component
P6SMB33A
Public Made by Adomby adom
Littelfuse TVS, 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
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownP6SMB33A
Littelfuse · TVS · DO-214AA
P6SMB33A from Littelfuse, in a 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 | Littelfuse |
| Package | 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 VBR (minimum) | VBR | 31.4 | V | @ IT 1 mA | 2 | ||
| Breakdown voltage VBR (maximum) | VBR | 34.7 | V | @ IT 1 mA | 2 | ||
| Reverse stand-off voltage VR | VR | 28.2 | V | 2 | |||
| Maximum clamping voltage VC | VC | 45.7 | V | @ Ipp 13.3 A | 2 | ||
| Maximum peak pulse current Ipp | Ipp | 13.3 | A | 2 | |||
| Maximum reverse leakage current IR | IR | 1 | µA | @ VR | 2 | ||
| Maximum temperature coefficient of VBR | 0.094 | %/C | 2 | ||||
| VBR voltage tolerance (A suffix) | VBR | -5 | 5 | % | A suffix part; 5% VBR voltage tolerance per part numbering | 6 | |
| Peak pulse power dissipation | PPPM | 600 | W | 10/1000µs waveform (Fig.2) (Notes 1, 2, 5) | 1 | ||
| Power dissipation on infinite heat sink | PD | 5 | W | at TL = 50°C | 1 | ||
| Peak forward surge current | IFSM | 100 | A | 8.3ms single half sine wave (Note 3) | 1 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | at 50A, unidirectional only (single-die value; stacked-die is 5.0) | 1 | ||
| Operating temperature range | TJ | -65 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -65 | 175 | °C | 1 | ||
| Typical thermal resistance junction to lead | RθJL | 20 | °C/W | typical | 1 | ||
| Typical thermal resistance junction to ambient | RθJA | 100 | °C/W | typical | 1 |
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 | • Matte tin lead-free plated • Halogen free and RoHS | 1 |
CAD (KiCad official)
- Symbol:
P6SMB33A - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA (KiCad packages3D, STEP)
- 3D model files:
p6smb33a-etched.step/p6smb33a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p6smb33a.step/p6smb33a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
6fdb1703db94bec6, retrieved 2026-10-21, 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).