component
MMSZ5227B_R1_00001
Public Made by Adomby adom
PANJIT International 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
markdownMMSZ5227B_R1_00001
PANJIT International · Zener Diodes · SOD-123
MMSZ5227B_R1_00001 from PANJIT International, 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 | Cathode | passive | Cathode terminal of the Zener diode in the SOD-123 package, labeled as pin 1 in the datasheet pin diagram. |
| 2 | Anode | passive | Anode terminal of the Zener diode in the SOD-123 package, labeled as pin 2 in the datasheet pin diagram. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal Zener Voltage (MMSZ5227B, Nom.) | VZ | 3.42 | 3.6 | 3.78 | V | IZ = 20 mA | 2 |
| Max Zener Impedance (at IZT) | ZZT | 24 | Ω | IZT = 20 mA | 2 | ||
| Max Zener Impedance (at IZK) | ZZK | 1700 | Ω | IZK = 0.25 mA | 2 | ||
| Max Reverse Leakage Current | IR | 15 | µA | VR = 1 V | 2 | ||
| Total Power Dissipation | PD | 500 | mW | Notes A: mounted on 100 cm² copper areas (1 mm thick) | 1 | ||
| Operating Junction and Storage Temperature Range | TJ | -55 | 150 | OC | 1 | ||
| Typical Thermal Resistance, junction to ambient (Notes B) | RθJA | 430 | OC/W | Notes B: mounted on FR4 PCB, single-sided copper, mini pad | 1 | ||
| Typical Thermal Resistance, junction to ambient (Notes A) | RθJA | 325 | OC/W | Notes A: mounted on 100 cm² copper areas (1 mm thick) | 1 |
CAD (KiCad official)
- Symbol:
MMSZ5227B_R1_00001 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
mmsz5227b-r1-00001-etched.step/mmsz5227b-r1-00001-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmsz5227b-r1-00001.step/mmsz5227b-r1-00001.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PANJIT International datasheet (6 pp, sha256
9961cd1c3a1662b0, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).