Medical Application Solution Accurate and stable instrumentation in the medical field requires the ability to detect very small signals, without producing false readings. VPG Ultra-high precision current sensing resistors allows high accuracy and reliability in any medical application. Function Fluid Injection Device • • • • • Customer requirements: Reliable measurements of motor control are necessary to perform injections at precise location High Speed response Low sensitivity to short-time load Surface Mount to reduce space 4 pad Kelvin Connections to improve accuracy Suitable products VCS1625ZP (Z-Foil) Ultra-High precision Z-Foil SMD current sensing chip resistors * Load Life stability: 0.02% @ 70°C, 2k hrs rated * Absolute tolerance: 0.2% * Absolute TCR: 0.05ppm/°C max at 0°C to +60°C * PCR : “∆R due to self heating, 5ppm at rated power * Rise Time: 1ns, effectively no ringing * Short Time overload: <0.005% VCS331Z, VCS332Z (Z-Foil) High precision 4-terminal current sensing chip on heat sink * Load Life stability: 0.005, 3W on heatsink @ 25°C, 2k hrs rated * Resistance tolerance: ±0.01% * TCR: 0.05ppm/°C max at 0°C to +60°C * Power Rating: 10W on heatsink @ 25°C, 3W in free air * Rise Time: 1ns, effectively no ringing * Thermal resistance: 6°C/W www.micross.com 2 Hellesdon Park Road, Norwich, Norfolk, NR6 5DR • +44 • www.micross.com • • • +44(0)1603 (0)1603788967 788967 • www.micross.com [email protected]