STEAD brand wirewound resistors are wound with best quality Ni/Cr or Ni/Cr alloy resistance Wire having very low temp. co-efficient on highly alumina based porcelain pipes/rods and wire is protected with high temp. resistance compound. Resistance:400 Ohm,Power Rating: 5 Watts,Approximate Maximum Current: 111.8mA,Pitch: 0.8 inch,Brand: Stead