# RL0603E018M100K

**RUILON Shenzhen Ruilongyuan Elec** · Varistors · 0603

RL0603E018M100K from RUILON Shenzhen Ruilongyuan Elec, 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 | Terminal 1 of an unpolarised resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | RUILON Shenzhen Ruilongyuan Elec |
| 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 |
|---|---|---|---|---|---|---|---|
| Leakage current (max, working voltage applied) |  |  |  | 1 | uA |  | 3 |
| Leakage current requirement |  |  |  | 1 | uA | Applied voltage : specified working voltage | 4 |
| Capacitance requirement |  |  |  | 1 | pF | Frequency & OSC level : 1MHz, 1.0Vrms | 4 |
| Leakage current after reflow soldering |  |  |  | 10 | uA | Reflow soldering, max 260+/-5°C, min 10sec | 4 |
| Leakage current after humidity load test |  |  |  | 10 | uA | Temp 85+/-5°C, RH 85+/-5%, time not stated in row | 4 |
| Leakage current after thermal shock |  |  |  | 10 | uA | Step 1 : -40 +/- 5°C, Step 2 : 85 +/- 5°C, Cycle : 30min ± 3min, each 5 cycles | 4 |
| Leakage current after high temperature test |  |  |  | 10 | uA | Temp. & time : 85+/-5°C , 1000 +/- 24hrs | 4 |
| Leakage current after ESD test |  |  |  | 10 | uA | IEC61000-4-2, contact ±8kV (Level 4) and air ±15kV (Level 4), 10 times each | 4 |
| Capacitance | C |  | 1 |  | pF | @1MHz | 3 |
| Capacitance tolerance |  | -20 |  | 20 | % |  | 2 |
| Trigger voltage |  |  | 200 |  | V |  | 3 |
| Clamping voltage |  |  | 50 |  | V |  | 3 |
| Working voltage (max operating voltage) |  |  |  | 18 | VDC |  | 3 |
| Operation range |  | -55 |  | 85 | °C | Operation Range | 4 |
| Peak temperature (TP), Pb-free reflow profile | TP |  |  | 260 | °C | Pb-free assembly recommended soldering profile | 5 |

## CAD (KiCad official)

- Symbol: `RL0603E018M100K`
- Footprint: `Resistor_SMD:R_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `rl0603e018m100k-etched.step` / `rl0603e018m100k-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rl0603e018m100k.step` / `rl0603e018m100k.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [RUILON Shenzhen Ruilongyuan Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910325353074688) (6 pp, sha256 `a3c29cff2c9e6cc1`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal 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/rl0603e018m100k-datasheet.pdf)