Heat sink assembly

Precision resistors for high currents and power and the possibility for mounting on a heatsink. Suitable as a calibration and reference resistor.

TypePictureDescription Design Power Tolerance TCR Resistance (min) Resistance (max) Download
RTO-ARTO-A

2-terminal resistor in ISOTOP housing ** Installed on heat sink

SOT-227B 40** W 1 % 50 ppm/K 0.5 Ω 50 Ω Download
RTO-BRTO-B

4-teminal resistor in ISOTOP housing ** Installed on heat sink

SOT-227B 40** W 0.5 % 50 ppm/K 0.001 Ω 0.470 Ω Download
RUG-ZRUG-Z

DAkkS-calibratable high-load precision resistor. Suitable as calibration and measuring resistor. ** Installed on heat sink

7056 (metrisch) 250** W 0.1 % 1 ppm/K 0.0005 Ω 100 Ω Download

Features

 
  • Permanent power up to 250 W
  • Constant currents up to 387 A
  • Pulse power rating up to 50 J
  • Lowest resistor values start at 0.5 Ω
  • Very low TC start at 1ppm/K
  • RoHS compliant
 

Advantages

 
  • DAkkS-calibration possible (RUG-Z)
  • Ideal for calibration- and metering applications
  • For highest currents and precision
  • Excellent heat dissipation
 

 

All information represents the best possible values.