component
MMSZ27VCW
Public Made by Adomby adom
Shenzhen Jinkaisheng Elec 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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MMSZ27VCW
Shenzhen Jinkaisheng Elec · Zener Diodes · SOD-123
MMSZ27VCW from Shenzhen Jinkaisheng Elec, 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 | Shenzhen Jinkaisheng Elec |
| 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 27 V, standard tolerance) | VZ | 25.65 | 27 | 28.35 | V | @ IZT = 2 mA; pulsed 10 ms | 2 |
| Zener voltage tolerance (C series) | -5 | 5 | % | Standard tolerance on nominal VZ (note 2) | 2 | ||
| Maximum zener test current (IZK) | IZK | 0.5 | mA | 2 | |||
| Reverse leakage current | IR | 0.045 | A | @ VR = 18.9 V (Max VR column); unit printed as (A), likely µA | 2 | ||
| Maximum reverse voltage | VR | 18.9 | V | 2 | |||
| Forward voltage | VF | 900 | mV | @ IF = 10 mA, all types | 2 | ||
| Power dissipation | PD | 500 | mW | 1 | |||
| Storage temperature range | TSTG | -65 | 150 | °C | 1 | ||
| Operating temperature range | TOPR | -65 | 150 | °C | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | Matte Tin(Sn) Lead Finish Band Indicates Cathode Electrical Characteristics TA = 25°C unless otherwise noted Green Product | 1 |
CAD (KiCad official)
- Symbol:
MMSZ27VCW - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
mmsz27vcw-etched.step/mmsz27vcw-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmsz27vcw.step/mmsz27vcw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen Jinkaisheng Elec datasheet (4 pp, sha256
21d70aa6b6195eaf, retrieved 2026-10-18, 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).
# MMSZ27VCW
**Shenzhen Jinkaisheng Elec** · Zener Diodes · SOD-123
MMSZ27VCW from Shenzhen Jinkaisheng Elec, 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 | Shenzhen Jinkaisheng Elec |
| 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 27 V, standard tolerance) | VZ | 25.65 | 27 | 28.35 | V | @ IZT = 2 mA; pulsed 10 ms | 2 |
| Zener voltage tolerance (C series) | | -5 | | 5 | % | Standard tolerance on nominal VZ (note 2) | 2 |
| Maximum zener test current (IZK) | IZK | | | 0.5 | mA | | 2 |
| Reverse leakage current | IR | | | 0.045 | A | @ VR = 18.9 V (Max VR column); unit printed as (A), likely µA | 2 |
| Maximum reverse voltage | VR | | | 18.9 | V | | 2 |
| Forward voltage | VF | | | 900 | mV | @ IF = 10 mA, all types | 2 |
| Power dissipation | PD | | | 500 | mW | | 1 |
| Storage temperature range | TSTG | -65 | | 150 | °C | | 1 |
| Operating temperature range | TOPR | -65 | | 150 | °C | | 1 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | tin | Matte Tin(Sn) Lead Finish Band Indicates Cathode Electrical Characteristics TA = 25°C unless otherwise noted Green Product | 1 |
## CAD (KiCad official)
- Symbol: `MMSZ27VCW`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `mmsz27vcw-etched.step` / `mmsz27vcw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mmsz27vcw.step` / `mmsz27vcw.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shenzhen Jinkaisheng Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590227173551472640) (4 pp, sha256 `21d70aa6b6195eaf`, retrieved 2026-10-18, 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/mmsz27vcw-datasheet.pdf)