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The PBH power precision resistor series from Isabellenhütte offers 2-terminal through-hole connection technology for current sensing applications. Designed for easy heat sink mounting, this resistor allows high precision measurements even with a low resistance value range from 0.002Ω to 100Ω. The PBH series from Isabellenhütte has low inductance and has high pulse power handling capabilities.
- Power precision resistor
- 2-terminal through-hole design
- Resistance values 0.002Ω to 100Ω
- Tolerance options of ±0.5%, ±1% and ±5%
- TCR of <±50 ppm/°C (+20°C to +60°C)
- Power rating of 10W on a suitable heat sink (3W in free air)
- Constant current of 70A (0.002Ω)
- Temperature range from -55°C to +125°C
- Space saving design similar to TO247
- Stability of <0.5% (TK=70°C) (at rated power, deviation after 2000h)
- Dielectric withstanding voltage of 500VAC
Typical applications for the PBH power precision resistor series include:
- Power modules
- Frequency converters
- Switch mode power supplies
Isabellenhütte PBH Series Specification Table
| Attributes | Value |
|---|---|
| Resistance Value | 2 mΩ - 100Ω* |
| Tolerance | ±0.5%** / ±1% / ±5% |
| TCR | <±50 ppm/°C (20-60°C) |
| Temperature range | -55°C to +125°C |
| Load Capacity | 3W (10W on heatsink) |
| Internal heat resistance | <4°C/W (Rthi) |
| Thermal heat resistance | <20°C/W (Rth) |
| Inductance | <40nH |
| Stability (deviation after 2000hrs) | <0.5% (Tᴋ = 70°C) Tᴋ = Terminal Temperature |
* Please contact us for available parts or see the ordering information tab
** Tolerance 0.5% for values ≥10 mOhm
Isabellenhütte is one of the world’s leading suppliers of high-quality precision and power resistors. They produce these low-resistance resistors for a variety of applications such as the ones above. Isabellenhütte & Rhopoint Components are your ideal partners when it comes to achieving the best possible measurement results in the smallest spaces. Please visit www.isabellenhuette.de for more information.
