component
ESD5B5CU
Public Made by Adomby adom
MSKSEMI ESD And Surge Protection (TVS/ESD), 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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ESD5B5CU
MSKSEMI · ESD And Surge Protection (TVS/ESD) · SOD-523
ESD5B5CU 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 | 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 | MSKSEMI |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Breakdown Voltage | VBR | 5.6 | 9.4 | V | IT = 1mA | 3 | |
| Reverse Leakage Current | IR | 2 | μA | VRWM = 5V | 3 | ||
| Clamping Voltage | VC | 10.5 | V | IPP = 1A, tp = 8/20μs | 3 | ||
| Clamping Voltage | VC | 14 | V | IPP = 2A, tp = 8/20μs | 3 | ||
| TLP Clamping Voltage | VCTLP | 14.5 | V | IPP = 16A, IEC61000-4-2 Level 4 equivalent (±8kV Contact, ±15kV Air) | 3 | ||
| Dynamic Resistance | RDYN | 0.3 | Ω | P = 100ns | 3 | ||
| Junction Capacitance | CJ | 3 | 3.5 | pF | VR = 0V, f = 1MHz | 3 | |
| Reverse Working Voltage | VRWM | 5 | V | 3 | |||
| ESD per IEC 61000-4-2 (Contact) | VESD | -8 | 8 | kV | 3 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | -15 | 15 | kV | 3 | ||
| Peak Pulse Power | PPP | 35 | W | 8/20μs | 3 | ||
| Operating Temperature | TOPT | -55 | 150 | C | 3 | ||
| Storage Temperature | TSTG | -55 | 150 | C | 3 |
CAD (KiCad official)
- Symbol:
ESD5B5CU - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
esd5b5cu-etched.step/esd5b5cu-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esd5b5cu.step/esd5b5cu.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (6 pp, sha256
0ee3fe5d0e5ed3d8, retrieved 2026-10-15, 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).
# ESD5B5CU
**MSKSEMI** · ESD And Surge Protection (TVS/ESD) · SOD-523
ESD5B5CU 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 | 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 | MSKSEMI |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Breakdown Voltage | VBR | 5.6 | | 9.4 | V | IT = 1mA | 3 |
| Reverse Leakage Current | IR | | | 2 | μA | VRWM = 5V | 3 |
| Clamping Voltage | VC | | | 10.5 | V | IPP = 1A, tp = 8/20μs | 3 |
| Clamping Voltage | VC | | | 14 | V | IPP = 2A, tp = 8/20μs | 3 |
| TLP Clamping Voltage | VCTLP | | | 14.5 | V | IPP = 16A, IEC61000-4-2 Level 4 equivalent (±8kV Contact, ±15kV Air) | 3 |
| Dynamic Resistance | RDYN | | | 0.3 | Ω | P = 100ns | 3 |
| Junction Capacitance | CJ | | 3 | 3.5 | pF | VR = 0V, f = 1MHz | 3 |
| Reverse Working Voltage | VRWM | | | 5 | V | | 3 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -8 | | 8 | kV | | 3 |
| ESD per IEC 61000-4-2 (Air) | VESD | -15 | | 15 | kV | | 3 |
| Peak Pulse Power | PPP | | | 35 | W | 8/20μs | 3 |
| Operating Temperature | TOPT | -55 | | 150 | C | | 3 |
| Storage Temperature | TSTG | -55 | | 150 | C | | 3 |
## CAD (KiCad official)
- Symbol: `ESD5B5CU`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `esd5b5cu-etched.step` / `esd5b5cu-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd5b5cu.step` / `esd5b5cu.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MSKSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603178068316348416) (6 pp, sha256 `0ee3fe5d0e5ed3d8`, retrieved 2026-10-15, 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/esd5b5cu-datasheet.pdf)