component
MMSZ5231C-TP
Public Made by Adomby adom
MCC(Micro Commercial Components) Zener Diodes, SOD-123. 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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README
markdownMMSZ5231C-TP
MCC(Micro Commercial Components) · Zener Diodes · SOD-123
MMSZ5231C-TP from MCC(Micro Commercial Components), in a SOD-123. 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 | MCC(Micro Commercial Components) |
| Package | SOD-123 |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener Voltage tolerance (C suffix) | VZ | -2 | 2 | % | Suffix C is ± 2% tolerance | 3 | |
| Nominal Zener Voltage | VZ | 5.1 | V | @ IZT = 20 mA | 3 | ||
| Test Current | IZT | 20 | mA | 3 | |||
| Maximum Zener Impedance | ZZT | 17 | Ω | @ IZT = 20 mA | 3 | ||
| Maximum Zener Impedance (knee) | ZZK | 1600 | Ω | @ IZK = 0.25 mA | 3 | ||
| Maximum Reverse Leakage Current | IR | 5 | µA | @ VR = 2.0 V | 3 | ||
| Zener Voltage Temperature Coefficient | -0.03 | 0.03 | %/°C | 3 | |||
| Maximum Forward Voltage | VF | 0.9 | V | IF=10mA | 1 | ||
| Power Dissipation | PD | 500 | mW | Note 3 | 1 | ||
| Operating Junction Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 1 | ||
| Thermal Resistance Junction to Ambient | RθJA | 340 | °C/W | On FR-4 Board With Minimum Recommended Solder Pad Layout | 1 |
CAD (KiCad official)
- Symbol:
MMSZ5231C-TP - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
mmsz5231c-tp-etched.step/mmsz5231c-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmsz5231c-tp.step/mmsz5231c-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MCC(Micro Commercial Components) datasheet (5 pp, sha256
7043fb045e15cb0a, retrieved 2026-10-22, 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).