component
FMF25FPKR020-LH
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PSA Prosperity Dielectrics 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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FMF25FPKR020-LH
PSA Prosperity Dielectrics · Current Sense Resistors / Shunt Resistors · 2512
FMF25FPKR020-LH from PSA Prosperity Dielectrics, 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 | PSA Prosperity Dielectrics |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal resistance (FMF25 2512, code R020) | 20 | mΩ | Part-number value R020 = 20 mΩ, Standard 3W row of Table B | 5 | |||
| Resistance tolerance (F = ±1%) | -1 | 1 | % | Tolerance code F in MPN | 5 | ||
| Temperature coefficient of resistance (Standard, 20 mΩ) | TCR | -50 | 50 | ppm/℃ | TCR Hot, +25 to +155℃ (Table B Standard 3W row for 20 mΩ) | 5 | |
| Rated power at 70℃ | P | 3 | W | Rating 70℃; surface temperature must not exceed 105℃ at full rated power; solder pad and trace >300 mm² | 5 | ||
| Max working current (Standard 3W row) | 24.5 | A | Standard 3W row, printed as 24.5A (812mV) | 5 | |||
| Max working voltage (Standard 3W row) | 812 | mV | Standard 3W row, printed as 24.5A (812mV) | 5 | |||
| Max overload current (Standard 3W row) | 54.8 | A | Standard 3W row, printed as 54.8A (1817mV) | 5 | |||
| Max overload voltage (Standard 3W row) | 1817 | mV | Standard 3W row, printed as 54.8A (1817mV) | 5 | |||
| Operating temperature range | -55 | 170 | ℃ | Operating Temperature Range | 3 | ||
| Insulation resistance (termination to coating) | 1000 | MΩ | Test voltage 100±15V, IEC 60115-1 4.6 | 9 | |||
| High temperature exposure ΔR (F variant) | ΔR | -1 | 1 | % | 1000 h @170℃ unpowered; measured 24±2 h after test | 7 | |
| Temperature cycling ΔR (F variant), plus ±1 mΩ absolute term | ΔR | -0.5 | 0.5 | % | 1000 cycles -55℃ to +125℃ | 7 | |
| Moisture resistance ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -0.5 | 0.5 | % | 65℃/80-100%RH, 10 cycles | 7 | |
| Biased humidity ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -1 | 1 | % | 1000 h, 85℃/85%RH, 10% of operating power | 7 | |
| Operational life ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -1 | 1 | % | 1000 h @ TA=125℃ at specified rated power | 7 | |
| Resistance to solder heat ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -0.5 | 0.5 | % | Solder dipping 270℃±5℃ for 10 s ±1 s | 8 | |
| Thermal shock ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -0.5 | 0.5 | % | -55 to 155℃, dwell 15 min, 300 cycles | 8 | |
| ESD ΔR, plus ±0.5 mΩ absolute term | ΔR | -1 | 1 | % | Test contact min. 1 kV, AEC-Q200-002 | 8 | |
| Board flex ΔR (F variant), plus ±1 mΩ absolute term | ΔR | -0.5 | 0.5 | % | Bending 2 mm, 2512 board | 8 | |
| Short time overload ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -1 | 1 | % | 5 × rated power for 5 s | 9 | |
| Load life humidity ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -1 | 1 | % | 40±2℃, 90-95% RH, DC rated voltage, 1.5 h ON / 30 min OFF, 1000 h | 9 | |
| Load life ΔR (F variant, 70℃ cycle), plus ±0.5 mΩ absolute term | ΔR | -1 | 1 | % | Rated voltage 1.5 h on, 0.5 h pause at 70±2℃, 1000 h | 9 |
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 | Copper | Item Protective Molding Resistive Element Internal Terminal External Terminal Material Resin Alloy Metal Copper Solder | 3 |
CAD (KiCad official)
- Symbol:
FMF25FPKR020-LH - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
fmf25fpkr020-lh-etched.step/fmf25fpkr020-lh-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fmf25fpkr020-lh.step/fmf25fpkr020-lh.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PSA Prosperity Dielectrics datasheet (11 pp, sha256
30a8b45add085187, 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).
# FMF25FPKR020-LH
**PSA Prosperity Dielectrics** · Current Sense Resistors / Shunt Resistors · 2512
FMF25FPKR020-LH from PSA Prosperity Dielectrics, 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 | PSA Prosperity Dielectrics |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal resistance (FMF25 2512, code R020) | | | 20 | | mΩ | Part-number value R020 = 20 mΩ, Standard 3W row of Table B | 5 |
| Resistance tolerance (F = ±1%) | | -1 | | 1 | % | Tolerance code F in MPN | 5 |
| Temperature coefficient of resistance (Standard, 20 mΩ) | TCR | -50 | | 50 | ppm/℃ | TCR Hot, +25 to +155℃ (Table B Standard 3W row for 20 mΩ) | 5 |
| Rated power at 70℃ | P | | 3 | | W | Rating 70℃; surface temperature must not exceed 105℃ at full rated power; solder pad and trace >300 mm² | 5 |
| Max working current (Standard 3W row) | | | | 24.5 | A | Standard 3W row, printed as 24.5A (812mV) | 5 |
| Max working voltage (Standard 3W row) | | | | 812 | mV | Standard 3W row, printed as 24.5A (812mV) | 5 |
| Max overload current (Standard 3W row) | | | | 54.8 | A | Standard 3W row, printed as 54.8A (1817mV) | 5 |
| Max overload voltage (Standard 3W row) | | | | 1817 | mV | Standard 3W row, printed as 54.8A (1817mV) | 5 |
| Operating temperature range | | -55 | | 170 | ℃ | Operating Temperature Range | 3 |
| Insulation resistance (termination to coating) | | 1000 | | | MΩ | Test voltage 100±15V, IEC 60115-1 4.6 | 9 |
| High temperature exposure ΔR (F variant) | ΔR | -1 | | 1 | % | 1000 h @170℃ unpowered; measured 24±2 h after test | 7 |
| Temperature cycling ΔR (F variant), plus ±1 mΩ absolute term | ΔR | -0.5 | | 0.5 | % | 1000 cycles -55℃ to +125℃ | 7 |
| Moisture resistance ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -0.5 | | 0.5 | % | 65℃/80-100%RH, 10 cycles | 7 |
| Biased humidity ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -1 | | 1 | % | 1000 h, 85℃/85%RH, 10% of operating power | 7 |
| Operational life ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -1 | | 1 | % | 1000 h @ TA=125℃ at specified rated power | 7 |
| Resistance to solder heat ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -0.5 | | 0.5 | % | Solder dipping 270℃±5℃ for 10 s ±1 s | 8 |
| Thermal shock ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -0.5 | | 0.5 | % | -55 to 155℃, dwell 15 min, 300 cycles | 8 |
| ESD ΔR, plus ±0.5 mΩ absolute term | ΔR | -1 | | 1 | % | Test contact min. 1 kV, AEC-Q200-002 | 8 |
| Board flex ΔR (F variant), plus ±1 mΩ absolute term | ΔR | -0.5 | | 0.5 | % | Bending 2 mm, 2512 board | 8 |
| Short time overload ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -1 | | 1 | % | 5 × rated power for 5 s | 9 |
| Load life humidity ΔR (F variant), plus ±0.5 mΩ absolute term | ΔR | -1 | | 1 | % | 40±2℃, 90-95% RH, DC rated voltage, 1.5 h ON / 30 min OFF, 1000 h | 9 |
| Load life ΔR (F variant, 70℃ cycle), plus ±0.5 mΩ absolute term | ΔR | -1 | | 1 | % | Rated voltage 1.5 h on, 0.5 h pause at 70±2℃, 1000 h | 9 |
## 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 | Copper | | Item Protective Molding Resistive Element Internal Terminal External Terminal Material Resin Alloy Metal Copper Solder | 3 |
## CAD (KiCad official)
- Symbol: `FMF25FPKR020-LH`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `fmf25fpkr020-lh-etched.step` / `fmf25fpkr020-lh-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fmf25fpkr020-lh.step` / `fmf25fpkr020-lh.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [PSA Prosperity Dielectrics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603171249552179200) (11 pp, sha256 `30a8b45add085187`, retrieved 2026-10-17, tier: lcsc)
- **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/fmf25fpkr020-lh-datasheet.pdf)