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YLRY12-3-220F
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Shenzhen Yezhan Elec Current Sense Resistors / Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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YLRY12-3-220F
Shenzhen Yezhan Elec · Current Sense Resistors / Shunt Resistors · 2512
YLRY12-3-220F 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 | First terminal of the 2512 YLRY12 standard-terminal current-sense resistor (3W rated at 70℃, 220mΩ ±1% per the MPN code), a non-polarized end electrode with 6.4mm overall width W and 3.2mm height C. |
| 2 | 2 | passive | Second terminal of the 2512 YLRY12 standard-terminal current-sense resistor, a non-polarized end electrode interchangeable with the first, operating from -55℃ to 170℃. |
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 value range (YLRY12, 2W/3W, standard terminal) | R | 2 | 500 | mΩ | YLRY12 rated 2W/3W; not the -K big-terminal variant | 3 | |
| Resistance tolerance (F = ±1%) | -1 | 1 | % | F code from part number | 1 | ||
| Temperature coefficient of resistance | TCR | -50 | 50 | ppm/℃ | Resistance 2~500 mΩ | 3 | |
| Operating temperature range | -55 | 170 | ℃ | 3 | |||
| Insulation resistance | 100 | MΩ | 1 | ||||
| Temperature cycling resistance change limit | ΔR | -0.5 | 0.5 | % | 1000 cycles (-55℃ to +150℃), JESD22 JA-104 | 3 | |
| ESD resistance change limit | ΔR | -1 | 1 | % | Direct contact ±6kV; air discharge ±12/16/25kV; AEC-Q200 Rev D | 3 | |
| High temperature exposure resistance change limit | ΔR | -1 | 1 | % | 1000 h at 170℃, unpowered, MIL-STD-202 M108 | 3 | |
| Moisture resistance resistance change limit | ΔR | -1 | 1 | % | t=24 h/cycle, unpowered, MIL-STD-202 M106 | 3 | |
| Biased humidity resistance change limit | ΔR | -1 | 1 | % | 1000 h at 85℃/85%RH, 10% of operating power, MIL-STD-202 M103 | 3 | |
| Operational life resistance change limit | ΔR | -1 | 1 | % | Steady state TA=70℃ at rated power, MIL-STD-202 M108 | 3 | |
| Resistance to soldering heat resistance change limit | ΔR | -0.5 | 0.5 | % | 260℃±5℃, 10 s±1 s, MIL-STD-202 M210 | 3 | |
| Short time overload resistance change limit | ΔR | -1 | 1 | % | 5× rated power for 5 s, MIL-STD-202 M201 | 3 | |
| Shock resistance change limit | ΔR | -1 | 1 | % | 100 g, 6 ms, MIL-STD-202 M213 | 3 | |
| Vibration resistance change limit | ΔR | -1 | 1 | % | 5 g, 20 min, 12 cycles per orientation, 10-2000 Hz, MIL-STD-202 M204 | 3 | |
| Rated power | P | 3 | W | Rated at 70℃ ambient (P70℃) | 3 |
CAD (KiCad official)
- Symbol:
YLRY12-3-220F - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
ylry12-3-220f-etched.step/ylry12-3-220f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ylry12-3-220f.step/ylry12-3-220f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen Yezhan Elec datasheet (7 pp, sha256
25c896c0861e1c44, retrieved 2026-11-08, 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 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).
# YLRY12-3-220F
**Shenzhen Yezhan Elec** · Current Sense Resistors / Shunt Resistors · 2512
YLRY12-3-220F 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 | First terminal of the 2512 YLRY12 standard-terminal current-sense resistor (3W rated at 70℃, 220mΩ ±1% per the MPN code), a non-polarized end electrode with 6.4mm overall width W and 3.2mm height C. |
| 2 | 2 | passive | Second terminal of the 2512 YLRY12 standard-terminal current-sense resistor, a non-polarized end electrode interchangeable with the first, operating from -55℃ to 170℃. |
## 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 value range (YLRY12, 2W/3W, standard terminal) | R | 2 | | 500 | mΩ | YLRY12 rated 2W/3W; not the -K big-terminal variant | 3 |
| Resistance tolerance (F = ±1%) | | -1 | | 1 | % | F code from part number | 1 |
| Temperature coefficient of resistance | TCR | -50 | | 50 | ppm/℃ | Resistance 2~500 mΩ | 3 |
| Operating temperature range | | -55 | | 170 | ℃ | | 3 |
| Insulation resistance | | 100 | | | MΩ | | 1 |
| Temperature cycling resistance change limit | ΔR | -0.5 | | 0.5 | % | 1000 cycles (-55℃ to +150℃), JESD22 JA-104 | 3 |
| ESD resistance change limit | ΔR | -1 | | 1 | % | Direct contact ±6kV; air discharge ±12/16/25kV; AEC-Q200 Rev D | 3 |
| High temperature exposure resistance change limit | ΔR | -1 | | 1 | % | 1000 h at 170℃, unpowered, MIL-STD-202 M108 | 3 |
| Moisture resistance resistance change limit | ΔR | -1 | | 1 | % | t=24 h/cycle, unpowered, MIL-STD-202 M106 | 3 |
| Biased humidity resistance change limit | ΔR | -1 | | 1 | % | 1000 h at 85℃/85%RH, 10% of operating power, MIL-STD-202 M103 | 3 |
| Operational life resistance change limit | ΔR | -1 | | 1 | % | Steady state TA=70℃ at rated power, MIL-STD-202 M108 | 3 |
| Resistance to soldering heat resistance change limit | ΔR | -0.5 | | 0.5 | % | 260℃±5℃, 10 s±1 s, MIL-STD-202 M210 | 3 |
| Short time overload resistance change limit | ΔR | -1 | | 1 | % | 5× rated power for 5 s, MIL-STD-202 M201 | 3 |
| Shock resistance change limit | ΔR | -1 | | 1 | % | 100 g, 6 ms, MIL-STD-202 M213 | 3 |
| Vibration resistance change limit | ΔR | -1 | | 1 | % | 5 g, 20 min, 12 cycles per orientation, 10-2000 Hz, MIL-STD-202 M204 | 3 |
| Rated power | P | | 3 | | W | Rated at 70℃ ambient (P70℃) | 3 |
## CAD (KiCad official)
- Symbol: `YLRY12-3-220F`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `ylry12-3-220f-etched.step` / `ylry12-3-220f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ylry12-3-220f.step` / `ylry12-3-220f.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/8603386680406007808) (7 pp, sha256 `25c896c0861e1c44`, retrieved 2026-11-08, 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 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/ylry12-3-220f-datasheet.pdf)