Riedon offers the best lead-time in the industry. Average lead-time is 4-5 weeks for wire wound resistors. 1-2 week premium delivery is also available!
Precision Shunt Resistors
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FHR 2-3025 3818 Precision Shunt Resistors |  |
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| Type | FHR 2-3025 FHR 2-3818 | FHR 4-3825 FHR 4-3825H FHR 4-4618 |
|---|---|---|
| Resistance Range | 0.01 to 100 Ohms | 0.001 to 100 Ohms |
| Power Rating free air 70°C for 3825H with heatsink |
3 W 40 W |
3 W 5 W 50 W |
| Thermal Resistance Rthj-c | 2.0 K/W | 1.6 K/W |
| Tolerances from 0R001 from 0R005 from 0R01 from 0R02 |
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1% / 2% / 5% 0.5% / 1% / 2% / 5% 0.1% / 0.25% / 0.5% / 1% / 2% / 5% 0.1% / 0.25% / 0.5% / 1% / 2% / 5% |
| Stability | 0.1% / 0.2% / 0.5% (depends on stress) |
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| Temperature Coefficient Standard Option 1 |
±15ppm/K (20 to 60°C) R ≤ 0R2 TCR (see Table A) |
±15ppm/K (20 to 60°C) R ≤ 0R2 TCR (see Table A) ±10ppm/K (20 to 60°C) (only contact A and K) |
| Max. Current | 50A - Contact K 150 A - Contact A 200 A - Contact F |
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| Voltage Proof | 500 VDC | |
| Thermal EMF | < 0.1µV/K | |
| Operating Temperature Range | -40 to 130°C | |
| Resistor Material | CuNiMn-Foil | |
| Substrate | anodized aluminum | |
| Housing | Epoxy | |
| Connector Material | Cu tinned | |
| Terminals | 2 | 4 |
| Max. torque | 1 Nm | |
