component
SD36
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MDD Microdiode Semiconductor ESD And Surge Protection (TVS/ESD), 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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SD36
MDD Microdiode Semiconductor · ESD And Surge Protection (TVS/ESD) · SOD-323
SD36 from MDD Microdiode Semiconductor, 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 | MDD Microdiode Semiconductor |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse stand-off (working) voltage | VRWM | 36 | V | 2 | |||
| Breakdown voltage | VB | 40 | V | IT = 1 mA | 2 | ||
| Clamping voltage | VC | 60 | V | @ 1 A | 2 | ||
| Clamping voltage | VC | 75 | V | @ 5 A | 2 | ||
| Reverse leakage current | IR | 1 | µA | 2 | |||
| Capacitance | CT | 60 | pF | 2 | |||
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | 30 | kV | TA=25°C | 1 | |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 | 30 | kV | TA=25°C | 1 | |
| Peak Pulse Power | PPP | 350 | W | tp=8/20us waveform | 1 | ||
| Operating Temperature | TOPT | -55 | 150 | °C | 1 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 1 | ||
| Lead Solder Temperature, Maximum | TL | 260 | °C | 10 sec. duration | 1 | ||
| Test current | IT | 1 | mA | 2 |
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 | Terminal: Matte tin plated. http://www.microdiode.com Page :2 | 1 |
CAD (KiCad official)
- Symbol:
SD36 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
sd36-etched.step/sd36-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sd36.step/sd36.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDD Microdiode Semiconductor datasheet (4 pp, sha256
10c3d65b4326cef2, 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).
# SD36
**MDD Microdiode Semiconductor** · ESD And Surge Protection (TVS/ESD) · SOD-323
SD36 from MDD Microdiode Semiconductor, 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 | MDD Microdiode Semiconductor |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse stand-off (working) voltage | VRWM | | | 36 | V | | 2 |
| Breakdown voltage | VB | 40 | | | V | IT = 1 mA | 2 |
| Clamping voltage | VC | | | 60 | V | @ 1 A | 2 |
| Clamping voltage | VC | | | 75 | V | @ 5 A | 2 |
| Reverse leakage current | IR | | | 1 | µA | | 2 |
| Capacitance | CT | | | 60 | pF | | 2 |
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | | 30 | kV | TA=25°C | 1 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 | | 30 | kV | TA=25°C | 1 |
| Peak Pulse Power | PPP | | | 350 | W | tp=8/20us waveform | 1 |
| Operating Temperature | TOPT | -55 | | 150 | °C | | 1 |
| Storage Temperature | TSTG | -55 | | 150 | °C | | 1 |
| Lead Solder Temperature, Maximum | TL | | | 260 | °C | 10 sec. duration | 1 |
| Test current | IT | | 1 | | mA | | 2 |
## 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 | Terminal: Matte tin plated. http://www.microdiode.com Page :2 | 1 |
## CAD (KiCad official)
- Symbol: `SD36`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `sd36-etched.step` / `sd36-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sd36.step` / `sd36.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MDD Microdiode Semiconductor datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8565978324028981248) (4 pp, sha256 `10c3d65b4326cef2`, 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/sd36-datasheet.pdf)