SMA6J33A
Public Made by Adomby adom
Littelfuse ESD And Surge Protection (TVS/ESD), DO-214AC(SMA). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
| Name | Last updated |
|---|---|
| docs | 12d ago |
| viewers | 3d ago |
| package.json | 12d ago |
| page.json | 12d ago |
| README.md | 12d ago |
| sma6j33a-etched.glb | 12d ago |
| sma6j33a-etched.step | 12d ago |
| sma6j33a-hero.glb | 12d ago |
| sma6j33a-hero.overlay.json | 12d ago |
| sma6j33a.glb | 12d ago |
| sma6j33a.kicad_mod | 12d ago |
| sma6j33a.kicad_sym | 3d ago |
| sma6j33a.lbr | 3d ago |
| sma6j33a.step | 12d ago |
SMA6J33A
Littelfuse · ESD And Surge Protection (TVS/ESD) · DO-214AC(SMA)
SMA6J33A from Littelfuse, in a DO-214AC(SMA). 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-214AC(SMA) |
| 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 MIN | VBR | 36.7 | V | @ IT 1 mA | 2 | ||
| Breakdown Voltage MAX | VBR | 40.6 | V | @ IT 1 mA | 2 | ||
| Maximum Clamping Voltage | VC | 53.3 | V | @ Ipp 11.8 A | 2 | ||
| Maximum Reverse Leakage Current | IR | 1 | µA | @ VR 33 V | 2 | ||
| Reverse Stand-off Voltage | VR | 33 | V | Maximum voltage that can be applied to the TVS without operation | 2 | ||
| Maximum Peak Pulse Current | Ipp | 11.8 | A | Paired with VC | 2 | ||
| Peak Pulse Power Dissipation | PPPM | 600 | W | 10/1000µs waveform (Fig.2), Notes 1, 2 | 1 | ||
| Power Dissipation on Infinite Heat Sink | PD | 3.3 | W | TL=50°C | 1 | ||
| Peak Forward Surge Current | IFSM | 60 | A | 8.3ms single half sine wave (Note 3) | 1 | ||
| Maximum Instantaneous Forward Voltage | VF | 3.5 | V | at 25A, unidirectional only | 1 | ||
| Operating Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 175 | °C | 1 | ||
| Temperature Coefficient of VBR | αT | 0.1 | % | VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)), typical value | 1 | ||
| Typical Thermal Resistance Junction to Lead | RθJL | 30 | °C/W | 1 | |||
| Typical Thermal Resistance Junction to Ambient | RθJA | 120 | °C/W | 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 • Pb-free E3 means 2nd level | 1 |
CAD (KiCad official)
- Symbol:
SMA6J33A - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
sma6j33a-etched.step/sma6j33a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sma6j33a.step/sma6j33a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
ea8185a7ca141b55, retrieved 2026-10-26, 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).