component
MM1Z2V4
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YONGYUTAI 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.
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MM1Z2V4
YONGYUTAI · Zener Diodes · SOD-123
MM1Z2V4 from YONGYUTAI, 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 | YONGYUTAI |
| 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 (nominal 2.4 V, MM1Z2V4) | Vz | 2.2 | 2.4 | 2.6 | V | @ Izt = 5 mA | 1 |
| Typical temperature coefficient of Zener voltage | IZTC | -3.5 | 0 | mV/℃ | Test current 5 mA | 1 | |
| Maximum Zener impedance | Zzt | 100 | Ω | @ Izt = 5 mA | 1 | ||
| Maximum Zener impedance (knee) | Zzk | 600 | Ω | @ Izk = 1.0 mA | 1 | ||
| Maximum reverse current | IR | 50 | uA | VR = 1.0 V | 1 | ||
| Power dissipation | Pd | 500 | mW | 1 | |||
| Storage temperature range | Ts | -65 | 150 | ℃ | 1 | ||
| Forward voltage | Vf | 0.9 | V | IF = 10 mA | 1 | ||
| Thermal resistance junction to ambient air | RthA | 400 | K/W | 1 |
CAD (KiCad official)
- Symbol:
MM1Z2V4 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
mm1z2v4-etched.step/mm1z2v4-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mm1z2v4.step/mm1z2v4.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: YONGYUTAI datasheet (5 pp, sha256
2f2dda4cfaf8be30, retrieved 2026-10-17, 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).
# MM1Z2V4
**YONGYUTAI** · Zener Diodes · SOD-123
MM1Z2V4 from YONGYUTAI, 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 | YONGYUTAI |
| 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 (nominal 2.4 V, MM1Z2V4) | Vz | 2.2 | 2.4 | 2.6 | V | @ Izt = 5 mA | 1 |
| Typical temperature coefficient of Zener voltage | IZTC | -3.5 | | 0 | mV/℃ | Test current 5 mA | 1 |
| Maximum Zener impedance | Zzt | | | 100 | Ω | @ Izt = 5 mA | 1 |
| Maximum Zener impedance (knee) | Zzk | | | 600 | Ω | @ Izk = 1.0 mA | 1 |
| Maximum reverse current | IR | | | 50 | uA | VR = 1.0 V | 1 |
| Power dissipation | Pd | | | 500 | mW | | 1 |
| Storage temperature range | Ts | -65 | | 150 | ℃ | | 1 |
| Forward voltage | Vf | | 0.9 | | V | IF = 10 mA | 1 |
| Thermal resistance junction to ambient air | RthA | | 400 | | K/W | | 1 |
## CAD (KiCad official)
- Symbol: `MM1Z2V4`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `mm1z2v4-etched.step` / `mm1z2v4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mm1z2v4.step` / `mm1z2v4.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [YONGYUTAI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590207009330540544) (5 pp, sha256 `2f2dda4cfaf8be30`, retrieved 2026-10-17, 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/mm1z2v4-datasheet.pdf)