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HoSRX1206-1W-1mR-1%

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Milliohm Current Sense Resistors / Shunt Resistors, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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HoSRX1206-1W-1mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 1206

HoSRX1206-1W-1mR-1% from Milliohm, in a 1206. 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 Milliohm
Package 1206
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 -1 1 % 3
Temperature coefficient of resistance TCR -50 50 ppm/°C R1 at room temp, R2 at 85°C; TCR=(R2-R1)/(R1×(T2-T1))×10 as printed 3
Operating temperature range -55 170 °C 3
Short-time overload resistance change ΔR -0.5 0.5 % 5 times rated power for 5 s, JIS-C-5201 5
Bending strength resistance change ΔR -0.5 0.5 % 2 mm bending, at least 60 s support, AEC Q200-005 5
Solderability solder coverage 95 % Soldering 245±5°C, immersion 3±0.5 s, J-STD-002 5
Solvent resistance resistance change ΔR -0.5 0.5 % Isopropyl alcohol 20-25°C, 60±5 s, rest over 24 h, MIL-STD-202 Method 215 5
Solder heat resistance change ΔR -0.5 0.5 % 260±5°C tin bath, 10±1 s, rest at least 60 min 5
Temperature cycling resistance change ΔR -0.5 0.5 % 1000 cycles (-55~155°C), 30 min dwell, 15°C/min, electrical test within 24±4 h 5
High-temperature storage resistance change ΔR -0.5 0.5 % 1000 h at 155°C, no power applied 5
Biased humidity resistance change ΔR -0.5 0.5 % 1000 h at 85°C, 85% RH, loaded with 10% rated power 5
Load life resistance change ΔR -0.5 0.5 % Rated current, Ta=125°C, 100% power, 0.5 h off/1.5 h on, 1000 h 5
Low-temperature storage resistance change ΔR -0.5 0.5 % -55°C, storage 1000 h 5
Mechanical shock resistance change ΔR -0.5 0.5 % Half-sine pulse X, Y, Z, 0.5 ms, peak 100 g 5
Vibration resistance change ΔR -0.5 0.5 % 10 to 2000 Hz, 20 min sweep, 12 cycles per axis (36 total) 5
Rated power 1 W Rated power as printed (1W) 3
Rated current 31.62 A Printed next to the 1mR selection example, no conditions given 3
Nominal resistance R 1 mR Value from MPN 1mR 3

CAD (KiCad official)

  • Symbol: HoSRX1206-1W-1mR-1%
  • Footprint: Resistor_SMD:R_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: hosrx1206-1w-1mr-1-etched.step / hosrx1206-1w-1mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hosrx1206-1w-1mr-1.step / hosrx1206-1w-1mr-1.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (7 pp, sha256 00a3c2ec3663f922, retrieved 2026-10-17, 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