component
SMBJ43CA
Public Made by Adomby adom
HXY MOSFET TVS, SMB(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
markdownSMBJ43CA
HXY MOSFET · TVS · SMB(DO-214AA)
SMBJ43CA from HXY MOSFET, in a SMB(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 | 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 | HXY MOSFET |
| Package | SMB(DO-214AA) |
| 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, SMBJ43CA) | VBR | 47.8 | 52.8 | V | IT = 1 mA | 2 | |
| Maximum clamping voltage | VC | 69.4 | V | @ IPP = 8.7 A, 10/1000 us waveform | 2 | ||
| Reverse leakage current | IR | 1 | uA | @ VRWM = 43 V | 2 | ||
| Peak pulse current | IPPM | 8.7 | A | 10/1000 us waveform (Note 1, Fig.3); per-part value for SMBJ43CA | 1 | ||
| Peak pulse power dissipation | PPPM | 600 | W | 10/1000 us waveform (Note 1, Note 2, Fig.1) | 1 | ||
| Steady state power dissipation | PM(AV) | 5 | W | TA = 50 C (Fig.5) | 1 | ||
| Peak forward surge current | IFSM | 100 | A | 8.3 ms single half sine-wave, superimposed on rated load, JEDEC Method (Note 3, Fig.6) | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -65 | 150 | C | 1 | ||
| Reverse stand-off voltage | VRWM | 43 | V | 2 | |||
| Typical thermal resistance junction to lead | RthJL | 20 | C/W | 1 | |||
| Typical thermal resistance junction to ambient | RthJA | 100 | 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 | copper | 2. Mounted on 5.0mm×5.0mm (0.03mm thick) copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMBJ43CA - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
smbj43ca-etched.step/smbj43ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj43ca.step/smbj43ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HXY MOSFET datasheet (6 pp, sha256
7d02332685fc0b13, 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).