component
SMBJ440CA
Public Made by Adomby adom
hongjiacheng ESD And Surge Protection (TVS/ESD), SMB(DO-214AA). Pinout cross-checked by two models against the datasheet, 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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README
markdownSMBJ440CA
hongjiacheng · ESD And Surge Protection (TVS/ESD) · SMB(DO-214AA)
SMBJ440CA from hongjiacheng, 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 | A1 | passive | Bidirectional TVS terminal (no cathode band on bidirectional parts, interchangeable with the other terminal) with VRWM 440 V, VBR 492-543 V at 1 mA and maximum clamping voltage 713 V at IPP 0.84 A. |
| 2 | A2 | passive | Bidirectional TVS terminal (no cathode band on bidirectional parts, interchangeable with the other terminal) with VRWM 440 V, VBR 492-543 V at 1 mA and maximum clamping voltage 713 V at IPP 0.84 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| Package | SMB(DO-214AA) |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
SMBJ440CA - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
smbj440ca-etched.step/smbj440ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj440ca.step/smbj440ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: hongjiacheng datasheet (5 pp, sha256
3a3b185ee9f21932, retrieved 2026-10-12, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).