? supplier : samsung electro-mechanics ? samsung p/n: rc3216j***cs ? product : thick - film chip resistor ? description : 3216, 5%, (1 ? ~10 ? ), 1/4w rc 3216 j *** cs ? code designation samsung thick - film chip resistor dimension 321 6 (mm code) l : 3.2 0.2 mm w : 0.15 mm t : 0.1 mm resistancs tolerance 5 % nominal resistance value 3digits - left 2 digits : resistance value, right 1 digits : exponential number of 10. ex) 101 : 1010 1 = 1010 = 100? 4digits - left 3 digits : resistance value, right 1 digits : exponential number of 10. ex) 4222 : 42210 2 = 422100 = 42.2? read alphabet "r" as decimal point "000" : jumper(0 ? ) ex) 3r7 : 3.7 = 3.7 ? / 88r7 : 88.7 = 88.7 ? packing code 7" reel packaging b. samsung reliablility test and judgement condition resistor jumper resistor jumper direct current within the regulated resistance 50m ? max voltage apply within 5 sec resistance tolerance. short-time less than (1%+0.1 ? )of the initial value 50m ? max apply 2.5 times rated voltage for 5sec max surge overload no evidence of mechanical damage current intermittent less than (3%+0.1 ? )of the initial value 50m ? max 2.5 times of rated voltage. max surge overload no evidence of mechanical damage 1 sec on, 25 sec off / 10,000cycles current dielectric no evidence of mechanical damage apply voltage for 1minute withstanding voltage 0603:50v insulation over 1,000m ? 1005,1608:100v resistance other: 500v j-grade test temperature( ) 20 -55 /20 125 temperature 1 ? r<10 ? :+300/-200ppm/ t.c.r(ppm/ ) = characteristic 10 ? r 1m ? :100ppm/ (0603250ppm) 1m ? bending test less than (0.5%+0.05 ? )of the initial value 50m ? max 3mm of bending shall be applied no evidence of mechanical damage for 5sec. adhesive strength no mechanical damage or sign of disconnection test strengh : 5n of termination test time: applying pressure for 10seconds resistance to less than (1%+0.05 ? )of the initial value 50m ? max 2605 , 10 sec soldering heat no evidence of mechanical damage anti-vibration less than (1%+0.05 ? )of the initial value 50m ? max test amplitude : 1.5mm test no evidence of mechanical damage frequency 10 ? -55 ? -10 ? / 2hr in x,y,z direction. temperature less than (1%+0.1 ? )of the initial value 50m ? max 100cycles, -55 /30min ? 125 /30min cycle no evidence of mechanical damage sweep time:5min load life less than (3%+0.1 ? )of the initial value 50m ? max test voltage: rated voltage / 702 no evidence of mechanical damage 1,000hours(90min:on , 30min:off) low temp. less than (3%+0.1 ? )of the initial value 50m ? max dwell in -55 chamber without loading exposure no evidence of mechanical damage for 1,000hours high temp less than (3%+0.1 ? )of the initial value 50m ? max dwel in 125 or 155 chamber without loading exposure no evidence of mechanical damage for 1,000hours moisture less than (3%+0.1 ? )of the initial value 50m ? max test voltage: rated voltage / 402 resistance no evidence of mechanical damage 1,000hours(90min:on,30min:off) / 90~95% rh c. recommended soldering method : reflow ( reflow peak temperature : 260+0/-5 , 10sec. max ) * for the more detail specification, please refer to the samsung chip resistor catalogue. judgement test condition
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