component
KSMF28A-E3-08
Public Made by Adomby adom
KUU TVS, SOD-123FL. 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
markdownKSMF28A-E3-08
KUU · TVS · SOD-123FL
KSMF28A-E3-08 from KUU, in a SOD-123FL. 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 SOD-123FL package, listed in the datasheet PINNING table as pin 1. |
| 2 | Anode | passive | Anode terminal of the SOD-123FL package, listed in the datasheet PINNING table as pin 2. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KUU |
| Package | SOD-123FL |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power Dissipation | PPPM | 200 | W | TA=25°C, 10/1000 µs waveform (Note 1,2,5, Fig 1) | 1 | ||
| Peak Forward Surge Current (UNI) | IFSM | 20 | A | 8.3 ms single half sinewave (Note 3) | 1 | ||
| Steady State Power Dissipation | PM(AV) | 1 | W | Note 4, lead temperature TL=75°C | 1 | ||
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | 150 | °C | 1 | ||
| Breakdown Voltage | VBR | 31.1 | 34.4 | V | @ IT = 1 mA (KSMF28A row) | 2 | |
| Maximum Clamp Voltage | VC | 45.4 | V | @ IPP = 4.4 A | 2 | ||
| Reverse Leakage Current | IR | 1 | μA | @ VRWM = 28 V | 2 | ||
| Peak Pulse Current | IPP | 4.4 | A | 10/1000 µs waveform (Table 1 IPP column, KSMF28A row) | 2 | ||
| Typical Thermal Resistance Junction to Ambient | RθJA | 180 | °C | Typical value as printed | 1 | ||
| Reverse Stand-Off Voltage | VRWM | 28 | V | Note 6: select device with VRWM equal to or greater than DC or continuous peak operating voltage | 2 |
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 | copper | 2. Mounted on 5mm copper pads to each terminal | 1 |
CAD (KiCad official)
- Symbol:
KSMF28A-E3-08 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
ksmf28a-e3-08-etched.step/ksmf28a-e3-08-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ksmf28a-e3-08.step/ksmf28a-e3-08.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (4 pp, sha256
601ec5d506c70536, retrieved 2026-10-30, 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).