... and dimensions(mm) 2.3 Characteristics (1) Electrical characteristics (a) Resistance value): R(25°C)=100KΩ +/-1% (b) B(B value):B=4000K ... (τ): τ=10~17 s (in still air) (3) Thermal dissipation constant (δ): δ=1.1~1.6mW/°C (in still air) (4) Operating temperature range:-50~+260 ... )Insulation Resistancen=5,Ac=0,Re=12.3(1)(c)Shape & dimensionsn=5,Ac=0,Re=12.2Appearancen=5,Ac= ...