component
KSMAJ15A-E3
Public Made by Adomby adom
KUU ESD And Surge Protection (TVS/ESD), SMA. 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
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownKSMAJ15A-E3
KUU · ESD And Surge Protection (TVS/ESD) · SMA
KSMAJ15A-E3 from KUU, in a SMA. 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 | SMA |
| 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 |
|---|---|---|---|---|---|---|---|
| Minimum breakdown voltage (unidirectional, KSMAJ15A) | VBL | 16.7 | V | IT = 1 mA | 3 | ||
| Maximum breakdown voltage (unidirectional, KSMAJ15A) | VBH | 18.5 | V | IT = 1 mA | 3 | ||
| Reverse leakage current | IR | 1 | uA | @VRWM = 15 V | 3 | ||
| Maximum clamping voltage | VCH | 24.4 | V | @IPP = 16.4 A | 3 | ||
| Peak pulse current (KSMAJ15A table IPP value) | IPPM | 16.4 | A | 10/1000us waveform; IPP column of electrical characteristics table for KSMAJ15A | 3 | ||
| Peak pulse power dissipation | PPPM | 400 | W | 10/1000us waveform (Note1, Fig.1); printed as 'Minimum 400' | 1 | ||
| Steady state power dissipation | PM(AV) | 3.3 | W | TL = 75°C, lead lengths .375" (9.5mm) (Fig.5) | 1 | ||
| Peak forward surge current | IFSM | 40 | A | 8.3ms single half sine-wave superimposed on rated load, JEDEC method (Note 2, Fig.6) | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | ℃ | 1 | ||
| Reverse stand-off voltage (working voltage, KSMAJ15A) | VRWM | 15 | V | Reverse stand-off voltage, unidirectional KSMAJ15A | 3 |
CAD (KiCad official)
- Symbol:
KSMAJ15A-E3 - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
ksmaj15a-e3-etched.step/ksmaj15a-e3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ksmaj15a-e3.step/ksmaj15a-e3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (4 pp, sha256
f58346f6bb58acda, retrieved 2026-10-15, 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).