Arcol HS300 1R F Wire Wound Resistor Aluminum Housing, Power 300 W Manufacturer ARCOL Type of resistor wire round Mounting screw Resistance 1? Power 300W Tolerance 1% Max. operating voltage 2.5kV Body dimensions 128x72.5x41.8mm Resistor features needs additional heatsink Temperature coefficient 100ppm/C Leads screw M6 Mounting holes pitch 104x59mm Power without heatsink 60W We take our reputation seriously, we buy and sell online, so we understand the value of trust! If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction! Thanks for looking at our listing and supporting our small family business! SHELF: 59 NT/DA