# ESD9L5.0ST5G-MS

**MSKSEMI** · ESD Protection Devices · SOD-882

ESD9L5.0ST5G-MS from MSKSEMI, in a SOD-882. 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 | Pin 1 | passive | Bidirectional TVS line terminal 1 (either polarity), 5V peak reverse working voltage, 100W peak pulse power (8/20μs), ±15kV air / ±12kV contact ESD per IEC61000-4-2. |
| 2 | Pin 2 | passive | Bidirectional TVS line terminal 2 (either polarity), 5V peak reverse working voltage, 0.3pF typical junction capacitance at VR=0V, f=1MHz. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOD-882 |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage | VBR | 5.6 |  | 8.5 | V | It = 1mA | 3 |
| Reverse Leakage Current | IR |  |  | 1 | μA | VRWM = 5V T=25℃ | 3 |
| Maximum Reverse Peak Pulse Current | IPP |  |  | 5.5 | A |  | 3 |
| Clamping Voltage | VC |  |  | 10 | V | IPP=1A | 3 |
| Clamping Voltage | VC |  |  | 15 | V | IPP=3A | 3 |
| Clamping Voltage | VC |  |  | 21 | V | IPP=5A | 3 |
| Junction Capacitance | Cj |  | 0.3 | 0.5 | pF | VR=0V f = 1MHz | 3 |
| Peak Reverse Working Voltage | VRWM |  | 5 |  | V |  | 3 |
| Peak Pulse Power | Ppp |  |  | 100 | W | tp=8/20μs, 25℃ | 3 |
| Peak Pulse Current | Ipp |  |  | 5 | A | tp=8/20μs, 25℃ | 3 |
| Operating Temperature | TJ | -55 |  | 150 | ℃ | 25℃ | 3 |
| Storage Temperature | TSTG | -55 |  | 150 | ℃ | 25℃ | 3 |

## CAD (KiCad official)

- Symbol: `ESD9L5.0ST5G-MS`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: SOD-882 (KiCad packages3D, STEP)
- 3D model files: `esd9l5-0st5g-ms-etched.step` / `esd9l5-0st5g-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd9l5-0st5g-ms.step` / `esd9l5-0st5g-ms.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [MSKSEMI datasheet](docs/esd9l5-0st5g-ms-datasheet.pdf) (7 pp, sha256 `fb6903ac87a73485`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/esd9l5-0st5g-ms-datasheet.pdf)