WA87

WA80_D.qxd 8/6/04 10:58 AM Page 1 General Purpose Cement Coated Wirewound Resistors WA80 Series Welwyn Components • Cost effective • Flameproof protection • Can replace carbon comp. in many applications • Resistance values down to 0.01 ohms • Ideal for pulse handling applications Electrical Data WA82 Power rating at 25°c Power rating at 70°c Resistance range Limiting element voltage Isolation voltage TCR Resistance tolerance Values Thermal impedance Ambient temperature range °C/watt °C 140 110 82 - 55 to 155 watts watts ohms volts volts ppm/°C % 1 .86 0R068 to 430 50 250 WA83 2.0 1.6 0R05 to 900R 50 250