high power low resistance chip resistors (rl h 25 series ) document no trl h - 25 0 s001 e issued date 20 12 / 10 / 18 page 1 / 8 ta - i technology co., ltd 1. scope : the specification applies for the rl h 25 series of low resistance chip resistors made by ta - i . 2. features : ? low resistance and high accuracy resistor for current detection ? large electrode (all series) ? good performance for h eat d issipation ? high pu rity alumina substrate for high power dissipation ? pb - free to meet rohs requirements 3. applications : ? power management applications ? switching power supply ? dc - dc converter, battery pack, charger, adaptor ? portable instruments (pda and cell phone) ? voltage regula tion module (vrm) ? computer 4. type designation: r lh high power low resistance chip resistors e r 10 0 nominal resistance r 10 0 : 10 0 m pac k aging e:embossed tape e c=1w d=1 .5 w e=2w power rating (70 ) f f: 1.0% g: 2.0% j: 5.0% tolerance o f resistance at 25 25 size 25:2512 (6.4x3.2mm)
high power low resistance chip resistors (rl h 25 series ) document no trl h - 25 0 s001 e issued date 20 12 / 10 / 18 page 2 / 8 ta - i technology co., ltd power ratio ( %) 5. dimensions: u nit : mm item l w c d t r lh 25 6.30 0.2 3.20 0.2 0.6 0.3 0.5 0. 25 0 .5 5 0.1 6. dera ting curve : for resistors operated at ambient temperature over 70 , power rating shall be derated in accordance with figure 1. r100 ambient temp.( ) p max figure 1
high power low resistance chip resistors (rl h 25 series ) document no trl h - 25 0 s001 e issued date 20 12 / 10 / 18 page 3 / 8 ta - i technology co., ltd 7. electrical characteristics type rl h 25 power rating 1w& 1.5 w&2 w resistance value 100 m ~ 91 0m operation temperat ure range - 55 ~ +1 5 5 temperature coefficient of resistance 100ppm/ tolerance 1% , 2% , 5% insulation resistance over 100m maximum working voltage(v) (p*r) 1/2 8. r eliability tests : test item reference standard condition of test test limits tem perature coefficient of resistance iec60115 - 1 - 4.8 j is - c520 1 - 1 - 4.8 2 5 ~ 125 refer to paragraph 6 short time overload iec60115 - 1 - 4.13 j is - c520 1 - 1 - 4.13 5 x rated power , 5s ? ? load life iec60115 - 1 - 4.25.1 j is - c520 1 - 1 - 4.25.1 1000 hou rs at rated power , at 70 ? ? load life with humidity i ec60115 - 1 - 4.24 j is - c520 1 - 1 - 4.24 1000 hours at rated power , 40 ? ? ? thermal shock i ec60115 - 1 - 4.19 j is - c520 1 - 1 - 4.19 - 55 ( 15 min. ) / +1 5 5 ( 15 min.) 5 cycles ? ? resistance to solder heat i ec60115 - 1 - 4.18 j is - c520 1 - 1 - 4.18 270 ? ? ? ? solder ability i ec60115 - 1 - 4.17 j is - c520 1 - 1 - 4.17 245 5 solder, 2 0.5 sec dwell. solder : sn96.5 / ag3.0 / cu0.5 at least 95% of surface area of e lectrode shall be covered with new solder. bending test i ec60115 - 1 - 4.33 j is - c520 1 - 1 - 4.33 1 mm deflection ? resistance to dry heat i ec60115 - 1 - 4.23.2 j is - c520 1 - 1 - 4.23.2 1 5 5 ? ? ? ?
high power low resistance chip resistors (rl h 25 series ) document no trl h - 25 0 s001 e issued date 20 12 / 10 / 18 page 4 / 8 ta - i technology co., ltd 9. marking: from 2512: resistance valu e is expressed by 4 digits, the first r means decimal point and the other digits represent for the normal resistance in . eg., 1 00 m = r 100 10. taping & reel 10 .1 taping dimensions 10.1.1 4 mm pitch emboss packing type a b w f e p 1 p 2 p 0 d 0 t em boss r lh 25 3.6 0. 2 6.9 0. 2 12.0 0.2 5.5 0.05 1.75 0.1 4.0 0.1 2.0 0.05 4.0 0.05 +0.1 1.5 - 0 .1 0. 85 0.1 5 unit: mm
high power low resistance chip resistors (rl h 25 series ) document no trl h - 25 0 s001 e issued date 20 12 / 10 / 18 page 5 / 8 ta - i technology co., ltd 10 .2 reel specifications unit: mm type a b c w t r lh 25 178 .0 2.0 60 .0 1.0 13.0 1.0 13.0 1.0 15.5 1 .0 10 .3 peel C off force : peel C off force of paper and blister tape is in accordance with jis that is , 0.1 to 0.7 n at a peel - off speed of 300 mm / minute. pull top cover tape 300 mm/min 10 ~ 15 degree standard: 0.1 ~ 0.7 n carrier tape unit: mm
high power low resistance chip resistors (rl h 25 series ) document no trl h - 25 0 s001 e issued date 20 12 / 10 / 18 page 6 / 8 ta - i technology co., ltd 11. label 1 1 .1 normal products : date code resistance tolerance type lot no: manufacture label power rating packaging 12. recommended land patterns land pattern type size dimension ( mm ) a b c r lh 25 (2512 ) 1 0.20 7.5 0.20 4.2 0.20 qty: 4 000 pcs 0. 100 f e e r t939m0008k 0939 2512 sensing trace cu trace
high power low resistance chip resistors (rl h 25 series ) document no trl h - 25 0 s001 e issued date 20 12 / 10 / 18 page 7 / 8 ta - i technology co., ltd 13. ecn engineering change notice: the customer will be inf ormed with ecn if there is significant modification on the characteristics and materials described in approval sheet. 14. storage conditions: temperature: 5 ~35 ,humidity:40%~75% 15. shelf life: 2 years from manufacturing date. 16. recommend ir C reflow profile : ( solder : sn96.5 / ag3 / cu0.5) profile feature lead (pb ) - free assembly average ramp - up rate (tsmax to tp) 3 / second max. preheat - temperature min (ts min ) - temperature max (ts max ) - time (ts min to ts max ) (ts) 150 200 60 - 150 second s time maintained above : - temperature (t l ) - time (t l ) 217 60 - 120 seconds peak temperature (tp) 260 time within of actual peak temperature (tp) 2 10 seconds ramp - down rate 6 /second max. time 25 to peak temperature 8mimu tes max. 5 0 ? ?
high power low resistance chip resistors (rl h 25 series ) document no trl h - 25 0 s001 e issued date 20 12 / 10 / 18 page 8 / 8 ta - i technology co., ltd 17. manufacturing country & city : ta - i technology co., ltd. ( taiwan C tao yuan ) tel: (+ 886 ) 3 - 3246169 fax : (+ 886 ) 3 - 3246167 associated companies : ( 1 )ta - i technology ( su zhou ) co., ltd. ( china C su zhou ) tel : (+ 86 ) 512 - 6 3457879 fax : (+ 86 ) 512 - 6 3457869 ( 2 ) ta - i technology electronic ( dong guan ) co., ltd. ( china C dongguan ) tel : (+ 86 ) 769 - 8339 - 4790 3 fax : (+ 86 ) 769 - 8339 - 4794 ( 3 ) fortune task resistor factory ( china C dongguan ) tel : (+ 86 ) 769 - 8339 - 4790 3 fax : (+ 86 ) 769 - 8339 - 4794 (4) tai ohm electronics ( m ) sdn. bhd. ( malaysia C p enang ) tel : (+ 60 ) 4 - 3900480 fax : (+ 60 ) 4 - 3901481 (5) p.t. tai electronic s indonesia ( indonesia C jakarta ) tel :62 - 21 - 89830123 fax : 62 - 21 - 89830703
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