1*IR, RL = 100Ω | 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:
KSDM20U40 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
ksdm20u40-etched.step/ksdm20u40-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ksdm20u40.step/ksdm20u40.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (3 pp, sha256
9575eadbd518bf62, retrieved 2026-10-23, 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).