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MM3Z20
Public Made by Adomby adom
Shikues Zener Diodes, SOD-323. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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MM3Z20
Shikues · Zener Diodes · SOD-323
MM3Z20 from Shikues, in a SOD-323. 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 | Shikues |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Power Dissipation | Ptot | 300 | mW | TA=25℃ | 1 | ||
| Forward Voltage | VF | 0.9 | V | IF=10mA, TA=25℃ | 1 | ||
| Typical Thermal Resistance Junction To Ambient | RθJA | 417 | ℃/W | P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper area pads | 1 | ||
| Operating and Storage Temperature Range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Zener Voltage | VZT | 18.8 | 20 | 21.2 | V | IZT=5mA, TA=25℃, pulses 20ms | 3 |
| Test Current | IZT | 5 | mA | TA=25℃ | 3 | ||
| Dynamic Impedance | ZZT | 50 | Ω | at IZT=5mA | 3 | ||
| Reverse Leakage Current | IR | 0.1 | uA | VR=15V | 3 |
CAD (KiCad official)
- Symbol:
MM3Z20 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
mm3z20-etched.step/mm3z20-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mm3z20.step/mm3z20.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shikues datasheet (5 pp, sha256
c7b65f501d07ad54, 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).
# MM3Z20
**Shikues** · Zener Diodes · SOD-323
MM3Z20 from Shikues, in a SOD-323. 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 | Shikues |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Power Dissipation | Ptot | | | 300 | mW | TA=25℃ | 1 |
| Forward Voltage | VF | | | 0.9 | V | IF=10mA, TA=25℃ | 1 |
| Typical Thermal Resistance Junction To Ambient | RθJA | | 417 | | ℃/W | P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper area pads | 1 |
| Operating and Storage Temperature Range | TJ,TSTG | -55 | | 150 | ℃ | | 1 |
| Zener Voltage | VZT | 18.8 | 20 | 21.2 | V | IZT=5mA, TA=25℃, pulses 20ms | 3 |
| Test Current | IZT | | 5 | | mA | TA=25℃ | 3 |
| Dynamic Impedance | ZZT | | | 50 | Ω | at IZT=5mA | 3 |
| Reverse Leakage Current | IR | | | 0.1 | uA | VR=15V | 3 |
## CAD (KiCad official)
- Symbol: `MM3Z20`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `mm3z20-etched.step` / `mm3z20-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mm3z20.step` / `mm3z20.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shikues datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757073812230029312) (5 pp, sha256 `c7b65f501d07ad54`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/mm3z20-datasheet.pdf)