A range of high quality wirewound resistors sealed ina high insulation ceramic block. The block is heat & moisture resistant & non-flammable. The resistors are low noise very stable & have an overload capability of ten times the rated power for 5 seconds. value 4k 7 is metal oxide film & has an overload capability of five times the rated power for 5 seconds. Power rating 10W 70 CToleranceplusmn 5 Temperature coefficientplusmn 300ppm CWorking voltage 500V 1k V peak Dimensions of body 49 x 10 x 9mm The following values Omega are available 0.1 Omega 1 Omega 10 Omega 100 Omega 1k 15 Omega 0.22 Omega 2.2 Omega 22 Omega 3.3 Omega 33 Omega 3.9 Omega 0.47 Omega 4.7 Omega 47 Omega 470 Omega 4k 70.56 Omega 5.6 Omega 6.8 Omega 68 Omega 8.2 Omega To order write H & then the value.E.g. H0.47 H8.2R H10R H100R etc.