SMAJ26CAHM2G
Public Made by Adomby adom
Taiwan Semiconductor ESD And Surge Protection (TVS/ESD), DO-214AC(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
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Symbol & Footprint
Schematic Symbol
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README
markdownSMAJ26CAHM2G
Taiwan Semiconductor · ESD And Surge Protection (TVS/ESD) · DO-214AC(SMA)
SMAJ26CAHM2G from Taiwan Semiconductor, in a DO-214AC(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 | Taiwan Semiconductor |
| Package | DO-214AC(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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (min) | VBR | 28.9 | V | IT = 1 mA | 2 | ||
| Breakdown voltage (max) | VBR | 31.9 | V | IT = 1 mA | 2 | ||
| Maximum reverse leakage current | IR | 1 | µA | at VWM = 26 V | 2 | ||
| Maximum peak impulse current | IPPM | 9.5 | A | Non-repetitive current pulse, per Fig.5 | 2 | ||
| Maximum clamping voltage | VC | 42.1 | V | at IPPM | 2 | ||
| Peak power dissipation | PPK | 400 | W | TA = 25°C, tp = 1ms (Note 1) | 1 | ||
| Steady state power dissipation | PD | 1 | W | 1 | |||
| Peak forward surge current | IFSM | 40 | A | 8.3ms single half sine-wave, superimposed on rated load | 1 | ||
| Operating junction temperature range (min) | TJ | -55 | °C | 1 | |||
| Operating junction temperature range (max) | TJ | 150 | °C | 1 | |||
| Storage temperature range (min) | TSTG | -55 | °C | 1 | |||
| Storage temperature range (max) | TSTG | 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 | ● Terminal: Matte tin plated leads, solderable per J-STD002 ● Meet JESD 201 class 2 whisker test | 1 |
CAD (KiCad official)
- Symbol:
SMAJ26CAHM2G - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
smaj26cahm2g-etched.step/smaj26cahm2g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj26cahm2g.step/smaj26cahm2g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Taiwan Semiconductor datasheet (7 pp, sha256
bfd3022d45c69022, retrieved 2026-10-21, 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).