1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 45 14a series alumina body current sense series wattage ohms 14a 4 0.004-0.051 terminals solder-plated copper terminals or copper clad steel depending on ohmic value. encapsulation ceramic cased body derating linearly from 4w@70c to 0w@250c max.voltage (pxr) rms climatic category 55/200/56 tcr varies from +150 to +1100ppm/c based on resistance value. tcr increases as resistance value reduces from 51 to 4milliohms. tcr is tested as per iec specification 115-1 clause 4.8.4.2 tolerance 1% standard. others available. power rating 4w@70c 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. 14afr current sense resistors feature a high tem - perature ceramic body which affords the user higher power densities than similar products which utilize silicone based epoxy molding compounds. the inter - nal construction involves a straight, low inductance, 3-piece welded metal element at 1% tolerance. this series is stocked in 9 popular resistance values for easy accessibility. f e a t u r e s ? ideal for current sensing applications ? 1% tolerance standard ? fixed resistance measuring point ? low inductance ? rohs compliant characteristics series specifica tions (continued)
1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 46 performanc e characteristics test condition maximum ?r endurance at rated power 1000hrs test terminal strength sslovmmvlshllh solderability vlhlhll resistance to solder heat mvlhlshl long term damp heat mvhshl climatic sequence lshl overload ptlhlhhlmvlv standard part numbers ohmic part value number 0.004 14afr004e 0.005 14afr005e 0.008 14afr008e 0.010 14AFR010E 0.015 14afr015e 0.022 14afr022e 0.033 14afr033e 0.047 14afr047e 0.051 14afr051e 14afr051e ohm v alue example: r050= 0.05? t olerance f= 1% 10 series w attage a = alumina molded body rohs compliant 14a series alumina body current sense ordering informa tion 18mm 1 6.40mm .5 36mm 4 0.80mm .05 40mm measuring length series wattage length diam. m lead 14a 4 0.709 / 18 0.252 / 6.40 1.575 / 40 0.031/0.80 dimensions
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