SMBJ3.3CA
Public Made by Adomby adom
hongjiacheng Electrostatic And Surge Protection (TVS/ESD), DO-214AA(SMB). 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 | 19d ago |
| viewers | 19d ago |
| package.json | 19d ago |
| page.json | 19d ago |
| README.md | 19d ago |
| smbj3-3ca-etched.glb | 19d ago |
| smbj3-3ca-etched.step | 19d ago |
| smbj3-3ca-hero.glb | 19d ago |
| smbj3-3ca-hero.overlay.json | 19d ago |
| smbj3-3ca.glb | 19d ago |
| smbj3-3ca.kicad_mod | 19d ago |
| smbj3-3ca.kicad_sym | 11d ago |
| smbj3-3ca.lbr | 11d ago |
| smbj3-3ca.step | 19d ago |
SMBJ3.3CA
hongjiacheng · Electrostatic And Surge Protection (TVS/ESD) · DO-214AA(SMB)
SMBJ3.3CA from hongjiacheng, in a DO-214AA(SMB). 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 | 1 | passive | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| Package | DO-214AA(SMB) |
| Category | TVS/Fuse/Board Level 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 (bidirectional), min | VBR | 5.2 | V | IT = 10 mA | 2 | ||
| Breakdown voltage (bidirectional), max | VBR | 6.5 | V | IT = 10 mA | 2 | ||
| Maximum clamping voltage | VC | 8 | V | @IPP 75.00 A | 2 | ||
| Reverse leakage current | IR | 600 | μA | @VRWM 3.3 V | 2 | ||
| Peak pulse power dissipation | PPPM | 600 | W | 10/1000µs waveform (Fig.1)(Note 1), (Note 2) | 1 | ||
| Power dissipation on infinite heat sink | PM(AV) | 5 | W | TL=75° C | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | ℃ | 1 | ||
| Maximum temperature coefficient of VBR | ΔVBR | 0.1 | %×VBR@25℃×ΔT | Typical maximum, per ΔT | 1 | ||
| Reverse stand-off voltage (bidirectional) | VRWM | 3.3 | V | Bidirectional SMBJ3.3CA | 2 | ||
| Typical thermal resistance junction to lead | RθJ-L | 20 | ℃ /W | 1 | |||
| Typical thermal resistance junction to ambient | RθJ-A | 100 | ℃ /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 •Halogen free and RoHS compliant | 1 |
CAD (KiCad official)
- Symbol:
SMBJ3.3CA - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files:
smbj3-3ca-etched.step/smbj3-3ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj3-3ca.step/smbj3-3ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: hongjiacheng datasheet (5 pp, sha256
3a3b185ee9f21932, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).