# PGB1010603MRHF

**Littelfuse** · ESD And Surge Protection (TVS/ESD) · 0603

PGB1010603MRHF from Littelfuse, in a 0603. 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 | One terminal of the bidirectional PULSE-GUARD polymer ESD suppressor, rated 24 VDC maximum with a typical clamping voltage of 150 V at 8 kV IEC 61000-4-2 contact discharge. |
| 2 | 2 | passive | The other terminal of the bidirectional PULSE-GUARD polymer ESD suppressor, rated 24 VDC maximum with a typical clamping voltage of 150 V at 8 kV IEC 61000-4-2 contact discharge. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | 0603 |
| 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 |
|---|---|---|---|---|---|---|---|
| Capacitance (typical) |  |  | 0.06 |  | pF | Measured at 250 MHz | 1 |
| Rated Voltage (maximum) |  |  |  | 24 | VDC |  | 1 |
| IEC 61000-4-2 Contact Discharge (typical) |  |  | 8 |  | kV | IEC 61000-4-2 contact discharge | 1 |
| IEC 61000-4-2 Air Discharge (maximum) |  |  |  | 15 | kV | IEC 61000-4-2 air discharge | 1 |
| Peak Voltage (typical) |  |  | 500 |  | V | Measured per IEC 61000-4-2 8kV Contact Discharge | 1 |
| Clamping Voltage (typical) |  |  | 150 |  | V | Measured per IEC 61000-4-2 8kV Contact Discharge, at 25 nsec. | 1 |
| Response Time |  |  |  | 1 | nS |  | 1 |
| ESD Pulse Withstand |  | 1000 |  |  | pulses |  | 1 |
| Operating Temperature |  | -65 |  | 125 | °C |  | 3 |
| Wave solder peak temperature |  |  |  | 260 | °C | Wave solder | 3 |
| Wave solder time |  |  |  | 10 | seconds | Wave solder, maximum | 3 |
| Reflow solder peak temperature |  |  |  | 260 | °C | Reflow solder | 3 |
| Reflow solder time |  |  |  | 30 | seconds | Reflow solder, maximum | 3 |

## CAD (KiCad official)

- Symbol: `PGB1010603MRHF`
- Footprint: `Diode_SMD:D_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `pgb1010603mrhf-etched.step` / `pgb1010603mrhf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pgb1010603mrhf.step` / `pgb1010603mrhf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Littelfuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589839740770938880) (4 pp, sha256 `b919ef335c4380d0`, retrieved 2026-10-19, tier: lcsc)
- **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/pgb1010603mrhf-datasheet.pdf)