Y09440R33000E9L

VCS331, VCS332 Vishay Foil Resistors Bulk Metal® Foil Technology High Precision 4-Terminal Power Current Sensing Resistors with TCR as low as ± 1 ppm/°C Maximum, Tolerance ± 0.1 % and Rise Time 1.0 ns Effectively No Ringing FEATURES PR O DU CT  Temperature coefficient of resistance (TCR): INTRODUCTION The VCS331 and VCS332 offer precision Bulk Metal® Foil technology resistors as low as 0.25  with a temperature coefficient down to 1 ppm/°C maximum and unmatched long term stability. The 4 terminal current sensing resistors, when mounted on a heat sink, can sustain 10 W continuously without an appreciable change in resistance (0.15 % maximum). The typical 50 % power derating specification associated with other technologies is not necessary. A choice of lead configurations is available. IM PR O VE D Our application engineering department is available to advise and make recommendations. For non-standard technical requirements and special applications, please contact us. down to ± 1 ppm/°C max. (see table 2)  Tolerance: to ± 0.1 % (see table 1)  Power rating (heat-sinked): 10 W  Load life stability: ± 0.01 % (100 ppm) at 25 °C, 2000 h at rated power  Resistance range: 0.25  to 500   Vishay Foil resistors are not restricted to standard values; specific “as required” values can be supplied at no extra cost or delivery (e.g. 1R2345 vs. 1R)  Electrostatic discharge (ESD) up to 25 000 V  Non-inductive, non-capacitive design  Rise time: 1.0 ns effectively no ringing  Current noise: 0.010 µVRMS/V of applied voltage (< - 40 dB)  Thermal EMF: 0.05 µV/°C typical  Voltage coefficient: < 0.1 ppm/V  Non-inductive: 0.08 µH  Non hot spot design  Thermal stabilization time < 1 s (nominal value achieved within 10 ppm of steady state value)  Terminal finish: lead (Pb)-free or tin/lead alloy  Prototype quantities available in just 5 working days or sooner. For more information, please contact foil@vishaypg.com  For better performances, please contact application engineering TABLE 1 - CHARACTERISTICS MODEL NUMBER RESISTANCE RANGE BEST TOLERANCE (1) POWER RATING (2) at + 25 °C MAXIMUM CURRENT (2) VCS331, VCS332 0.25  < R < 500  ± 0.1 % 10 W on heat sink (3) or 3 W in free air 5A Notes (1) Tighter tolerance is available - for more details contact application engineering (2) The lower of the two limitations (power or current) is decisive (3) Heatsink - aluminum (6" length x 4" width x 2" height x 0.04" thick) TABLE 2 - TCR CHART (maximum) FIGURE 1 - POWER DERATING CURVE - 55 °C (0 °C TO + 60 °C) to