component
ESD5Z24
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MDD（Microdiode Electronics） ESD Protection Devices, SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ESD5Z24
MDD（Microdiode Electronics） · ESD Protection Devices · SOD-523
ESD5Z24 from MDD（Microdiode Electronics）, in a SOD-523. 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 | 1 | passive | One terminal of the single-line ESD protection diode, rated for a 24 V reverse working voltage and ±15 kV air / ±8 kV contact ESD per IEC 61000-4-2 Level 4; the extracted text does not state whether this pin is the anode or cathode. |
| 2 | 2 | passive | Other terminal of the single-line ESD protection diode, rated for a 24 V reverse working voltage and ±15 kV air / ±8 kV contact ESD per IEC 61000-4-2 Level 4; the extracted text does not state whether this pin is the anode or cathode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDD（Microdiode Electronics） |
| Package | SOD-523 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| ESD per IEC 61000-4-2 (Air) | VESD | -15 | 15 | kV | ESD per IEC 61000-4-2 (Air) | 1 | |
| ESD per IEC 61000-4-2 (Contact) | VESD | -8 | 8 | kV | ESD per IEC 61000-4-2 (Contact) | 1 | |
| Total Power Dissipation on FR-5 Board | PD | 150 | mW | Ta=25°C, FR-5 board (Note 1) | 1 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 1 | ||
| Operating Temperature | TOPT | -55 | 125 | °C | 1 | ||
| Lead Solder Temperature - Maximum | TL | 260 | °C | 10 second duration | 1 | ||
| Reverse Working Voltage | VRWM | 24 | V | 2 | |||
| Reverse Breakdown Voltage | VBR | 26 | V | IT = 1mA | 2 | ||
| Reverse Leakage Current | IR | 5 | μA | VRWM = 24V | 2 | ||
| Clamping Voltage | VC | 35 | V | IPP = 1A, tp = 8/20μs | 2 | ||
| Junction Capacitance | CJ | 50 | pF | VR = 0V, f = 1MHz | 2 |
CAD (KiCad official)
- Symbol:
ESD5Z24 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
esd5z24-etched.step/esd5z24-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esd5z24.step/esd5z24.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDD（Microdiode Electronics） datasheet (4 pp, sha256
7fd2e17c294ee5a2, retrieved 2026-10-21, 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).
# ESD5Z24
**MDD（Microdiode Electronics）** · ESD Protection Devices · SOD-523
ESD5Z24 from MDD（Microdiode Electronics）, in a SOD-523. 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 | 1 | passive | One terminal of the single-line ESD protection diode, rated for a 24 V reverse working voltage and ±15 kV air / ±8 kV contact ESD per IEC 61000-4-2 Level 4; the extracted text does not state whether this pin is the anode or cathode. |
| 2 | 2 | passive | Other terminal of the single-line ESD protection diode, rated for a 24 V reverse working voltage and ±15 kV air / ±8 kV contact ESD per IEC 61000-4-2 Level 4; the extracted text does not state whether this pin is the anode or cathode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDD（Microdiode Electronics） |
| Package | SOD-523 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| ESD per IEC 61000-4-2 (Air) | VESD | -15 | | 15 | kV | ESD per IEC 61000-4-2 (Air) | 1 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -8 | | 8 | kV | ESD per IEC 61000-4-2 (Contact) | 1 |
| Total Power Dissipation on FR-5 Board | PD | | | 150 | mW | Ta=25°C, FR-5 board (Note 1) | 1 |
| Storage Temperature | TSTG | -55 | | 150 | °C | | 1 |
| Operating Temperature | TOPT | -55 | | 125 | °C | | 1 |
| Lead Solder Temperature - Maximum | TL | | | 260 | °C | 10 second duration | 1 |
| Reverse Working Voltage | VRWM | | 24 | | V | | 2 |
| Reverse Breakdown Voltage | VBR | | 26 | | V | IT = 1mA | 2 |
| Reverse Leakage Current | IR | | 5 | | μA | VRWM = 24V | 2 |
| Clamping Voltage | VC | | 35 | | V | IPP = 1A, tp = 8/20μs | 2 |
| Junction Capacitance | CJ | | 50 | | pF | VR = 0V, f = 1MHz | 2 |
## CAD (KiCad official)
- Symbol: `ESD5Z24`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `esd5z24-etched.step` / `esd5z24-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd5z24.step` / `esd5z24.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MDD（Microdiode Electronics） datasheet](docs/esd5z24-datasheet.pdf) (4 pp, sha256 `7fd2e17c294ee5a2`, retrieved 2026-10-21, 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/esd5z24-datasheet.pdf)