Arcol rws7 series smd precision power wirewound resistors 7w 5 arcol rws7 3k3 j tr a 33komega 7w 5 surface mounting precision power wirewound resistor from the arcol rws 7 series the resistor has been designed to meet the need for increased power handling capability in surface mount components an optimised thermal design gives greater efficiency and improved surge capacity whilst at the same time reducing surface temperature rise and long term thermal damage to boards and adjacent comp