component
MSESD5Z3.3C
Public Made by Adomby adom
MSKSEMI ESD Protection Devices, SOD-523. 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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MSESD5Z3.3C
MSKSEMI · ESD Protection Devices · SOD-523
MSESD5Z3.3C from MSKSEMI, 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOD-523 |
| Category | TVS/Fuse/Board Level 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 Working Peak Voltage | VRWM | 3.3 | V | 2 | |||
| Reverse Leakage Current | IR | 1 | uA | @ VRWM | 2 | ||
| Breakdown Voltage | VBR | 5.6 | V | @ IT = 1.0 mA | 2 | ||
| Clamping Voltage | VC | 11.6 | V | @ IPP=5 A | 2 | ||
| Clamping Voltage at Max IPP | VC | 18.6 | V | @ Max IPP | 2 | ||
| Maximum Peak Pulse Current | IPP | 9.4 | A | 2 | |||
| Peak Pulse Power | PPK | 174 | W | 2 | |||
| Capacitance | C | 25 | pF | 2 | |||
| Forward Voltage | VF | 0.9 | V | IF = 10mA | 2 | ||
| Peak Pulse Power | PPP | 200 | W | tp = 8/20μs | 2 | ||
| Maximum lead temperature for soldering | TL | 260 | °C | 10s | 2 | ||
| Storage Temperature Range | Tstg | -55 | 155 | °C | 2 | ||
| Operating Temperature Range | Top | -40 | 125 | °C | 2 | ||
| Maximum junction temperature | Tj | 150 | °C | 2 | |||
| IEC61000-4-2 ESD air discharge | -30 | 30 | KV | IEC61000-4-2 air discharge | 2 | ||
| IEC61000-4-2 ESD contact discharge | -30 | 30 | KV | IEC61000-4-2 contact discharge | 2 | ||
| IEC61000-4-4 EFT | 40 | A | IEC61000-4-4 | 2 | |||
| ESD Voltage Human Body Model | 16 | KV | Human Body Model | 2 |
CAD (KiCad official)
- Symbol:
MSESD5Z3.3C - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
msesd5z3-3c-etched.step/msesd5z3-3c-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);msesd5z3-3c.step/msesd5z3-3c.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (5 pp, sha256
bc13f5cd892bc58b, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).
# MSESD5Z3.3C
**MSKSEMI** · ESD Protection Devices · SOD-523
MSESD5Z3.3C from MSKSEMI, 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOD-523 |
| Category | TVS/Fuse/Board Level 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 Working Peak Voltage | VRWM | | | 3.3 | V | | 2 |
| Reverse Leakage Current | IR | | | 1 | uA | @ VRWM | 2 |
| Breakdown Voltage | VBR | 5.6 | | | V | @ IT = 1.0 mA | 2 |
| Clamping Voltage | VC | | 11.6 | | V | @ IPP=5 A | 2 |
| Clamping Voltage at Max IPP | VC | | | 18.6 | V | @ Max IPP | 2 |
| Maximum Peak Pulse Current | IPP | | | 9.4 | A | | 2 |
| Peak Pulse Power | PPK | | | 174 | W | | 2 |
| Capacitance | C | | 25 | | pF | | 2 |
| Forward Voltage | VF | | 0.9 | | V | IF = 10mA | 2 |
| Peak Pulse Power | PPP | | | 200 | W | tp = 8/20μs | 2 |
| Maximum lead temperature for soldering | TL | | | 260 | °C | 10s | 2 |
| Storage Temperature Range | Tstg | -55 | | 155 | °C | | 2 |
| Operating Temperature Range | Top | -40 | | 125 | °C | | 2 |
| Maximum junction temperature | Tj | | | 150 | °C | | 2 |
| IEC61000-4-2 ESD air discharge | | -30 | | 30 | KV | IEC61000-4-2 air discharge | 2 |
| IEC61000-4-2 ESD contact discharge | | -30 | | 30 | KV | IEC61000-4-2 contact discharge | 2 |
| IEC61000-4-4 EFT | | | | 40 | A | IEC61000-4-4 | 2 |
| ESD Voltage Human Body Model | | | | 16 | KV | Human Body Model | 2 |
## CAD (KiCad official)
- Symbol: `MSESD5Z3.3C`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `msesd5z3-3c-etched.step` / `msesd5z3-3c-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `msesd5z3-3c.step` / `msesd5z3-3c.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MSKSEMI datasheet](docs/msesd5z3-3c-datasheet.pdf) (5 pp, sha256 `bc13f5cd892bc58b`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal 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/msesd5z3-3c-datasheet.pdf)