component
8.0SMDJ33CA
Public Made by Adomby adom
amsem ESD And Surge Protection (TVS/ESD), 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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Contents
README
markdown8.0SMDJ33CA
amsem · ESD And Surge Protection (TVS/ESD) · DO-214AB
8.0SMDJ33CA from amsem, in a 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 | amsem |
| Package | 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 | VBR | 36.7 | 40.6 | V | @ IT = 1 mA | 2 | |
| Reverse Leakage Current | IR | 5 | µA | @ VR = 33 V | 2 | ||
| Maximum Clamping Voltage (10/1000µs) | VC | 53.3 | V | @ Ipp (10/1000µs) | 2 | ||
| Maximum Peak Pulse Current (10/1000µs) | Ipp | 150.1 | A | 10/1000µs waveform | 2 | ||
| Maximum Clamping Voltage (8/20µs) | VC | 68.9 | V | @ Ipp (8/20µs) | 2 | ||
| Maximum Peak Pulse Current (8/20µs) | Ipp | 975.7 | A | 8/20µs waveform | 2 | ||
| Peak Pulse Power Dissipation | PPPM | 8000 | W | TL=25°C, 10/1000µs waveform (Fig.2) (Note 1, Note 2) | 1 | ||
| Power Dissipation on Infinite Heat Sink | PD | 6.5 | W | TL=50°C | 1 | ||
| Peak Forward Surge Current | IFSM | 300 | A | 8.3ms single half sine wave (Note 3) | 1 | ||
| Operating Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 175 | °C | 1 | ||
| Thermal Resistance Junction to Lead | RθJL | 15 | °C/W | Typical | 1 | ||
| Thermal Resistance Junction to Ambient | RθJA | 75 | °C/W | Typical | 1 | ||
| Breakdown Voltage Temperature Coefficient | αT | 0.1 | % | VBR@TJ = VBR@25°C × (1+αT × (TJ − 25)) | 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:
8.0SMDJ33CA - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB (KiCad packages3D, STEP)
- 3D model files:
8-0smdj33ca-etched.step/8-0smdj33ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);8-0smdj33ca.step/8-0smdj33ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: amsem datasheet (6 pp, sha256
ebaba6fa2031c9ad, retrieved 2026-10-16, 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).