component
MMSZ5242B
Public Made by Adomby adom
hongjiacheng Zener Diodes, SOD-123. 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
markdownMMSZ5242B
hongjiacheng · Zener Diodes · SOD-123
MMSZ5242B from hongjiacheng, in a SOD-123. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Cathode | passive | Cathode terminal marked with stripe on package body; zener diode regulation voltage 12.0V nominal with maximum dynamic impedance 30Ω; maximum reverse leakage current 1.0μA at 9.1V reverse voltage rating. |
| 2 | Anode | passive | Anode terminal; forward voltage drop 0.9V at 10mA forward current; maximum 20mA forward current rating. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| Package | SOD-123 |
| Category | Diodes |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
MMSZ5242B - Footprint:
Diode_SMD:D_SOD-123 - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
mmsz5242b-etched.step/mmsz5242b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmsz5242b.step/mmsz5242b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: hongjiacheng datasheet (5 pp, sha256
fec00843f279bccf, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).