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thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 1 / 13 ta - i technology co., ltd 1. scope this specification applies for the fuse series of thin film chip fuse made by ta - i. 2. construction 3. type designation over coat ceramic substrate conductor cu / ni plating fuse element c h chip fuse 06 size 06 :0603(1608) 12:1206(3216) v5 rated voltage t pac k aging t: paper tape (5k) v6:63v v5:50v v3:32v r 5 0 2 rated current r50:0.5a 1r0:1a sn plating
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 2 / 13 ta - i technology co., ltd 4. dimensions u nit : mm 5. applications and ratings part designation marking rated curre nt fusing time resistance (m ) tolerance 2 5 % rated voltage typical i 2 t(a 2 s) body temperature rising ch 0 6 v5tr50 f 0.50a open within 1~60 sec .at 200% rated current 270 dc 50 v 0.013 < 75 at 100% rated current ch 0 6 v3t1r50 p 1. 50 a 42 dc 32v 0.089 ch0 6 v3t3r0 0 3 3.00a 16 0.5 00 ch 06v3t4r0 w 4.00a 1 1 1.665 part designation marking rated current fusing time resistance (m ) tolerance 2 5 % rated voltage typical i 2 t(a 2 s) body temperature rising CH12V6TR50 f 0.50a open within 1~60sec .at 200% rated current 416 dc 63 v 0.027 < 75 at 100% rated current type (inch size code) dimensions (mm) l w c d t c h 06 (0603) 1.6 0. 1 0.8 0 0.1 0.3 0. 2 0.35 0. 2 0. 45 0.1 c h 12 ( 1206 ) 3.1 0. 1 1.55 0.1 0. 5 0. 3 0. 5 0 0. 2 0. 6 0 0.1
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 3 / 13 ta - i technology co., ltd 6. temperature derating curve 6.1 normal ambient temperature: 25 7. reliability tests parameter requirement test method carry ing capacity no fusing rated current ,4hr fusing time within 1~60 sec. 200% of its rated current interrupting ability no mechanical d amages after the fuse is interrupt ed ,rated voltage applied for 30sec again bending test no mechanical d amages distance between holding points: 90mm, bending:3mm,1time ,30sec resistance to solder heat 2 0% 260 5 ,10 1 second soldera b ility 95% coverage minimum 2 35 5 , 2 0.5 second 245 5 , 2 0.5 second (lead free) temperature rise < 7 5 1 00% of its rated current, measure of surface temperature resistance to dry heat 2 0% 105 5 ,1 000 hrs resistance to solvent no evi d en t damages on protective coating and marking 23 5 of isopropyl alcohol 90second residual resistance 10k and more measure dc resistance after fusing thermal shock r< 10 % - 20 /+25 /+125 /+25 , 10 cycles 105
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 4 / 13 ta - i technology co., ltd 8. marking symbol for rating current symbol f i k l m p n s t 3 u w y z rating current(a) 0.5 0.63 0.8 1 1.25 1.5 1.6 2 2.5 3 3.15 4 5 7 9. taping & reel 9.1 taping dimensions 4mm pitch paper packing type a b w f e p 1 p 2 p 0 d 0 t paper tape ch 0 6 1.1 0.1 1.9 0.1 8.0 0.2 3.5 0. 05 1.75 0.1 4.0 0.1 2.0 0.05 4.0 0.1 +0.1 1.5 - 0 0.64 0.1 paper tape ch 12 2.0 0.1 5 3.6 0. 2 8.0 0.2 3.5 0.05 1.75 0.1 4.0 0.1 2.0 0.05 4.0 0.1 +0.1 1.5 - 0 0. 8 4 0.1 u nit : mm type series paper tape 4 mm pit ch 180mm/r c h 0 6 5000 c h 12 5000
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 5 / 13 ta - i technology co., ltd 9 . 2 reel specifications u nit : mm series a b c w t ch 06 ch 12 178 2.0 60 .0 1.0 13.0 1.0 9.0 1.0 11.4 2.0 9.3 peel C off force : pull top cover tape 300 mm/min 10 ? 15 standard : 0.1 ~ 0.7 n carrier tape 10. stor age conditions : temperature: 5 ~35 ,humidity: 4 0 %~75% 11. shelf life: 2 year s from manufacturing date
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 6 / 13 ta - i technology co., ltd 12. label date code rating current t ype lot no: customer label 13. recommended land patterns land pattern type size dimension a b c c h 06 ( 0603 ) 0.7~0.9 2.0~2.2 0.8~1.0 c h 12 ( 1206 ) 2.0 ~ 2.4 4.4 ~ 5.0 1. 2 ~1. 8 qty: 5000 pcs r 5 0 200% t005f0005k 1005 c h 06v5t chip fuse
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 7 / 13 ta - i technology co., ltd 14. recommend ir C reflow profile : ( solder : sn96.5 / ag3 / cu0.5) peak : 250 , 5 sec pre C heat zone : 150 to 180 , 90 30 sec soldering zone : 230 or higher , 30 10 sec 15. approval by ul248 - 14 the fuses have been approved by ul. file no. of ul recognition is e241710 16. ecn engineering change notice: the customer will be informed with ecn if there is significant modification on the characteristics and materials described in approval sheet. 0 5 ? ?
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 8 / 13 ta - i technology co., ltd 17. manufacturing country & city : ta - i technology co., ltd. ( taiwan C tao yuan ) tel: (+ 886 ) 3 - 3 246169 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 indonesia ( indonesia C jakarta ) tel : (+ 62 ) 21 - 89830123 fax : (+ 62 ) 21 - 89830703
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 9 / 13 ta - i technology co., ltd selection guideline of fuse: checklist of selection factors normal operatin g current normal operating voltage ( ac or dc ) ambient temperature overload current and length of time in which the fuse must open . type of fuse ( smd or tube ) and physical size limitation ( 0603 or 1206 ) agency approval required ( e.g., ul248 - 1 4 ) normal operating current e.g., rectangular wave , if i p = 1.5 a , normal operating current = 1.5 a
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 10 / 13 ta - i technology co., ltd derating ratio for different ambient temperature referring to bottom figure and select the appropriate derating rat io : e.g., ambient temperature is 60 degree c the derating ratio P 0.95 calculating the required rating of fuse needed . safety coefficient : 70 % is safety coefficient from practical experience < rating current of fuse e.g., condition : normal operating current = 1 .5 a ambient temperature 40 : derating ratio P 0.95 < rating current of f use normal operating current 0.7 x derating rati o 1.5 0.7 x 0.95 105 2.255 < rating current of fuse ambient temperature safety coefficient
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 11 / 13 ta - i technology co., ltd determination of the type of fuse e.g., condition : calculating value = 2.255 a , 2.255 a < rating current of fuse normal operating voltage : dc 12 v following bottom index - table : suggesting use c h 06v 3 t 3 r0 0 . part designation marking rated current rated voltage part designation marking rated current rated voltage c h 06v5tr50 f 0.5 0 a 50v c h 12v6tr50 f 0.50a 63v c h 06v3t1r50 p 1.50a 32v c h 06v3t3r0 0 3 3.00a 32v c h 06v3t4r0 w 4.00a 32v
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 12 / 13 ta - i technology co., ltd inrush current : considering inrush waveform & calculate i 2 t (a 2 s) value choosing fuses i 2 t (a 2 s) value > calculate i 2 t (a 2 s) value considering ratio of i 2 t repeat numbers to blowing confirm with us e.g., choosing 0603 fuse condition : 1. rectangular wave , ip = 9 a , t = 1 ( ms ) , calculate ip 2 t = 9 2 x 1 x 10 C 3 = 0.0 81 ( a 2 s) 2. choosing c h 06v 3 t 3 r 0 0 ( i 2 t = 0.5 (a 2 s) ) , 3. inrush shock : 100,000 times ( P 0.35 ) calculating : 1. choosing fuses i 2 t (a 2 s) value x dera ting ratio > calculate i 2 t (a 2 s) value 2. 0.5 x 0.35 = 0.175 (a 2 s) 3. 0.175 > 0.081 the fuse is able to meet circuits application note*: typical i 2 t value is measured at 10x - rated current, application with surge over 10x - rated current. please confirm with us. ta - i fuse i 2 t ( a 2 s) part number typical i 2 t (a 2 s) part number typical i 2 t (a 2 s) c h 06v5tr50 0.0 13 c h 12v6 tr50 0.027 c h 06v3t1r50 0.0 89 c h 06v3t3r0 0 0. 5 00 c h 06v3t4r0 1.665 page 12 index - table inrush derating ratio inrush 100,000 times ta-i chip fuse clearing by repeater rush current 0.1 1 10 100 1000 10000 100000 ratio of i 2 t repeat numbers to blowing ratio of i 2 t
thi n film c hip fuse document no tc h - xxos00 1a issued date 2012/06 / 2 8 page 13 / 13 ta - i technology co., ltd inrush wavefor m

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