component
HoLLR2512-2W-25mR-1%
Public Made by Adomby adom
Milliohm Current Sense Resistors / Shunt Resistors, 2512. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
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.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownHoLLR2512-2W-25mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 2512
HoLLR2512-2W-25mR-1% from Milliohm, 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 | Milliohm |
| 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 |
|---|---|---|---|---|---|---|---|
| Tolerance (code F, decoded from MPN 1%) | -1 | 1 | % | Part-number table: F=±1% | 1 | ||
| Temperature Coefficient of Resistance (1mΩ<R≤50mΩ) | TCR | -50 | 50 | ppm/°C | 1mΩ<R≦50mΩ; TCR=(R2-R1)/R1/(T2-T1)×10^6, R2 at 125 °C | 2 | |
| Operating temperature range | -55 | 170 | °C | 2 | |||
| Short time overload resistance change | -0.5 | 0.5 | % | 5 s overload at rated power ×2 (table lists 3W model); ΔR measured after 24 h rest | 5 | ||
| Biased humidity resistance change | -0.5 | 0.5 | % | 85 °C, 85 %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 | 5 | ||
| Low temperature exposure resistance change | -0.5 | 0.5 | % | -55 °C, 1000 h storage | 5 | ||
| High temperature exposure resistance change | -1 | 1 | % | 170 °C, 1000 h storage | 6 | ||
| Load life resistance change | -1 | 1 | % | 70 °C, rated current 90 min ON/30 min OFF, 1000 h | 6 | ||
| Resistance to solder heat resistance change | -0.5 | 0.5 | % | 260±5 °C solder bath, 10±1 s | 6 | ||
| Resistance to solvent resistance change | -0.5 | 0.5 | % | Isopropyl alcohol 20-25 °C, 60±5 s | 6 | ||
| Joint strength of solder resistance change | -0.5 | 0.5 | % | Bend test board, load at board centre | 6 | ||
| Insulation resistance | 100 | MΩ | 100 VDC applied 1 min, electrode to protective layer and to substrate | 6 | |||
| Rated power (2W variant) | P | 2 | W | 1 |
CAD (KiCad official)
- Symbol:
HoLLR2512-2W-25mR-1% - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
hollr2512-2w-25mr-1-etched.step/hollr2512-2w-25mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hollr2512-2w-25mr-1.step/hollr2512-2w-25mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (7 pp, sha256
5dac9ede82062791, 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, primarytwo-terminal convention(convention), consensusoff(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).