component
P4SMA47CAHE3_A
Public Made by Adomby adom
Vishay Intertech ESD And Surge Protection (TVS/ESD), SMA(DO-214AC). 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
markdownP4SMA47CAHE3_A
Vishay Intertech · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
P4SMA47CAHE3_A from Vishay Intertech, in a SMA(DO-214AC). 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 | SMA(DO-214AC) |
| 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 VBR at IT (minimum) | VBR | 44.7 | V | at IT = 1.0 mA; 47A row, applies to bi-directional 47CA | 2 | ||
| Breakdown voltage VBR at IT (maximum) | VBR | 49.4 | V | at IT = 1.0 mA; 47A row, applies to bi-directional 47CA | 2 | ||
| Stand-off voltage VWM | VWM | 40.2 | V | stand-off (working) voltage as printed in the 47A row | 2 | ||
| Maximum reverse leakage at VWM | ID | 1 | µA | at VWM (40.2 V) | 2 | ||
| Maximum peak pulse current | IPPM | 6.2 | A | surge waveform per fig. 3, see note (2) | 2 | ||
| Maximum clamping voltage | VC | 64.8 | V | at IPPM | 2 | ||
| Maximum temperature coefficient of VBR | 0.101 | %/°C | 2 | ||||
| Peak pulse power dissipation | PPPM | 400 | W | 10/1000 µs waveform, fig. 1; 300 W applies only above 91 V | 1 | ||
| Power dissipation on infinite heatsink | PD | 3.3 | W | infinite heatsink at TA = 50 °C | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -65 | 150 | °C | operating junction and storage temperature range | 1 | |
| Typical thermal resistance, junction to ambient air | RθJA | 120 | °C/W | mounted on minimum recommended pad layout | 3 | ||
| Typical thermal resistance, junction to lead | RθJL | 30 | °C/W | 3 |
CAD (KiCad official)
- Symbol:
P4SMA47CAHE3_A - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
p4sma47cahe3-a-etched.step/p4sma47cahe3-a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p4sma47cahe3-a.step/p4sma47cahe3-a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (6 pp, sha256
63e69aece4f8bff0, retrieved 2026-10-14, 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).