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HoSRX1206-3W-0.5mR-1%
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Milliohm Current Sense Resistors / Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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HoSRX1206-3W-0.5mR-1%
Milliohm · Current Sense Resistors / Shunt Resistors · 1206
HoSRX1206-3W-0.5mR-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 | First welded terminal of the 0.5 mΩ ±1% bare alloy resistor, rated 3 W and 77.45 A, with a recommended 1206 solder pad of L 4 mm, A 2.1 mm and B 1.2 mm. |
| 2 | 2 | passive | Second welded terminal of the 0.5 mΩ ±1% bare alloy resistor, interchangeable with the first and rated -55°C to +170°C, with a Kelvin sensing trace shown on the recommended pad layout. |
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 value | R | 0.5 | mR | Nominal resistance as printed in part number 0.5mR | 3 | ||
| Resistance tolerance | -1 | 1 | % | Tolerance code 1% in part number | 3 | ||
| Resistance temperature coefficient (TCR) | -100 | 100 | ppm/℃ | Printed as ±100ppm/℃ for SRX series | 3 | ||
| Operating temperature range | -55 | 170 | ℃ | Operating temperature range as printed | 3 | ||
| Rated power | 3 | W | Rated power as printed for 3W part | 3 | |||
| Rated current | 77.45 | A | Rated current as printed on selection example for this part | 3 | |||
| Storage ambient temperature | 5 | 35 | ℃ | Storage at relative humidity below 65% | 7 | ||
| Short-time overload ΔR | △R | -0.5 | 0.5 | % | Apply 5 times rated power for 5 seconds, JIS-C-5201 | 5 | |
| Bending strength ΔR | △R | -0.5 | 0.5 | % | 2mm bending, at least 60 seconds support time, AEC Q200-005 | 5 | |
| Solvent resistance ΔR | △R | -0.5 | 0.5 | % | Immerse in 20~25°C isopropyl alcohol for 60±5 seconds, MIL-STD-202 Method 215 | 5 | |
| Solder heat resistance ΔR | △R | -0.5 | 0.5 | % | 260±5°C tin bath for 10±1 seconds, MIL-STD-202 Method 210 | 5 | |
| Temperature cycling ΔR | △R | -0.5 | 0.5 | % | 1000 cycles (-55~155°C), 30 min dwell, JESD22 Method JA-104 | 5 | |
| High-temperature storage ΔR | △R | -0.5 | 0.5 | % | 1000 hours at 155°C, no power applied, MIL-STD-202 Method 108 | 5 | |
| Biased humidity ΔR | △R | -0.5 | 0.5 | % | 1000 hours at 85°C, 85% relative humidity, loaded with 10% rated power | 5 | |
| Load life ΔR | △R | -0.5 | 0.5 | % | Rated current, Ta=125°C, 100% power, 0.5 h off / 1.5 h on, 1000 hours, MIL-STD-202 Method 108 | 5 | |
| Low-temperature storage ΔR | △R | -0.5 | 0.5 | % | -55°C storage for 1000 hours, JIS-C-5201-4.23.4 | 5 | |
| Mechanical shock ΔR | △R | -0.5 | 0.5 | % | Half-sine pulse, 0.5 ms duration, 100g peak, X/Y/Z directions, MIL-STD-202 Method 213 | 5 | |
| Vibration ΔR | △R | -0.5 | 0.5 | % | 10 to 2000 Hz, 12 cycles in each of three perpendicular directions, MIL-STD-202 Method 204 | 5 |
CAD (KiCad official)
- Symbol:
HoSRX1206-3W-0.5mR-1% - Footprint:
Resistor_SMD:R_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
hosrx1206-3w-0-5mr-1-etched.step/hosrx1206-3w-0-5mr-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hosrx1206-3w-0-5mr-1.step/hosrx1206-3w-0-5mr-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Milliohm datasheet (7 pp, sha256
4aae0c788c87914a, retrieved 2026-11-07, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).
# HoSRX1206-3W-0.5mR-1%
**Milliohm** · Current Sense Resistors / Shunt Resistors · 1206
HoSRX1206-3W-0.5mR-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 | First welded terminal of the 0.5 mΩ ±1% bare alloy resistor, rated 3 W and 77.45 A, with a recommended 1206 solder pad of L 4 mm, A 2.1 mm and B 1.2 mm. |
| 2 | 2 | passive | Second welded terminal of the 0.5 mΩ ±1% bare alloy resistor, interchangeable with the first and rated -55°C to +170°C, with a Kelvin sensing trace shown on the recommended pad layout. |
## 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 value | R | | 0.5 | | mR | Nominal resistance as printed in part number 0.5mR | 3 |
| Resistance tolerance | | -1 | | 1 | % | Tolerance code 1% in part number | 3 |
| Resistance temperature coefficient (TCR) | | -100 | | 100 | ppm/℃ | Printed as ±100ppm/℃ for SRX series | 3 |
| Operating temperature range | | -55 | | 170 | ℃ | Operating temperature range as printed | 3 |
| Rated power | | | 3 | | W | Rated power as printed for 3W part | 3 |
| Rated current | | | 77.45 | | A | Rated current as printed on selection example for this part | 3 |
| Storage ambient temperature | | 5 | | 35 | ℃ | Storage at relative humidity below 65% | 7 |
| Short-time overload ΔR | △R | -0.5 | | 0.5 | % | Apply 5 times rated power for 5 seconds, JIS-C-5201 | 5 |
| Bending strength ΔR | △R | -0.5 | | 0.5 | % | 2mm bending, at least 60 seconds support time, AEC Q200-005 | 5 |
| Solvent resistance ΔR | △R | -0.5 | | 0.5 | % | Immerse in 20~25°C isopropyl alcohol for 60±5 seconds, MIL-STD-202 Method 215 | 5 |
| Solder heat resistance ΔR | △R | -0.5 | | 0.5 | % | 260±5°C tin bath for 10±1 seconds, MIL-STD-202 Method 210 | 5 |
| Temperature cycling ΔR | △R | -0.5 | | 0.5 | % | 1000 cycles (-55~155°C), 30 min dwell, JESD22 Method JA-104 | 5 |
| High-temperature storage ΔR | △R | -0.5 | | 0.5 | % | 1000 hours at 155°C, no power applied, MIL-STD-202 Method 108 | 5 |
| Biased humidity ΔR | △R | -0.5 | | 0.5 | % | 1000 hours at 85°C, 85% relative humidity, loaded with 10% rated power | 5 |
| Load life ΔR | △R | -0.5 | | 0.5 | % | Rated current, Ta=125°C, 100% power, 0.5 h off / 1.5 h on, 1000 hours, MIL-STD-202 Method 108 | 5 |
| Low-temperature storage ΔR | △R | -0.5 | | 0.5 | % | -55°C storage for 1000 hours, JIS-C-5201-4.23.4 | 5 |
| Mechanical shock ΔR | △R | -0.5 | | 0.5 | % | Half-sine pulse, 0.5 ms duration, 100g peak, X/Y/Z directions, MIL-STD-202 Method 213 | 5 |
| Vibration ΔR | △R | -0.5 | | 0.5 | % | 10 to 2000 Hz, 12 cycles in each of three perpendicular directions, MIL-STD-202 Method 204 | 5 |
## CAD (KiCad official)
- Symbol: `HoSRX1206-3W-0.5mR-1%`
- Footprint: `Resistor_SMD:R_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `hosrx1206-3w-0-5mr-1-etched.step` / `hosrx1206-3w-0-5mr-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hosrx1206-3w-0-5mr-1.step` / `hosrx1206-3w-0-5mr-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/8758016732210573312) (7 pp, sha256 `4aae0c788c87914a`, retrieved 2026-11-07, tier: lcsc)
- **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](docs/hosrx1206-3w-0-5mr-1-datasheet.pdf)