CURRENT SENSING RESISTORS

These space saving components feature E-Beam welded construction and full RoHS compliancy. Available in2-terminal or 4-terminal Kelvin connections. Other features include a 55 ampere continuous operating currentand an inductance of less than 10nH.SPECIFICATIONSModel PowerRating Resistance [ohms] Tolerance BWT-2 2W 0.003-0.020 +-1%, +-5% BWT-4 5W 0.0005-0.010 CHARACTERISTICS Values in [ ] mean change in ohmic value after testTest BWT 2 BWT4 Temperature Coefficient (-55C to 125C) [<50PPM/C] [<50PPM/C] Moisture Resistance [<0.5%] [<1.0%] Thermal Shock [<1.0%] [<1.5%] Temperature Cycle (-55C to 125C, 1000hrs.) [<0.5%] [<1.0%] High Temperature Exposure (125C, 1000hrs.) [<1.0%] [<1.75%] Mechanical Shock [<0.5%] [<1.0%] Vibration [<0.5%] [<1.0%] Soldering Heat [<0.5%] [<1.0%] Solderability [Meets J-STD-002] [Meets J-STD-002] Load Life (1000hrs, 70C) [<0.5%] [<1.0%] DIMENSIONSType A B C D E F G H T+-0.05 BWT-2 15.6+-0.10 14.0+-0.10 13.6+-0.05 4.0+-0.05 1.2+-0.05 17.0+-0.10 / / 0.32 BWT-4 22.0+-0.25 10.8+-0.25 20.3+-0.13 5.1+-0.13 7.6+-0.13 14.0+-0.25 4.5+-0.25 1.57+-0.13 0.35to 1.80 ORDERING PROCEDURE EXAMPLE