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MM1ZS5230BX
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Shenzhen JingYang Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MM1ZS5230BX
Shenzhen JingYang · Zener Diodes · SOD-123
MM1ZS5230BX from Shenzhen JingYang, 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, identified as pin 1 in the PINNING table on the datasheet's first page. |
| 2 | Anode | passive | Anode terminal of the Zener diode, identified as pin 2 in the PINNING table on the datasheet's first page. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen JingYang |
| 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 (min) at IZT | VZT | 4.47 | V | at IZT = 20 mA; pulsed (20 ms) | 2 | ||
| Zener voltage (max) at IZT | VZT | 4.94 | V | at IZT = 20 mA; pulsed (20 ms) | 2 | ||
| Dynamic impedance (max) at IZT | ZZT | 19 | Ω | at IZT = 20 mA; IZ(AC) = 0.1 IZ(DC), AC frequency = 1 kHz | 2 | ||
| Dynamic impedance (max) at IZK | ZZK | 1900 | Ω | at IZK = 0.25 mA; IZ(AC) = 0.1 IZ(DC), AC frequency = 1 kHz | 2 | ||
| Reverse current (max) | IR | 5 | µA | at VR = 2 V | 2 | ||
| Forward voltage (max) | VF | 0.9 | V | at IF = 10 mA | 1 | ||
| Tolerance on nominal zener voltage | -5 | 5 | % | Features list: tolerance approximately ±5% | 1 | ||
| Power dissipation (absolute maximum) | Ptot | 375 | mW | 1 | |||
| Junction temperature (absolute maximum) | Tj | 150 | ℃ | 1 | |||
| Storage temperature range | TStg | -55 | 150 | ℃ | 1 | ||
| Thermal resistance junction to ambient air | RθJA | 330 | ℃/W | junction to ambient air | 1 | ||
| Nominal zener voltage | Vznom | 4.7 | V | 2 |
CAD (KiCad official)
- Symbol:
MM1ZS5230BX - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
mm1zs5230bx-etched.step/mm1zs5230bx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mm1zs5230bx.step/mm1zs5230bx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen JingYang datasheet (4 pp, sha256
8122f42dd2f26a11, retrieved 2026-10-17, 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).
# MM1ZS5230BX
**Shenzhen JingYang** · Zener Diodes · SOD-123
MM1ZS5230BX from Shenzhen JingYang, 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, identified as pin 1 in the PINNING table on the datasheet's first page. |
| 2 | Anode | passive | Anode terminal of the Zener diode, identified as pin 2 in the PINNING table on the datasheet's first page. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen JingYang |
| 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 (min) at IZT | VZT | 4.47 | | | V | at IZT = 20 mA; pulsed (20 ms) | 2 |
| Zener voltage (max) at IZT | VZT | | | 4.94 | V | at IZT = 20 mA; pulsed (20 ms) | 2 |
| Dynamic impedance (max) at IZT | ZZT | | | 19 | Ω | at IZT = 20 mA; IZ(AC) = 0.1 IZ(DC), AC frequency = 1 kHz | 2 |
| Dynamic impedance (max) at IZK | ZZK | | | 1900 | Ω | at IZK = 0.25 mA; IZ(AC) = 0.1 IZ(DC), AC frequency = 1 kHz | 2 |
| Reverse current (max) | IR | | | 5 | µA | at VR = 2 V | 2 |
| Forward voltage (max) | VF | | | 0.9 | V | at IF = 10 mA | 1 |
| Tolerance on nominal zener voltage | | -5 | | 5 | % | Features list: tolerance approximately ±5% | 1 |
| Power dissipation (absolute maximum) | Ptot | | | 375 | mW | | 1 |
| Junction temperature (absolute maximum) | Tj | | | 150 | ℃ | | 1 |
| Storage temperature range | TStg | -55 | | 150 | ℃ | | 1 |
| Thermal resistance junction to ambient air | RθJA | | | 330 | ℃/W | junction to ambient air | 1 |
| Nominal zener voltage | Vznom | | 4.7 | | V | | 2 |
## CAD (KiCad official)
- Symbol: `MM1ZS5230BX`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `mm1zs5230bx-etched.step` / `mm1zs5230bx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mm1zs5230bx.step` / `mm1zs5230bx.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shenzhen JingYang datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603163678116368384) (4 pp, sha256 `8122f42dd2f26a11`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/mm1zs5230bx-datasheet.pdf)