Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

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 (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