# LTR18EZPFLR270

**ROHM Semicon** · Chip Resistor - Surface Mount · 0612

LTR18EZPFLR270 from ROHM Semicon, in a 0612. 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 | ROHM Semicon |
| Package | 0612 |
| Category | Resistors |
| 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 |
|---|---|---|---|---|---|---|---|
| Overload resistance change |  | -2 |  | 2 | % | Rated voltage(current)×2.0, 5s (LTR18) | 4 |
| Resistance to soldering heat resistance change |  | -1 |  | 1 | % | Soldering condition 260±5°C, duration of immersion 10±1s | 4 |
| Rapid change of temperature resistance change |  | -1 |  | 1 | % | Test temp -55°C to +125°C, 1,000 cycles | 4 |
| Endurance at 70°C resistance change |  | -1 |  | 1 | % | Ambient 70°C, terminal 95°C, rated power 1.5h ON / 0.5h OFF, test time 1,000h (LTR18) | 4 |
| Endurance at 155°C resistance change |  | -1 |  | 1 | % | 155°C, test time 1,000h (LTR10L/18/50/100L) | 4 |
| Resistance to solvent resistance change |  | -1 |  | 1 | % | 23±5°C, immersion cleaning 5±0.5min, solvent 2-propanol | 4 |
| Bend strength of end face plating resistance change |  | -1 |  | 1 | % | Endurance with 90mm width, deflection 3mm | 4 |
| Resistance tolerance (decoded from F in MPN) |  | -1 |  | 1 | % | F(±1%) | 1 |
| Rated power | P |  | 1.5 |  | W | LTR18 (0612), rated at ambient 70°C per derating curve | 1 |
| Rated terminal temperature |  |  | 95 |  | °C | LTR18 rated terminal temperature (derating Fig.2) | 3 |
| Operating temperature range |  | -55 |  | 155 | °C | Resistance type LTR18 (LTR10L/18/50 test temperatures -55°C/+155°C) | 1 |

## CAD (KiCad official)

- Symbol: `LTR18EZPFLR270`
- Footprint: `Resistor_SMD:R_0612_1632Metric`
- 3D model: 0612 (KiCad packages3D, STEP)
- 3D model files: `ltr18ezpflr270-etched.step` / `ltr18ezpflr270-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ltr18ezpflr270.step` / `ltr18ezpflr270.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ROHM Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8615185043501162496) (9 pp, sha256 `1f778524ae4171c8`, retrieved 2026-10-16, 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/ltr18ezpflr270-datasheet.pdf)