component
SM15T33CA-E3
Public Made by Adomby adom
Vishay Intertech ESD And Surge Protection (TVS/ESD), SMC(DO-214AB). 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
markdownSM15T33CA-E3
Vishay Intertech · ESD And Surge Protection (TVS/ESD) · SMC(DO-214AB)
SM15T33CA-E3 from Vishay Intertech, in a SMC(DO-214AB). 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 | SMC(DO-214AB) |
| 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 (minimum) | VBR | 31.4 | V | at IT = 1.0 mA; VBR measured after IT applied for 300 us square wave pulse | 2 | ||
| Breakdown voltage (maximum) | VBR | 34.7 | V | at IT = 1.0 mA; VBR measured after IT applied for 300 us square wave pulse | 2 | ||
| Temperature coefficient of VBR (maximum) | αT | 9.8 | 10-4/°C | 2 | |||
| Peak pulse power | PPPM | 1500 | W | 10/1000 us waveform (fig. 1), non-repetitive current pulse | 1 | ||
| Power dissipation on infinite heatsink | PD | 6.5 | W | at TA = 50 °C | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -65 | 150 | °C | 1 | ||
| Stand-off voltage | VRM | 28.2 | V | as printed in table (single value, no min/max label) | 2 | ||
| Leakage current at VRM | IRM | 1 | μA | at VRM | 2 | ||
| Clamping voltage at IPPM (10/1000 us) | VC | 45.7 | V | at IPPM = 33.0 A, 10/1000 us waveform | 2 | ||
| Clamping voltage at IPPM (8/20 us) | VC | 59 | V | at IPPM = 169 A, 8/20 us waveform | 2 | ||
| Typical thermal resistance, junction to ambient air | RθJA | 75 | °C/W | mounted on minimum recommended pad layout | 2 | ||
| Typical thermal resistance, junction to lead | RθJL | 15 | °C/W | 2 |
CAD (KiCad official)
- Symbol:
SM15T33CA-E3 - Footprint:
Diode_SMD:D_SMC - 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
- 3D model files:
sm15t33ca-e3-etched.step/sm15t33ca-e3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sm15t33ca-e3.step/sm15t33ca-e3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (5 pp, sha256
c1a7dafa6e87a367, 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).