power derating curve temperature curve high power resistors type fc series literature no. 1773215 issued: 04-05 dimensions are shown for reference purposes only. dimensions are in millimetres unless otherwise specified. specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com key features up to 8 watts at 70? choice of height profiles flame retardant proven reliability resistant to pcb solvents mechanised assembly widely available via distribution type fc series this small size pluggable, high power resistor is a popular product in the tyco cgs range. the resistors are wirewound on to an inert core of glass fibre. the leads and end cap assemblies are firmly crimped onto the core and winding. a particularly resilient silicone cement coating provides an insulating, humidity proof and flameproof seal. they are available in a choice of height profiles and the fcx type is supplied with axial leads. the fc series is widely used in moni- tors, power supplies, white goods and brown goods where a low cost, high power resistor is required. dimensions characteristics - electrical fc2 fc4 fc6 fc8 fc10 watts at 70?: 2.0 4.0 5.0 6.5 8.0 tcr400 - 50ppm?: r20-r30 r30-r39 r47-r56 r68-r91 r91-1r2 tcr+40/80ppm?: r33-47r r47-82r r68-120r 1r0-220r 1r3-250r tcr-20ppm?: 56r-3k9 100r-5k6 150r-15k 270r-20k 270r-22k characteristics - environmental resistance tolerance: 5% 10% (<1r0 = 10%) shelf life: ? r 2% maximum after 3 years load life: ? r 3% maximum after 1000 hours, rated power overload: ? r 2% maximum after 10 x rated power 5 seconds climatic category: 55/200/56 ? r 3% maximum maximum continuous operating voltage: (power x resistance) or ac rms flammability: bs415 clause 20:1 marking: resistance value - resistance tolerance - lot no. style n ?.2 p (max.) nom. weight (g) fc2 10.2 19.2 1.2 fc4 15.2 24.2 1.3 fc6 25.4 34.4 1.6 fc8 35.6 44.6 1.8 fc10 45.7 54.7 2.1 how to order fc a 4 1k0 j common part a - low profile standoff radial b - high profile standoff radial x - axial leaded resistor resistor package 2 - 2 watts 4 - 4 watts 6 - 5 watts 8 - 6.5 watts 10 - 8 watts power rating @ 70? resistance value fc - fibre core resistor 0.1 ohm (100 mille ohms) r10 1.0 ohm (1000 mille ohms) 1r0 1k ohm (1000 ohms) 1k0 tolerance j - 5% k - 10% below 1r0 0 100 200 300 400 temperature (?) 0 1.5 3.0 4.5 6.0 7.5 9.0 power rating (watts) fc()4 fc()6 fc()8 fc()10 120 100 80 60 40 20 0 admissible power as % of full rating 350 300 250 200 150 100 50 0 temperature rise (?)
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