SMC30J22A
Public Made by Adomby adom
STMicroelectronics Electrostatic And Surge Protection (TVS/ESD), SMC. 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
markdownSMC30J22A
STMicroelectronics · Electrostatic And Surge Protection (TVS/ESD) · SMC
SMC30J22A from STMicroelectronics, in a SMC. 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 | 1 | passive | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SMC |
| Category | TVS/Fuse/Board Level 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 | VBR | 24.4 | 25.7 | 27 | V | IBR = 1 mA | 3 |
| Reverse leakage current at 25 °C | IRM | 0.2 | µA | VRM = 22 V, 25 °C | 3 | ||
| Reverse leakage current at 85 °C | IRM | 1 | µA | VRM = 22 V, 85 °C | 3 | ||
| Clamping voltage 10/1000 µs | VCL | 35.5 | V | 10/1000 µs | 3 | ||
| Peak pulse current 10/1000 µs | IPP | 85 | A | 10/1000 µs | 3 | ||
| Dynamic resistance 10/1000 µs | RD | 100 | mΩ | 10/1000 µs | 3 | ||
| Clamping voltage 8/20 µs | VCL | 48.3 | V | 8/20 µs | 3 | ||
| Peak pulse current 8/20 µs | IPP | 701 | A | 8/20 µs | 3 | ||
| Dynamic resistance 8/20 µs | RD | 30.4 | mΩ | 8/20 µs | 3 | ||
| Temperature coefficient of VBR | αT | 9.6 | 10-4/°C | 3 | |||
| Peak pulse voltage (contact discharge) | VPP | -30 | 30 | kV | IEC 61000-4-2 (C = 150 pF, R = 330 Ω), contact discharge | 2 | |
| Peak pulse voltage (air discharge) | VPP | -30 | 30 | kV | IEC 61000-4-2 (C = 150 pF, R = 330 Ω), air discharge | 2 | |
| Peak pulse power dissipation | PPP | 3000 | W | Tj initial = Tamb | 2 | ||
| Storage temperature range | Tstg | -65 | 175 | °C | 2 | ||
| Operating junction temperature range | Tj | -55 | 175 | °C | 2 | ||
| Maximum lead temperature for soldering | TL | 260 | °C | during 10 s | 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 | tin | • Lead finishing: matte tin plating Complies with the following standards | 1 |
CAD (KiCad official)
- Symbol:
SMC30J22A - Footprint:
Diode_SMD:D_SMC - 3D model: SMC (KiCad packages3D, STEP)
- 3D model files:
smc30j22a-etched.step/smc30j22a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smc30j22a.step/smc30j22a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (12 pp, sha256
50a6114d0378ebfe, retrieved 2026-10-28, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).