component
HoCG25123R004F4
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
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownHoCG25123R004F4
Milliohm · Current Sense Resistors / Shunt Resistors · 2512
HoCG25123R004F4 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature range | -55 | 170 | °C | Printed as -55℃~170℃ in the 2512 product parameter table | 1 | ||
| Resistance tolerance (F = ±1% decoded from part number) | -1 | 1 | % | Tolerance code F in HoCG25123R004F4; selection example HoCG25123R010F4 decodes F as 1% | 1 | ||
| Resistance temperature coefficient (TCR) | TCR | -25 | 25 | ppm/°C | 2mΩ~5mΩ range, ±25ppm row; test +25 to +125°C, reference +25°C | 1 | |
| Max. rated current | 38.72 | A | 2mΩ~5mΩ range row (2W/3W); power rating not printed beside this value | 1 | |||
| Max. overload current | 86.6 | A | 2mΩ~5mΩ range row (2W/3W) | 1 | |||
| Parasitic inductance | 3 | nH | Printed as ＜3nH in the 2512 product parameter table | 1 | |||
| Nominal resistance (decoded from part number R004) | R | 4 | mΩ | HoCG25123R004F4 = 4 mΩ; within 2mΩ~5mΩ range | 2 | ||
| Rated power | P | 3 | W | Power code 3 in part number (selection example: 2512 3 W); rated at 70°C in load-life test | 2 | ||
| Resistance change after short-term overload | ΔR | -1 | 1 | % | 5 times rated power, 5 seconds | 3 | |
| Resistance change after temperature cycle | ΔR | -0.5 | 0.5 | % | -55@30min~+155@30min, 1000 cycles | 3 | |
| Resistance change after withstand welding heat | ΔR | -0.5 | 0.5 | % | 260±5, 10±1 sec | 3 |
CAD (KiCad official)
- Symbol:
HoCG25123R004F4 - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
hocg25123r004f4-etched.step/hocg25123r004f4-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hocg25123r004f4.step/hocg25123r004f4.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (6 pp, sha256
4f5223f606bff753, retrieved 2026-10-17, tier: lcsc) - 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).