for technical questions in the americas, contact foilsupport1@vishay .com for technical questions in asia/japan/europe/africa/israel, contact foilsupport2@vishay .com www.vishay.com 109 vcs101, vcs103, vcs401 vishay foil resistors document number: 63016 revision 04-mar-05 through hole ?israel: foilsales.israel@vishay .com ?france/switzerland/southern europe: foilsales.eusouth@vishay .com ?americas: foilsales.usa@vishay .com ?asia/japan: foilsales.asia@vishay .com ?uk/holland/scandinavia: foilsales.eunorth@vishay .com ?germany/czech republic/austria: foilsales.eucentral@vishay .com sales bulk metal technology precision, low value, current sense/current shunt resistors features low ohmic values: 0.005 ? to 0.25 ? resistive tolerance: to 0.1% temperature coefficient of resistance (tcr): 20ppm/ c at 0.1 ? , available to 15ppm/ c contact applications engineering for tighter limits 4 leads for kelvin connection power rating: to 1.5 watts at + 25 c (free air) maximum operating temperature: + 175 c lead (pb)-free available model vcs401 current shunt introduction model vcs101, vcs103 and vcs401 resistors are available in 2 configurations. this bulk metal resistor can serve as a low ohm, high power resistive shunt or as a medium power current sensing resistor. resistors are non insulated. our applications engineering department is prepared to advise and to make recommendations for non standard technical requirements and special applications, please contact us. model resistance tightest power rating maximum dimensions number range resistance at + 25 c current ( ? ) tolerance (%) inches (mm) vcs101* 0.005 to 0.01 ? 1 1 watt 15 amps h 0.130 (3.30) 0.01 to 0.05 ? 0.5 w 0.080 (2.03) 0.05 to 0.2 ? 0.1 vcs401* 1 watt 3 amps h 0.130 (3.30) w 0.080 (2.03) vcs103* 0.005 to 0.01 ? 1 1.5 watt 15 amps h 0.190 (4.83) 0.01 to 0.05 ? 0.5 w 0.080 (2.03) 0.05 to 0.25 ? 0.1 model vcs101 current sensor h w 0.500 min. 0.520 0.020 0.200 0.030 0.920 0.020 leads 0.040 x 0.005 tin plated copper i 1 i 2 e 2 e 1 leads 0.032 diameter solder coated copper (#20 awg) model vcs103 current sensor leads 0.040 x 0.005 tin plated copper h w 0.500 min. i 1 i 2 e 2 e 1 0.520 0.020 0.500 min. 0.689 0.020 i 1 i 2 e 2 e 1 0.040 diameter lead solder coated copper (#18 awg) 0.032 diameter lead solder coated copper (#20 awg) 1.083 0.020 0.630 0.200 0.030 h w figure 1 - dimensions and schematic table 1 - characteristics and dimensions applications high precision instrumentation automatic test equipment current sensing application industrial medical military measurement instrumentation * tighter performances are available, please contact application engineering department
for technical questions in the americas, contact foilsupport1@vishay .com for technical questions in asia/japan/europe/africa/israel, contact foilsupport2@vishay .com document number: 63016 revision 04-mar-05 www.vishay.com 110 vcs101, vcs103, vcs401 vishay foil resistors through hole ?israel: foilsales.israel@vishay .com ?france/switzerland/southern europe: foilsales.eusouth@vishay .com ?americas: foilsales.usa@vishay .com ?asia/japan: foilsales.asia@vishay .com ?uk/holland/scandinavia: foilsales.eunorth@vishay .com ?germany/czech republic/austria: foilsales.eucentral@vishay .com sales +100 +75 +50 +25 -50 0 +50 +100 +150 +200 +25 0 ambient temperature c percent of rated power -55 c +25 c +175 c specify vishay vcs101, vcs103 and vcs401 resistors as follows: example: a = 0.05% b = 0.1% c = 0.25% d = 0.5% f = 1.0% t = lead (pb)-free j = 5% vcs101 none = tin/lead alloy 0r0100 k = 10% model no. termination resistance value tolerance test or condition vcs101, vcs103 and vcs401 maximum ambient temp. at rated power + 25 c maximum ambient temp. at zero power + 175 c temperature coefficient see table 3 thermal shock 0.05% short time overload 0.5% terminal strength 0.1% high temperature exposure 1.0% moisture resistance 0.1% low temperature storage 0.05% shock (specified pulse) 0.1% vibration (high frequency) 0.1% life (rated power, + 25 c, 2,000 hrs.) 3.0% resistance tolerance 0.1%, 1%, 3%, 5%, 10% * ? r's plus additional 0.0005 ohm for measurement error. value tc (ppm/ c) 0.005 ? to 0.01 ? 90 > 0.01 ? to 0.05 ? 30 > 0.05 ? to 0.25 ? 20 figure 2 - power derating curve further derating not necessary. table 4 - ordering information table 2 - vcs101, vcs103 and vcs401 performance* table 3 - tc specifications bulk metal technology precision, low, value current sense/current shunt resistors for example: vcs1010r0100f, model: vcs101, termination: tin/lead, value: 0.01 ? , tolerance: 1.0%
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