WFF Datasheet (Welwyn Components Limited) - Fast Fusible Metal Film Resistors

WFF, Fast Fusible Metal Film Resistors

Fast Fusible Metal Film Resistors WFF Series Welwyn Components Low power fusing Predictable fusing characteristics Flameproof protection www.DataSheet4U.com Electrical Data WFF1/4 Power rating at 70˚ C Resistance range Limiting element voltage TCR Resistance tolerance Standard values Thermal impedance Ambient temperature range ˚ C/watt ˚C 150 watts ohms volts ppm/˚ C % 0.25 0R1 - 10K 250 WFF1/2 0.5 0R10 - 27K 350 250 5 E24 preferred 120 -55 to 155 100 WFF1 1 0R