Power Control

Rhopoint Components have an extensive range of Power Control products designed for various applications within the industry.

Range of standard resistors for calibration purposes from Alpha Electronics and Isabellenhütte.

Vast selection of precision and ultra-precision resistors, current sensing shunts and low ohmic resistors and power resistors in various through-hole and surface-mount packages in virtually any resistance value from Alpha Electronics, Caddock, Isabellenhütte, Riedon and Susumu.

Range of NTC and PTC thermistors and inrush current limiters from Ametherm.

High quality, high voltage relays handling up to 15kV from Cynergy3
Data acquisition modules from DGH with number of analog and digital input and output options, offering possibility to easily set up a customised plug-and-play data acquisition system.

Isabellenhütte’s innovative solution for battery management system applications – the IsaSCALE IVT-S is a plug-and-play module for precise current and voltage measurement in package fitting into palm of your hand.

Robust, high quality general purpose and precision load cells in range of packages by Lord Sensing Stellar Technology.

Variety of digital isolators from NVE Corporation based on their patented spintronic GMR technology.

  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 220Ω (at 25°C)
  • Maximum steady state current of 2A
  • Maximum recommended energy of 72J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +0°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 2Ω (at 25°C)
  • Maximum steady state current of 18A
  • Maximum recommended energy of 90J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +214°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 2.5Ω (at 25°C)
  • Maximum steady state current of 8A
  • Maximum recommended energy of 90J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +162°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 2.5Ω (at 25°C)
  • Maximum steady state current of 10A
  • Maximum recommended energy of 90J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +192°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 2.5Ω(at 25°C)
  • Maximum steady state current of 15A
  • Maximum recommended energy of 90J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +172°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 30Ω ±20% (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 80J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +172°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 40Ω (at 25°C)
  • Maximum steady state current of 5A
  • Maximum recommended energy of 63J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +162°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 47Ω(at 25°C)
  • Maximum steady state current of 3A
  • Maximum recommended energy of 90J
  • Voltage ratings of 120VAC and 240VAC
  • Maximum disc diameter 22mm
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 4Ω (at 25°C)
  • Maximum steady state current of 14A
  • Maximum recommended energy of 100J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +214°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 50Ω(at 25°C)
  • Maximum steady state current of 4A
  • Maximum recommended energy of 80J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +162°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 25°C)
  • Maximum steady state current of 6A
  • Maximum recommended energy of 50J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +165°C at maximum current
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 5Ω (at 25°C)
  • Maximum steady state current of 12A
  • Maximum recommended energy of 100J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +214°C at maximum current
  • Caddock
  • Current sensing resistor
  • Resistance range from 0.02Ω to 10Ω
  • Tolerance from ±1.0% to ±5.0%
  • TCR of -20 to +80, 0 to +200 or +300 ppm/°C
  • Power rating of 1W at 70°C
  • Temperature range from -55°C to +150°C
  • Ametherm
  • Inrush current limiting thermistor
  • Resistance of 60Ω (at 25°C)
  • Maximum steady state current of 3A
  • Maximum recommended energy of 72J
  • Voltage ratings of 120VAC and 240VAC
  • Body temperature of +162°C at maximum current
  • Caddock
  • TO-220 style power through-hole resistor
  • Kool-Pak® clip mount design
  • Non-inductive
  • Up to 60A continuous current at +25°C case temperature (0.02Ω and above)
  • Excellent pulse / surge performance
  • Operation up to +150°C case temperature
  • Electrically isolated case
  • Caddock
  • D-pak style power surface-mount resistor
  • Low resistance values down to 0.02Ω for current sense applications
  • Non-inductive design
  • Up to 25W power rating at +25°C case temperature
  • Voltage rating of 200V
  • Metal tab assists in post surface-mount soldering inspection
  • Resistor element is electrically isolated from the metal heat sink tab