WWF2JT8R20 Stackpole

WWF Series Stackpole Electronics, Inc. General Purpose and Precision Fusing Wirewound Resistor Resistive Product Solutions Fuses quickly under continuous overload of 15X rated power or greater Features: High performance for low cost High power to size ratio High temperature silicone coating RoHS compliant / lead-free Bulk packaging available contact Stackpole for package quantities Electrical Specifications Dielectric Power Rating (Watts) Ohmic Range ( ) and Tolerance TCR (ppm/C) Type / Code Strength (V) 25C 5% WWFH 500V 0.6W 0.1 - 80K WWF1 500V 1.2W 0.1 - 40K <1 = 90ppm/C WWF1A 500V 1.5W 0.1 - 32K WWF2 1000V 2.5W 0.1 - 19K WWF2A 1000V 3.0W 0.1 - 16K WWF3 1000V 3.7W 0.1 - 13K 1 - 10 = 50ppm/C WWF3A 1000V 4.0W 0.1 - 12K WWF4 1000V 5.0W 0.1 - 10K WWF5 1000V 6.0W 0.1 - 8K WWF7 1000V 8.5W 0.1 - 6K >10 = 20ppm/C WWF7B 1000V 9.0W 0.1 - 5K WWF10 1000V 13W 0.1 - 4K Performance Characteristics Test Results Fuse Test 220 Vac Typically fuses in less than 1 second Moisture Resistance 1% max Load Life 1% Temperature Cycling 0.5% Short Time Overload 1% 120 Power Derating Curve: 100 80 60 40 Characteristic Characteristic Characteristic -55C to +275C 20 Characteristic -55C to +350C 25 75 125 175 225 275 325 Ambient Temperature C Rev Date: 08/20/2012 1 www.seielect.com This specification may be changed at any time without prior notice. marketing seielect.com Please confirm technical specifications before you order and/or use. %% of Rated of Rated PowePowerr WWF Series Stackpole Electronics, Inc. General Purpose and Precision Fusing Wirewound Resistor Resistive Product Solutions Mechanical Specifications D Type / Code AB C Unit (Bulk) (1) 0.312 0.062 0.11 0.031 0.025 0.002 1.500 typ. inches WWFH 7.92 1.57 2.79 0.79 0.62 0.05 38.10 typ. mm 0.375 0.062 0.11 0.031 0.025 0.002 1.500 typ. inches WWF1 9.53 1.57 2.79 0.79 0.64 0.05 38.10 typ. mm 0.42 0.062 0.11 0.031 0.025 0.002 1.500 typ. inches WWF1A 10.67 1.57 2.79 0.79 0.64 0.05 38.10 typ. mm 0.37 0.062 0.156 0.031 0.032 0.002 inches 1.500 typ. WWF2 9.40 1.57 3.96 0.79 0.81 0.05 38.10 typ. mm 0.55 0.062 0.156 0.031 0.032 0.002 1.500 typ. inches WWF2A 13.97 1.57 3.96 0.79 0.81 0.05 38.10 typ. mm 0.56 0.062 0.187 0.031 0.032 0.002 1.500 typ. inches WWF3 14.22 1.57 4.75 0.79 0.81 0.05 38.10 typ. mm 0.5 0.062 0.218 0.031 0.032 0.002 1.500 typ. inches WWF3A 12.70 1.57 5.54 0.79 0.81 0.05 38.10 typ. mm 0.7 0.062 0.27 0.031 0.036 0.002 inches 1.500 typ. WWF4 17.78 1.57 6.86 0.79 0.91 0.05 38.10 typ. mm 0.875 0.062 0.312 0.031 0.036 0.002 1.500 typ. inches WWF5 22.23 1.57 7.92 0.79 0.91 0.05 38.10 typ. mm 1 0.062 0.312 0.031 0.036 0.002 1.500 typ. inches WWF7 25.40 1.57 7.92 0.79 0.91 0.05 38.10 typ. mm 1.2 0.062 0.312 0.031 0.036 0.002 1.500 typ. inches WWF7B 30.48 1.57 7.92 0.79 0.91 0.05 38.10 typ. mm 1.78 0.062 0.375 0.031 0.036 0.002 (2) inches 1.500 typ. WWF10 45.21 1.57 9.53 0.79 0.91 0.05 (2) 38.10 typ. mm (1) SeeResistor Packaging Specification Documen for lead length dimension for tape and reel packaged product (2) Available in 0.040 (1.02 mm) How to Order 12 345 6789 10 WW F 1 J T 1 0 K 0 Product Series Power Tolerance Description Size Resistance Value Size Code Quantity General Purpose and 0.6W Tol WWFH, WWF1, WWF1A H Code 2,500 WWF Four characters with Precision Fusing 1J1.2W 5% WWF2, WWF2A, WWF3, WWF4 2,000 the multiplier used as 1A 1.5W T 11 reel tape WWF3A 750 the decimal holder. 2 2.5W WWF5, WWF7, WWF7B 50 2A 3W WWF10 250 0.1 ohm = R100 3 3.7W 8 Kohm = 8K00 3A 4W 32 Kohm = 32K0 4 5W 5 6W 7 8.5W 7B 9W 13W 10 Rev Date: 08/20/2012 2 www.seielect.com This specification may be changed at any time without prior notice. marketing seielect.com Please confirm technical specifications before you order and/or use.