Today, designers of analog circuits are demanding discrete power current sense resistors that approach the ideal in performance … stable, high speed, high accuracy components that will operate with assured, predictable reliability for years in a variety of environments. Foil is meeting those demands with the VCS232Z of unequalled performances. These four fundamental factors determine how “ideal” a precision power current sense resistor will be:
1. Initial resistance value or how closely the absolute resistance value can be achieved
2. How precisely the value of individual resistors can be controlled
3. How precisely the end of life tolerance is maintained under a wide range of operating conditions and stress factors (temperature, humidity, load, etc.)
4. Fast response without ringing and fast thermal stabilization - and the ability of the resistor to react to rapid switching without adversely affecting the circuit function.