component

HoLLR1206-1W-25mR-1%

Public Made by Adom

by adom

Milliohm Current Sense Resistors / Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentresistorshollr1206-1w-25mr-1%factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray
viewers hollr1206-1w-25mr-1: viewers · Ray
hollr1206-1w-25mr-1-etched.glb Publish 0.1.0 · Ray
hollr1206-1w-25mr-1-etched.step hollr1206-1w-25mr-1: factory component page (tier=lcsc) · Ray
hollr1206-1w-25mr-1-hero.glb hollr1206-1w-25mr-1: hero GLB from the etched model (keeps the MPN mark) · Ray
hollr1206-1w-25mr-1-hero.overlay.json Publish 0.1.0 · Ray
hollr1206-1w-25mr-1.glb Publish 0.1.0 · Ray
hollr1206-1w-25mr-1.kicad_mod Publish 0.1.0 · Ray
hollr1206-1w-25mr-1.kicad_sym Publish 0.1.0 · Ray
hollr1206-1w-25mr-1.lbr Publish 0.1.0 · Ray
hollr1206-1w-25mr-1.step Publish 0.1.0 · Ray
package.json Publish 0.1.0 · Ray
page.json Set visibility: public · Ray
README.md Publish 0.1.0 · Ray

HoLLR1206-1W-25mR-1%

Milliohm · Current Sense Resistors / Shunt Resistors · 1206

HoLLR1206-1W-25mR-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 the 25 mΩ ±1% alloy current-sense resistor (1 W rated at 70 °C, 1206 body 3.2×1.6 mm), interchangeable with terminal 2; recommended pad A=1.8, L=2.3, B=1.0 mm with a separate sensing trace.
2 2 passive Terminal 2 of the 25 mΩ ±1% alloy current-sense resistor (1 W rated at 70 °C, 1206 body 3.2×1.6 mm), interchangeable with terminal 1; recommended pad A=1.8, L=2.3, B=1.0 mm with a separate sensing trace.

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 (F = ±1%) -1 1 % MPN suffix -1% decodes to F = ±1% 1
Temperature coefficient of resistance (TCR) TCR -50 50 ppm/°C Resistance range 1mΩ-35mΩ (25mΩ part); TCR = (R2-R1)/(R1×(T2-T1)) with R1 at room temperature and R2 at 125 °C 2
Rated power P 1 W 1W type at 70 °C; power must be derated above 70 °C per the printed derating curve 2
Operating temperature range -55 170 °C 使用温度范围 as printed (HoLLR1206 series) 2
Short-time overload resistance change -0.5 0.5 % Overload applied 5 s, rest 24 h before measurement; overload x2 rated power for HoLLR1206 1W 5
Biased humidity resistance change -0.5 0.5 % 85 ±5 °C, 85 ±5 %RH, rated current 90 min ON / 30 min OFF, 1000 h 5
Temperature cycling resistance change -0.5 0.5 % -55 °C to +125 °C, 1000 cycles, 30 min dwell 5
Low temperature exposure resistance change -0.5 0.5 % -55 ±2 °C storage, 1000 h 5
High temperature exposure resistance change -1 1 % 170 °C oven storage, 1000 h 6
Load life resistance change -1 1 % 70 ±2 °C, rated current 90 min ON / 30 min OFF, 1000 h 6
Resistance to solder heat resistance change -0.5 0.5 % Immersion in 260 ±5 °C solder bath for 10 ±1 s 6
Resistance to solvent resistance change -0.5 0.5 % Immersion in isopropanol at 20-25 °C for 60 ±5 s, rest 24 h 6
Joint strength of solder resistance change -0.5 0.5 % Mounted on bend test board, force applied at board centre under load 6
Insulation resistance 100 MΩ 100 VDC applied for 1 min between electrodes and protective layer / substrate 6
Solderability (new tin coverage on electrodes) 95 % Immersion in 245 ±5 °C solder bath for 3 ±1 s; coverage observed under magnifier 6

CAD (KiCad official)

  • Symbol: HoLLR1206-1W-25mR-1%
  • Footprint: Resistor_SMD:R_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: hollr1206-1w-25mr-1-etched.step / hollr1206-1w-25mr-1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hollr1206-1w-25mr-1.step / hollr1206-1w-25mr-1.glb are the bare package body.

Provenance

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

  • Datasheet: Milliohm datasheet (7 pp, sha256 881128cf8909c33d, retrieved 2026-11-04, 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