# LM-PJSRV05W-4GDW

**Leiditech** · ESD And Surge Protection (TVS/ESD) · SOT-363

LM-PJSRV05W-4GDW from Leiditech, in a SOT-363. 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 | I/O1 | passive | Protected line 1 (steering-diode pair midpoint, bottom-left of the diagram), 5V working voltage, 0.8pF max junction capacitance. |
| 2 | GND | power_in | Common ground, connected to the anode of the central TVS zener diode in the pin configuration diagram. |
| 3 | I/O2 | passive | Protected line 2 (steering-diode pair midpoint, bottom-right of the diagram), 5V working voltage, 0.8pF max junction capacitance. |
| 4 | I/O3 | passive | Protected line 3 (steering-diode pair midpoint, top-right of the diagram), 5V working voltage, 0.8pF max junction capacitance. |
| 5 | VCC | power_in | Connected to the cathode of the central TVS zener diode (positive rail of the steering diodes); 5V reverse working voltage (VRWM). |
| 6 | I/O4 | passive | Protected line 4 (steering-diode pair midpoint, top-left of the diagram), 5V working voltage, 0.8pF max junction capacitance. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Leiditech |
| Package | SOT-363 |
| Category | Circuit Protection |
| Pins | 6 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power (8/20µs) | Ppp |  |  | 100 | W |  | 1 |
| ESD per IEC 61000-4-2 (Air) | VESD | -25 |  | 25 | Kv | per IEC 61000-4-2 (Air) | 1 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -20 |  | 20 | Kv | per IEC 61000-4-2 (Contact) | 1 |
| Operating Temperature Range | TJ | -55 |  | 125 | ℃ |  | 1 |
| Storage Temperature Range | TSTJ | -55 |  | 150 | ℃ |  | 1 |
| Reverse Working Voltage | VRWM |  | 5 |  | V |  | 2 |
| Breakdown Voltage | VBR |  | 6 |  | V | IT = 1mA | 2 |
| Reverse Leakage Current | IR |  | 0.5 |  | µA | VRWM = 5V | 2 |
| Clamping Voltage (IPP = 1A) | VC |  | 15 |  | V | IPP = 1A (8 x 20 s pulse) | 2 |
| Clamping Voltage (IPP = 5A) | VC |  | 20 |  | V | IPP = 5A (8 x 20 s pulse) | 2 |
| Junction Capacitance | CJ |  | 0.8 |  | pF | V = 0V, f = 1MHz | 2 |

## CAD (KiCad official)

- Symbol: `LM-PJSRV05W-4GDW`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files: `lm-pjsrv05w-4gdw-etched.step` / `lm-pjsrv05w-4gdw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm-pjsrv05w-4gdw.step` / `lm-pjsrv05w-4gdw.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Leiditech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603063396241985536) (3 pp, sha256 `185d91e6eda19ce1`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/lm-pjsrv05w-4gdw-datasheet.pdf)