component
SMCJ28CAHE3_A
Public Made by Adomby adom
Vishay Intertech ESD And Surge Protection (TVS/ESD), DO-214AB(SMCJ). 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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README
markdownSMCJ28CAHE3_A
Vishay Intertech · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMCJ)
SMCJ28CAHE3_A from Vishay Intertech, in a DO-214AB(SMCJ). 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 | Vishay Intertech |
| Package | DO-214AB(SMCJ) |
| 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 (bi-directional, SMCJ28CA row) | VBR | 31.1 | 34.4 | V | IT = 1.0 mA | 2 | |
| Maximum reverse leakage at stand-off voltage | ID | 1 | µA | at VWM | 2 | ||
| Maximum peak pulse surge current | IPPM | 33 | A | surge waveform per fig. 3 and derate per fig. 2 (note 2) | 2 | ||
| Maximum clamping voltage at IPPM | VC | 45.4 | V | at IPPM | 2 | ||
| Peak pulse power dissipation | PPPM | 1500 | W | 10/1000 µs waveform (notes 1, 2) | 1 | ||
| Power dissipation | PD | 6.5 | W | on infinite heatsink, TA = 50 °C | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Typical thermal resistance, junction to ambient air | RθJA | 75 | °C/W | mounted on minimum recommended pad layout (note 1) | 3 | ||
| Typical thermal resistance, junction to lead | RθJL | 15 | °C/W | 3 |
CAD (KiCad official)
- Symbol:
SMCJ28CAHE3_A - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMCJ) (KiCad packages3D, STEP)
- 3D model files:
smcj28cahe3-a-etched.step/smcj28cahe3-a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smcj28cahe3-a.step/smcj28cahe3-a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (5 pp, sha256
7d7eb2c7682a066e, 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).