Description: Wire Wound Resistor ( RWS/ RWU ) 1 Instead of
printing color codes on the resistors , we mark our
logo , production date ,
resistor value and wattage to the surface of the resistor, so it is easy to read and is traceable . 2. Two sizes: S: The small size, U : standard size 3. Wattage: S1W , S2W , S3W , S5W , S7W ,S10W 1/2W, 1W, 2W, 3W , 7W, 10W 4 Certificate : ISO certificate , " Green Partner " certificate from SONY Pls visit our website to learn detailed SPEC