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HoYH2512-3W-100mR-1%
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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.
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HoYH2512-3W-100mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 2512
HoYH2512-3W-100mR-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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (1% suffix, 10~400 mΩ range) | -1 | 1 | % | HoYH2512 10~400 mΩ range; the 1% option of ±0.5%/±1% | 4 | ||
| Temperature coefficient of resistance (TCR) | TCR | -50 | 50 | ppm/℃ | HoYH2512 10~400 mΩ range | 4 | |
| Operating temperature range | T | -55 | 155 | ℃ | 操作温度范围; derate power above 70℃ per power curve | 4 | |
| Short time overload resistance change | ΔR | -1 | 1 | % | Plus ±0.5 mΩ absolute; P=2.5Pr, T=25±2ºC, t=5 s | 8 | |
| High temperature exposure resistance change | ΔR | -1 | 1 | % | Plus ±0.5 mΩ absolute; T=+170±2ºC, t=1000 h | 8 | |
| Low temperature storage resistance change | ΔR | -1 | 1 | % | Plus ±0.5 mΩ absolute; T=-55±2ºC, t=1000 h | 8 | |
| Moisture load life resistance change | ΔR | -2 | 2 | % | Plus ±0.5 mΩ absolute; 60±2ºC, RH=95%, Vtest=Vmax, 90 min ON/30 min OFF, 1000 h | 8 | |
| Thermal shock resistance change | ΔR | -1 | 1 | % | Plus ±0.5 mΩ absolute; -55ºC 30 min to +155ºC 30 min, 100 cycles | 8 | |
| Load life at 70ºC resistance change | ΔR | -2 | 2 | % | Plus ±0.5 mΩ absolute; Vtest=Vmax, T=70±2ºC, 90 min ON/30 min OFF, 1000 h | 8 | |
| Resistance to solder heat resistance change | ΔR | -1 | 1 | % | Plus ±0.5 mΩ absolute; reflow T=275±5ºC, t=20±1 s | 8 | |
| Mechanical shock resistance change | ΔR | -1 | 1 | % | Plus ±0.5 mΩ absolute; a=100G, t=11 ms, 5 shocks | 8 | |
| Substrate bending resistance change | ΔR | -1 | 1 | % | Plus ±0.5 mΩ absolute; span 90 mm, bend width 2 mm, 1.6 mm glass-epoxy test board | 8 | |
| Solderability wetting coverage | 95 | % | Dip into solder at 245±5ºC, t=3±0.5 s; covered area | 8 | |||
| Wave soldering temperature | 250 | 265 | ℃ | Soldering temperature, max. 10 s | 6 | ||
| Storage temperature (sealed, RH≤75%) | T | 10 | 40 | ℃ | Sealed storage up to 2 years; RH≤75% | 4 | |
| Storage relative humidity (sealed) | RH | 75 | % | Sealed storage at 10~40℃ up to 2 years | 4 | ||
| Maximum reflow peak temperature | 260 | ℃ | 260±5℃, max. 10 s maximum temperature (reflow) | 6 | |||
| Nominal resistance | R | 100 | mΩ | HoYH2512 10~400 mΩ range; 100mR per MPN | 4 | ||
| Rated power | P | 2 | W | HoYH2512 series as printed (2 W); MPN states 3W, see review_required | 4 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | 4.4 两端电极 Terminal electrode(4) : 锡﹑镍﹑ 铜 Sn﹑Ni﹑Cu 4.5 保护防焊层 Protective coating(5) : 防火级环氧树脂,符合 UL- 94-V0要求（绿色） | 3 |
CAD (KiCad official)
- Symbol:
HoYH2512-3W-100mR-1% - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
hoyh2512-3w-100mr-1-etched.step/hoyh2512-3w-100mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hoyh2512-3w-100mr-1.step/hoyh2512-3w-100mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (8 pp, sha256
7874517e3cfb18a8, 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).
# HoYH2512-3W-100mR-1%
**Milliohm** · Current Sense Resistors / Shunt Resistors · 2512
HoYH2512-3W-100mR-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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (1% suffix, 10~400 mΩ range) | | -1 | | 1 | % | HoYH2512 10~400 mΩ range; the 1% option of ±0.5%/±1% | 4 |
| Temperature coefficient of resistance (TCR) | TCR | -50 | | 50 | ppm/℃ | HoYH2512 10~400 mΩ range | 4 |
| Operating temperature range | T | -55 | | 155 | ℃ | 操作温度范围; derate power above 70℃ per power curve | 4 |
| Short time overload resistance change | ΔR | -1 | | 1 | % | Plus ±0.5 mΩ absolute; P=2.5Pr, T=25±2ºC, t=5 s | 8 |
| High temperature exposure resistance change | ΔR | -1 | | 1 | % | Plus ±0.5 mΩ absolute; T=+170±2ºC, t=1000 h | 8 |
| Low temperature storage resistance change | ΔR | -1 | | 1 | % | Plus ±0.5 mΩ absolute; T=-55±2ºC, t=1000 h | 8 |
| Moisture load life resistance change | ΔR | -2 | | 2 | % | Plus ±0.5 mΩ absolute; 60±2ºC, RH=95%, Vtest=Vmax, 90 min ON/30 min OFF, 1000 h | 8 |
| Thermal shock resistance change | ΔR | -1 | | 1 | % | Plus ±0.5 mΩ absolute; -55ºC 30 min to +155ºC 30 min, 100 cycles | 8 |
| Load life at 70ºC resistance change | ΔR | -2 | | 2 | % | Plus ±0.5 mΩ absolute; Vtest=Vmax, T=70±2ºC, 90 min ON/30 min OFF, 1000 h | 8 |
| Resistance to solder heat resistance change | ΔR | -1 | | 1 | % | Plus ±0.5 mΩ absolute; reflow T=275±5ºC, t=20±1 s | 8 |
| Mechanical shock resistance change | ΔR | -1 | | 1 | % | Plus ±0.5 mΩ absolute; a=100G, t=11 ms, 5 shocks | 8 |
| Substrate bending resistance change | ΔR | -1 | | 1 | % | Plus ±0.5 mΩ absolute; span 90 mm, bend width 2 mm, 1.6 mm glass-epoxy test board | 8 |
| Solderability wetting coverage | | 95 | | | % | Dip into solder at 245±5ºC, t=3±0.5 s; covered area | 8 |
| Wave soldering temperature | | 250 | | 265 | ℃ | Soldering temperature, max. 10 s | 6 |
| Storage temperature (sealed, RH≤75%) | T | 10 | | 40 | ℃ | Sealed storage up to 2 years; RH≤75% | 4 |
| Storage relative humidity (sealed) | RH | | | 75 | % | Sealed storage at 10~40℃ up to 2 years | 4 |
| Maximum reflow peak temperature | | | 260 | | ℃ | 260±5℃, max. 10 s maximum temperature (reflow) | 6 |
| Nominal resistance | R | | 100 | | mΩ | HoYH2512 10~400 mΩ range; 100mR per MPN | 4 |
| Rated power | P | | 2 | | W | HoYH2512 series as printed (2 W); MPN states 3W, see review_required | 4 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | tin | 4.4 两端电极 Terminal electrode(4) : 锡﹑镍﹑ 铜 Sn﹑Ni﹑Cu 4.5 保护防焊层 Protective coating(5) : 防火级环氧树脂,符合 UL- 94-V0要求（绿色） | 3 |
## CAD (KiCad official)
- Symbol: `HoYH2512-3W-100mR-1%`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `hoyh2512-3w-100mr-1-etched.step` / `hoyh2512-3w-100mr-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hoyh2512-3w-100mr-1.step` / `hoyh2512-3w-100mr-1.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Milliohm datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590208147266052096) (8 pp, sha256 `7874517e3cfb18a8`, 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`, 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](docs/hoyh2512-3w-100mr-1-datasheet.pdf)