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The FHR 2-3025 precision power shunt resistor series from Powertron offers a through-hole connection. Designed for easy heat sink mounting to provide a power rating of 40W, offers a resistance range from 0.01Ω to 100Ω with tolerance from 0.25% to 5% (depending on the resistance value required). The FHR 2-3025 series from Powertron has a TCR of ±50 ppm/°C (20°C to 60°C) with a very low inductance and stability from 0.1%.
- Precision power shunt resistor
- Through-hole
- Resistance range from 0.01Ω to 100Ω
- Tolerance options of ±0.25%, ±0.5%, ±1%, ±2% and ±5%
- TCR of <±50 ppm/°C (+20°C to +60°C)
- Temperature range from -40°C to +130°C
- Power rating of 40W on a suitable heat sink
- Power rating of 3W in free air
- Maximum current of 150A
- Designed for easy heat sink mounting
- Low self-heating
Typical applications for the FHR 2-3025 precision power shunt resistor series include:
- Current sources
- Laboratory power supplies
- Measurement equipment
- Reference resistors in laboratories
Powertron FHR 2-3025 and 2-3818 Specification Table
| Attributes | Value |
|---|---|
| Resistance value * | 0.01Ω to 100Ω |
| Tolerance | ±0.25% / ±0.5% / ±1% / ±2% / ±5% |
| TCR | <±50 ppm/°C (20-60°C) |
| Temperature range | -40°C to +130°C |
| Power rating | 3W (free air) / 30W (on a suitable heatsink) |
| Thermal resistance | 2.0 K/W |
| Stability (1000h) | 0.1% / 0.2% / 0.5% (depends on stress) |
| Voltage proof | 500 VDC |
| Maximum current | 150A |
| Thermal EMF | 0.1 µV/K |
* Please visit the Ordering Info tab or contact us for further details
Powertron GmbH is a leading manufacturer of precision and higher power resistors in various package sizes, who are part of VPG Foil Resistors product group. Founded in 1990, they produce low-resistance and high-end resistive solutions utilising their thick film technology for a variety of applications such as the ones above. With Powertron resistors, designers can significantly reduce circuit errors and greatly improve overall circuit performance by taking advantage of their technologies and customer-oriented products, designed to satisfy challenging technical requirements. Please visit http://www.vishaypg.com/powertron for more information.
