component
SMBJ20CA-E3
Public Made by Adomby adom
Vishay Intertech ESD And Surge Protection (TVS/ESD), SMB(DO-214AA). 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
markdownSMBJ20CA-E3
Vishay Intertech · ESD And Surge Protection (TVS/ESD) · SMB(DO-214AA)
SMBJ20CA-E3 from Vishay Intertech, in a SMB(DO-214AA). 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 | SMB(DO-214AA) |
| 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 SMBJ20CA, from SMBJ20A row) | VBR | 22.2 | 24.5 | V | at IT = 1.0 mA test current | 2 | |
| Maximum reverse leakage at VWM | ID | 1 | µA | at VWM = 20 V | 2 | ||
| Maximum peak pulse surge current | IPPM | 18.5 | A | Note (2): surge current waveform per fig. 3 and derate per fig. 2 | 2 | ||
| Maximum clamping voltage at IPPM | VC | 32.4 | V | at IPPM | 2 | ||
| Peak pulse power dissipation | PPPM | 600 | W | 10/1000 µs waveform, notes (1)(2), fig. 1; TA = 25 °C unless otherwise noted | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | TA = 25 °C unless otherwise noted | 1 | |
| Typical thermal resistance, junction to ambient | RθJA | 100 | °C/W | Mounted on minimum recommended pad layout, note (1) | 3 | ||
| Typical thermal resistance, junction to lead | RθJL | 20 | °C/W | 3 |
CAD (KiCad official)
- Symbol:
SMBJ20CA-E3 - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
smbj20ca-e3-etched.step/smbj20ca-e3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj20ca-e3.step/smbj20ca-e3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (5 pp, sha256
dee89869abdee006, 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).