ohmite mfg. co. 1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 17 10 series axial wire element current sense standard part number s for 10 series ohmic 2 terminal 4 terminal value 2 watt 3 watt 5 watt 3 watt 4.5 watt 7 watt 0.005 12fr005 13FR005 15fr005 13fpr005e 14fpr005e 17fpr005e 0.010 12fr010 13fr010 15fr010 13fpr010e 14fpr010e 17fpr010e 0.015 12fr015 13fr015 15fr015 13fpr015e 14fpr015e 17fpr015e 0.020 12fr020 13fr020 15fr020 13fpr020e 14fpr020e 17fpr020e 0.025 12fr025 13fr025 15fr025 13fpr025e 14fpr025e 17fpr025e 0.030 12fr030 13fr030 15fr030 13fpr030e 14fpr030e 17fpr030e 0.040 12fr040 13fr040 15fr040 13fpr040e 14fpr040e 17fpr040e 0.050 12fr050 13fr050 15fr050 13fpr050e 14fpr050e 17fpr050e 0.060 12fr060 13fr060 15fr060 13fpr060e 14fpr060e 17fpr060e 0.070 12fr070 13fr070 15fr070 13fpr070e 14fpr070e 17fpr070e 0.075 13fpr075e 14fpr075e 17fpr075e 0.080 12fr080 13fr080 15fr080 13fpr080e 14fpr080e 17fpr080e 0.090 12fr090 13fr090 15fr090 13fpr090e 14fpr090e 17fpr090e 0.100 12fr100 13fr100 15fr100 13fpr100e 14fpr100e 17fpr100e 0.150 13fr150 15fr150 0.200 13fr200 15fr200 0.250 15fr250 l max. d .010 / 0.3 1.562 0.062 / 39.7 1.6 d .002 / 0.05 m dimensions (in. / mm) series wattage ohms length diam. m lead ga. 12 2 0.005-0.10 0.416 / 10.6 0.094 / 2.4 1.156 / 29.4 20 13 3 0.005-0.20 0.570 / 14.5 0.205 / 5.2 1.310 / 33.3 20 15 5 0.005-0.25 0.935 / 23.8 0.330 / 8.4 1.675 / 42.5 18 f e a t u r e s ? ideal for current sensing applica- tions ? 1% tolerance standard, others available ? fixed resistance measuring point m ? low inductance (non-inductive below 0.25 ) ? rohs compliant product avail- able; add e suffix to part num- ber to specify specifi cations material terminals: solder-plated copper terminals or copper clad steel depending on ohmic value. rohs solder composition is 96% sn, 3.5% ag, 0.5% cu encapsulation: silicone molding compound. derating linearly from 100% @ +25c to 0% @ +275c. electrical tolerance: 1% standard. others available. power rating: based on 25c free air rating. overload: 5 times rated wattage for 5 seconds. dielectric withstanding voltage: 1000 vrms for 3 and 5 watt; 500 vrms for 2 watt. insulation resistance: not less than 1000m . thermal emf: less than 2v/c. temperature range: -55c to 275c. l +.015 / +0.4 d +.015 / +0.4 a (min.) b .010 / 0.03 0.032 .002 0.81 .05 (20 awg) ordering information ??? ? ????? ohm value example: r050= 0.05? tolerance f= 1% d= 0.5% 10 series wattage terminals blank =2 terminals p= 4 terminals rohs compliant dimensions (in. / mm ) series wattage ohms length diam. a b 13 3 0.005-0.1 0.625/ 15.9 0.200/5.08 1.25/31.8 0.125/3.18 14 4.5 0.005-0.1 1.060/ 26.9 0.335/8.51 1.50/38.1 0.200/5.08 17 7 0.005-0.1 1.500/ 38.1 0.375/9.53 1.50/38.1 0.200/5.08 f eatures ? ideal for current sensing applica - tions ? 1% tolerance standard, others available ? low inductance (non-inductive below 0.25 ) ? tinned copper leads ? rohs compliant specifi cations material terminals: tinned copper leads encapsulation: silicone molding compound derating linearly from 100% at +25?c to 0% at +200?c ohmites four-terminal current-sense resistors are specifically designed for low-resistance applications requiring the highest accuracy and temperature stability. this four-terminal version of ohmites 10 series resistor is specially designed for use in a kelvin configuration, in which a current is applied through two opposite terminals and sensing voltage is measured across the other two terminals . the kelvin configuration enables the resistance and tempera - ture coefficient of the terminals to be effectively eliminated. the four terminal design also results in a lower temperature coef - ficient of resistance and lower self-heating drift which may be experienced on two-terminal resistors. the requirement to con - nect to the terminals at precise test points is eliminated, allowing for tighter tolerancing on the end application. electrical resistance range: 0.005 to 0.100 standard standard tolerance: 1%; oth - ers available operating temperature range: -55?c to +200?c temperature coefficient of resistance, 0?c to 85?c : 0.015 : 50 ppm/?c <0.015 : 100 ppm/?c environmental performance: exceeds the requirements of mil-prf-49465 power rating: based on 25?c free air rating. overload: 5 times rated wattage for 5 seconds max. current: 22 amps dialectric withstanding voltage: 1500 vac for 4.5 and 7 watt 1000 vac for 3 watt insulation resistance: not less than 1000 m thermal emf: less than 2v/?c four terminal axial two terminal axial 0 500 400 300 200 100 milliohms 10 20 4030 50 600 700 0 ppm/c 2 watt 3 watt 5 watt temperature coefficient of resistance check product availability at www.ohmite.com
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