# YLRY12-3-8F

**Shenzhen Yezhan Elec** · Current Sense Resistors / Shunt Resistors · 2512

YLRY12-3-8F from Shenzhen Yezhan Elec, in a 2512. 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 | Shenzhen Yezhan Elec |
| Package | 2512 |
| 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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (ordering code F) |  | -1 |  | 1 | % | F: ±1% | 3 |
| Temperature coefficient (TCR), resistance 2~500 mΩ |  | -50 |  | 50 | ppm/℃ | Resistance 2~500 mΩ | 3 |
| Operating temperature range |  | -55 |  | 170 | ℃ |  | 3 |
| Insulation resistance |  | 100 |  |  | MΩ |  | 1 |
| Rated power |  |  |  | 3 | W | Rated power at P70℃ | 3 |
| Resistance change, temperature cycling |  | -0.5 |  | 0.5 | % | 1000 cycles (-55℃ to +150℃), JESD22 Method JA-104 | 3 |
| Resistance change, high temperature exposure |  | -1 |  | 1 | % | 1000 h @ T=170℃, unpowered, MIL-STD-202 Method 108 | 3 |
| Resistance change, moisture resistance |  | -1 |  | 1 | % | t=24 h/cycle, unpowered, MIL-STD-202 Method 106 | 3 |
| Resistance change, biased humidity |  | -1 |  | 1 | % | 1000 h 85℃/85%RH, 10% of operating power, MIL-STD-202 Method 103 | 3 |
| Resistance change, operational life |  | -1 |  | 1 | % | TA=70℃ at rated power, MIL-STD-202 Method 108 | 3 |
| Resistance change, resistance to soldering heat |  | -0.5 |  | 0.5 | % | 260℃±5℃, 10 s±1 s, MIL-STD-202 Method 210 | 3 |
| Resistance change, short time overload |  | -1 |  | 1 | % | 5×rated power for 5 s, MIL-STD-202 Method 201 | 3 |
| Resistance change, shock |  | -1 |  | 1 | % | 100 g, 6 ms, MIL-STD-202 Method 213 | 3 |
| Resistance change, vibration |  | -1 |  | 1 | % | 5 g, 20 min, 12 cycles each of 3 orientations, MIL-STD-202 Method 204, 10-2000 Hz | 3 |
| Storage temperature |  | 5 |  | 35 | ℃ | Storage conditions | 5 |
| Storage humidity |  | 40 |  | 75 | % | Storage conditions | 5 |

## CAD (KiCad official)

- Symbol: `YLRY12-3-8F`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `ylry12-3-8f-etched.step` / `ylry12-3-8f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ylry12-3-8f.step` / `ylry12-3-8f.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shenzhen Yezhan Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603386691651072000) (7 pp, sha256 `25c896c0861e1c44`, retrieved 2026-10-17, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/ylry12-3-8f-datasheet.pdf)