# ESD7371P2T5G

**onsemi** · ESD Protection Devices · SOD-923

ESD7371P2T5G from onsemi, in a SOD-923. 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 | Cathode | passive | Cathode terminal of the ESD protection diode; breakdown voltage is tested from pin 1 to pin 2 and from pin 2 to pin 1. |
| 2 | Anode | passive | Anode terminal of the ESD protection diode, rated for a working peak reverse voltage (VRWM) of 5.3 V and a maximum reverse leakage of 50 nA at VRWM. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOD-923 |
| 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 Working Voltage | VRWM |  |  | 5.3 | V |  | 2 |
| Breakdown Voltage | VBR | 7 |  |  | V | IT = 1 mA | 2 |
| Reverse Leakage Current | IR |  | 1 | 50 | nA | VRWM = 5.3 V | 2 |
| Clamping Voltage | VC |  | 11 | 15 | V | IPP = 1 A | 2 |
| Clamping Voltage | VC |  | 14 | 20 | V | IPP = 3 A | 2 |
| Junction Capacitance | CJ |  | 0.43 | 0.7 | pF | VR = 0 V, f = 1 MHz | 2 |
| Junction Capacitance | CJ |  | 0.39 | 0.7 | pF | VR = 0 V, f < 1 GHz | 2 |
| Dynamic Resistance | RDYN |  | 0.45 |  |  | TLP pulse | 2 |
| IEC 61000-4-2 (ESD) |  |  |  | 20 | kV | Note 1: non-repetitive current pulse, TA = 25°C | 1 |
| IEC 61000-4-5 (ESD) |  |  |  | 3 | A | Note 2: non-repetitive current pulse, TA = 25°C | 1 |
| Total Power Dissipation | PD |  |  | 300 | mW | TA = 25°C; note 3 (recommended minimum pad, FR-4) | 1 |
| Thermal Resistance, Junction-to-Ambient | RJA |  |  | 400 | °C/W |  | 1 |
| Junction and Storage Temperature Range | TJ, Tstg | -55 |  | 150 | °C |  | 1 |
| Lead Solder Temperature - Maximum | TL |  |  | 260 | °C | 10 second duration | 1 |

## CAD (KiCad official)

- Symbol: `ESD7371P2T5G`
- Footprint: `Diode_SMD:D_SOD-923`
- 3D model: SOD-923 (KiCad packages3D, STEP)
- 3D model files: `esd7371p2t5g-etched.step` / `esd7371p2t5g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd7371p2t5g.step` / `esd7371p2t5g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/esd7371p2t5-d.pdf) (8 pp, sha256 `41ae2fa122ff098a`, retrieved 2026-10-30, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/esd7371p2t5g-datasheet.pdf)