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thick film chip resistor arrays ( l ead - f ree for cnc r2 4 concave reverse type ) document no tcn cr - 240s001 b revise d date 20 12/11/06 page number 1 / 8 ta - i technology co., ltd 1. scope : this specification applies for the cn c r 24 concave type of thick film chip resistor arrays made by ta - i. 2. construction , dimensions , schematic : 2.1 construction : 2. 1.1 chip resistor arr ays : top side bottom 2.2 dimension : unit:mm type l w t a b c d p cnc r 24 2.0 0.1 1.0 0.1 0.4 5 0.1 0. 3 0.1 0 .15 0.1 0. 25 0.1 >0.6t 0.50 0. 1 ceramic substrate plating ni + sn conductor over coat
thick film chip resistor arrays ( l ead - f ree for cnc r2 4 concave reverse type ) document no tcn cr - 240s001 b revise d date 20 12/11/06 page number 2 / 8 ta - i technology co., ltd 2.3 schematic 3. type designation: 3.1 chip resistor arrays cnc r 24 j t n 10 2 product code size tolerance packaging nominal cnc r : chip resistor ar rays power rating resistance concave reverse type 24 - 0402*4 j - 5% f - 1 % t - paper tape n C lead free 3 digits e.g.,: (e - 24) 10 2 = 1k 4 digits e.g. : (e - 96) 1540 = 154 thick film chip resistor arrays ( l ead - f ree for cnc r2 4 concave reverse type ) document no tcn cr - 240s001 b revise d date 20 12/11/06 page number 3 / 8 ta - i technology co., ltd 4 . ratings & characteristics : type powerrating at 70 rating voltage max .working voltage max. overload voltage operating temp.( ) resistance tolerance(%) resistance range ( ) temp coefficient ppm/ cn c r 24 1/16w refer 4.2 25v 50v - 55 ~ +125 5 % 10 ~ 1m Q 300 0 thick file chip resistor arrays type rated current max overload current resistance range cnc r 24 1a 2.5 a 50m max 4 .1 derating curve : for resistors operated at ambient temperature over 70 , power rating shall be derated in accordance with figure 1. figure 1 4.2 rated voltage: the rated voltage is calculated by the following formula: e= p * r e= rated voltage(v) p= rated power(w) r= resistance value ( ) e.g. : what is cn c r 24jtn102 the rated voltage ? cn c r 24jtn102 p:1/16w ; r:102 = 1k = 1000 e = 0.062 5(w) * 1000( ) = 7.9 (v) 125 thick film chip resistor arrays ( l ead - f ree for cnc r2 4 concave reverse type ) document no tcn cr - 240s001 b revise d date 20 12/11/06 page number 4 / 8 ta - i technology co., ltd 5. reliability tests: test items reference standard condition of test test limits ( ) temperature coefficient of resistance iec60115 - 1 - 4.8 j is - c520 1 - 1 - 4.8 - 5 5 ? +125 refer 4.0 short time overload iec60115 - 1 - 4.13 j is - c520 1 - 1 - 4.13 2.5 x rated voltage for 5 s ec ( 2.0 % + 0.1 ) 0 : 50m or less intermittent overload ec60115 - 1 - 4.39 j is - c520 1 - 1 - 4.39 2.5 x rated voltage or max overloading voltage , 1 sec on 25 sec off , 10000 c ycles ( 5.0% + 0.1 ) 0 : 50m or less load life iec60115 - 1 - 4.25.1 j is - c520 1 - 1 - 4.25.1 1000 hours at rated voltage , 70 , 1.5hours on , 0.5hour off 1%:(1.0%+0.05) 5%:(3.0%+0.1) 0 : 100m or less load life with humidity i ec60115 - 1 - 4.24 j is - c520 1 - 1 - 4.24 1000 hours at rated voltage , 40 2 , 90~95% rh 1.5hours on , 0.5hour off 1%:(1.0%+0.05) 5%:(3.0%+0.1) 0 : 100m or less rapid change of temperature i ec60115 - 1 - 4.19 j is - c520 1 - 1 - 4.19 - 55 (30 min. ) / +12 5 (30 min. ) 5 cycl es 1%:(0.5%+0.05) 5%:(1.0%+0.05) 0 : 50m or less solderability i ec60115 - 1 - 4.17 j is - c520 1 - 1 - 4.17 2 45 5 solder, 2 0.5 sec dwell. solder : sn96.5 / ag3.0 / cu0.5 at least 95% of surface area of electrode shall be covered with new solder. core body i e c60115 - 1 - 4.1 5 j is - c520 1 - 1 - 4.1 5 pressure 1.0 kgf a r0.5 pressure rod for 10 sec without mechanical damage such as breaks. electrical characteristics shall be satisfied dielectric withstanding voltage (voltage proof) i ec60115 - 1 - 4.7 j is - c520 1 - 1 - 4.7 applying volt age 100v for 1 minute. no abnormalities such as flashover, burning dielectric breakdown shall appear. resistance to solder heat i ec60115 - 1 - 4.18 j is - c520 1 - 1 - 4.18 2 7 0 5 solder , 10 1 sec dwell . 1%:(1.0%+0.05) 5%:(2.0%+0.1) 0 : 50m or less note* : rcwv : rated continuous working voltage . 6. marking 6 .1 resistance value is expressed by 3 digits, the first two digits represent the significa nt figures of nominal resistance value in , and the third digit represents exponent for base of 10. e.g. 102 = 10 10 2 = 1 k r r ? thick film chip resistor arrays ( l ead - f ree for cnc r2 4 concave reverse type ) document no tcn cr - 240s001 b revise d date 20 12/11/06 page number 5 / 8 ta - i technology co., ltd 6.2 resistance value is expressed by 4 digits , the first three digits represent the significant figures of nominal resistance value in , and the fourth digit represents exponent for base of 10. e . g. 4701 = 470 10 1 = 4700 = 4.7k 7. taping & reel 7 .1 taping dimensions 7.1.1 2 mm pitch paper unit: mm type a b w f e p1 p2 p0 d0 t0 cn c r 24 1.2 0.1 2.2 0. 1 8.0 0.2 3.5 0.05 1.75 0.1 2.0 0. 05 2.0 0.05 4.0 0.1 +0.1 1.5 - 0 +0. 2 0.6 - 0 package type pa p er tape 2 mm pitch 1 7 8mm / r cnc r 24 10000 7. 2 reel specifications thick film chip resistor arrays ( l ead - f ree for cnc r2 4 concave reverse type ) document no tcn cr - 240s001 b revise d date 20 12/11/06 page number 6 / 8 ta - i technology co., ltd unit: mm type a b c w t cnc r 24 178 .0 2.0 60 or more 13.0 1.0 9. 0 1.0 11. 5 1.0 7. 3 peel off strength: peel C off force of paper and blister tape is in accordance with jis - c5202 that is , 0.1 to 0.7 n at a peel - off speed of 300 mm / minute. pull top cover tape P 300mm/min 10 ? 15 standard : 0.1 ? 0.7n carrier tape 8. label 8.1 manufacture label : 8.1.1 chip resistor arrays date code resistance toleran ce type l ot n o : 8 .2. customer label ( by customer request ) : 8.2.1 chip resistor arrays qty: 10000 pcs 102 j 6 314 0 07 6 k - 0 63 1 cnc r 24j t ta - i tech lead free 0402 8p4r 5% 1k 21 - 283 - 621004 cn c r24jt102 04.05.21 lead - free product date product spec customer no thick film chip resistor arrays ( l ead - f ree for cnc r2 4 concave reverse type ) document no tcn cr - 240s001 b revise d date 20 12/11/06 page number 7 / 8 ta - i technology co., ltd 9. recommended land patterns land pattern type size dimension ( mm ) a b p f cnc r 24 0.4~0.5 0.25~0.3 0.5 2.0 10. recommend ir C reflow profile : (solder : sn96.5 / ag3 / cu0.5) peak : 2 5 0 , 5 sec pre C heat zone : 150 to 180 , 90 30 sec soldering zone : 230 or higher , 30 10 sec solder resist land chip resistor array p f a b 0 5 ? ? thick film chip resistor arrays ( l ead - f ree for cnc r2 4 concave reverse type ) document no tcn cr - 240s001 b revise d date 20 12/11/06 page number 8 / 8 ta - i technology co., ltd 11. storage conditions: temperature : 5 to 35 related humidity :40 to 75% rh 12. shelf life : 2 years from manufacturing date. 13. ecn : engineering change notice: the customer will be i nformed with ecn if there is significant modification on the characteristics and materials described in approval sheet. 14. manufacturing country & city : ta - i technology co., ltd. ( taiwan C tao yuan ) tel: 886 - 3 - 3246169 fax : 886 - 3 - 3246167 associated companies : (1) fortune task resistor factory ( china C dongguan ) tel : 86 - 769 - 8339 - 4790 ? 3 fax : 86 - 769 - 8339 - 4794 (2) ta - i technology ( dong guan ) co., ltd. ( china C dongguan ) tel : 86 - 769 - 8339 - 4790 ? 3 fax : 86 - 769 - 8339 - 47 94 (3) ta - i technology ( su zhou ) co., ltd. ( china C su zhou ) tel :86 - 512 - 6 3457879 fax : 86 - 512 - 6 3457869 (4) tai ohm electronics ( m ) sdn. bhd. ( malaysia C pulaupinang ) tel :604 - 3900480 fax : 604 - 3901481 (5) p.t .tai electronics indonesia ( indonesia C jakarta ) tel :62 - 21 - 89830123 fax : 62 - 21 - 89830703 |
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