cal-chip e e l l e e c c t t r r o o n n i i c c s s , , i i n n c c o o r r p p o o r r a a t t e e d d czsf s eries surface mount varistors - molded chip type transient/surge absorber 123 f ea tures ?compact package withstands high surge current (up to 600a). ?low clamping voltage for better surge protection. ?excellent response against steep surge voltages. ?both flow and reflow soldering applicable. c hara cteristics unit - mm ?temperature coefficient of varistor voltage: 0~0.05%/? (+25 to +85?). ?operating temperature range: -40~+85?. ?storage temperature range: -40~+125?. ?working voltage (max.): measured at 100? leakage current. s t and ard p r oduct t able and s pecifica tions o rdering c ode czsf 471 k tr series breakdown voltage, tape & reel first 2 digits are significant, 3rd digit is number of zeros tolerance k = ?0% lwhp a 8.0?.5 6.2?.4 3.2?.3 1.3?.3 2.5?.2 working voitage (max) breakdown voltage clamping voltage peak current (max) transient energy typ. capacitance part number acrms dc @ 1.0ma max. @ 8/20 ms 8/20s, 2 times joules (max) (pf) @ 1khz czsf220ktr 14 v 18 v 20 ~ 25 v 43 v (2.5 a) 125 a 0.9 1700 czsf270ktr 17 v 22 v 24 ~ 30 v 53 v (2.5 a) 125 a 1.0 1500 czsf330ktr 20 v 26 v 30 ~ 36 v 65 v (2.5 a) 125 a 1.2 1200 czsf390ktr 25 v 31 v 35 ~ 43 v 77 v (2.5 a) 125 a 1.5 1100 czsf470ktr 30 v 38 v 42 ~ 52 v 93 v (2.5 a) 125 a 1.8 1000 czsf560ktr 35 v 45 v 50 ~ 62 v 110 v (2.5 a) 125 a 2.2 850 czsf680ktr 40 v 56 v 61 ~ 75 v 135 v (2.5 a) 125 a 2.5 725 czsf820ktr 50 v 65 v 74 ~ 90 v 135 v (10 a) 600 a 3.5 500 czsf101ktr 60 v 85 v 90 ~ 110 v 165 v (10 a) 600 a 4.0 420 czsf121ktr 75 v 100 v 108 ~ 132 v 200 v (10 a) 600 a 5.0 330 czsf151ktr 95 v 125 v 135 ~ 165 v 250 v (10 a) 600 a 6.0 230 czsf201ktr 130 v 170 v 185 ~ 225 v 340 v (10 a) 600 a 8.0 140 czsf221ktr 140 v 180 v 198 ~ 242 v 360 v (10 a) 600 a 9.0 135 CZSF241KTR 150 v 200 v 216 ~ 264 v 395 v (10 a) 600 a 10.0 120 czsf271ktr 175 v 225 v 247 ~ 303 v 455 v (10 a) 600 a 12.0 105 czsf361ktr 230 v 300 v 324 ~ 396 v 595 v (10 a) 400 a 12.0 85 czsf391ktr 250 v 320 v 351 ~ 429 v 650 v (10 a) 400 a 12.0 65 czsf431ktr 275 v 350 v 387 ~ 473 v 710 v (10 a) 400 a 14.0 75 czsf471ktr 300 v 385 v 423 ~ 517 v 775 v (10 a) 400 a 14.0 55
cal-chip e e l l e e c c t t r r o o n n i i c c s s , , i i n n c c o o r r p p o o r r a a t t e e d d czsf s eries surface mount varistors - molded chip type transient/surge absorber 124 e nvir onment al c hara cteristics ?standard impulse wave form (8/20 ?) b reakdo wn v ol t a ge s urge c urrent 22 to 68 v 18 amps 82 to 270 v 50 amps 360 to 470 v 40 amps ?surge life - after 10,000 times continuous application of the surge impulse wave form shown above within the interval of 10 seconds at room temperature, breakdown voltage shall be within range specified. ?high temperature load life - after 1,000 hours at 85? with application of the specified max. working voltage, breakdown volt- age shall be within range specified. ?humidity load life - after 1,000 hours at 40? and 90 to 95% rh with application of the specified max. working voltage, break- down voltage shall be within range specified. 1. recommended soldering conditions 1.1 flow soldering: 260? (5 seconds max.) 1.2 reflow soldering: 230? (10 seconds max.) 2. mounting 2.1 pressure to the component at pick and place should be less than 9.8n. 2.2 the bottom of resin portion of component should be fixed to circuit board by adhesive. t aping s pecifica tions r ecommended l and p a ttern
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