cystech electronics corp. spec. no. : c3 2 6s 2 - c issued date : 200 9 .0 2 . 16 revised date : 20 1 5 . 0 6 . 0 4 page no. : 1 / 6 zd5221 a s 2 series cyste k product specification 20 0mw sod - 3 23 zener voltage regulators zd 5 2 21 a s 2 thru zd5259 a s2 description the zd52 xx a s 2 series zener diodes are packaged in a sod - 3 23 surface mount package that has a power dissipation of 20 0mw. they are designed to provide voltage r egulation protection and are especially attractive in situations where space is at a premium. they are well suited for applications such as cellular phones, hand held portables, and high density pc boards. features ? v z tolerance : 2% ? standard z ener breakdown voltage range : 2.4v to 39 v ? steady state power rating of 20 0mw.. ? small body outline dimensions ? low body height : 0.0 35 inches ( 0.9 mm) max. mechanical data ? case : sod - 3 23 , molded plastic ? terminals : solderable per mil - std - 750 method 2026 ? polarity : cathode indicated by polarity band. ? flammability rating : ul94 v - 0 ? package weight : approx. 4.507 m g/unit ? mounting position : any ordering information device package shipping zd52xx a s2 - 0 - t1 - g sod - 323 ( pb - free lead plating and halogen - free pack age ) 3000 pcs / tape & reel environment friendly grade : s for rohs compliant products , g for rohs compl i ant and green compound products packing spec, t1 : 3000 pcs / tape & reel, 7 reel product rank, zero for no rank prod ucts product name
cystech electronics corp. spec. no. : c3 2 6s 2 - c issued date : 200 9 .0 2 . 16 revised date : 20 1 5 . 0 6 . 0 4 page no. : 2 / 6 zd5221 a s 2 series cyste k product specification symbol outline absolute maximum ratings (ta=25 , unless otherwise specified) ? maximum temperatures storage temperature tstg ................................ ................................ ................................ .... - 65~ +150 ? c junction temperature tj.. - 65 ~ +150 ? c ? maximum power dissipation total power dissipat ion ptot (note 1 ) ................................ ................................ ........................ 20 0 mw ? thermal resistance, junction to ambient air r ja .. 62 5 /w ? thermal resistance, junction to case r j c . ..400 /w note 1 : parts mounted on ceramic board with area of 25 mm 2. electrical characteristics (t a =25 unless otherwise noted, v f =0.9v max @i f =10ma for all types.) symbol parameter v z reverse zener voltage @ i zt i zt reverse current z zt maximum zener impedance @ i zt i zk reverse current z zk maximum zener impedance @ i zk i r reverse leakage current @ v r v r reverse voltage sod - 3 23 - +
cystech electronics corp. spec. no. : c3 2 6s 2 - c issued date : 200 9 .0 2 . 16 revised date : 20 1 5 . 0 6 . 0 4 page no. : 3 / 6 zd5221 a s 2 series cyste k product specification device mar king code zener voltage( note 2 ) maximum zener impedance maximum reverse leakage current v z (volts) @i zt z zt @ i zt z zk @i zk i r @v r min nom max ma ma a v zd 5221 a c1 2.35 2.4 2.45 20 3 0 12 00 0.25 10 0 1.0 zd 5223 a c3 2.65 2.7 2.75 20 3 0 13 00 0.25 75 1.0 zd522 5 a c5 2.94 3.0 3.06 20 30 1 6 00 0.25 50 1.0 zd 5226 a g1 3.23 3.3 3.37 20 28 1 6 00 0.25 2 5 1.0 zd522 7 a g2 3.53 3.6 3.67 20 24 17 00 0.25 1 5 1. 0 zd522 8 a g3 3.82 3.9 3.98 20 23 19 00 0.25 10 1.0 zd5229 a g4 4.21 4.3 4.39 20 22 20 00 0.25 5 1.0 zd5230 a g5 4.61 4.7 4.79 20 19 19 00 0.25 5 2.0 zd5231 a e1 5.00 5.1 5.20 20 17 160 0 0.25 5 2.0 zd5232 a e2 5.49 5.6 5.71 20 11 16 00 0.25 5 3 .0 zd5233 a e3 5 .88 6. 0 6.12 20 7 1 60 0 0.25 5 3.5 zd5234 a e4 6.08 6. 2 6.32 20 7 100 0 0.25 5 4.0 zd5235 a e5 6.66 6.8 6.94 20 5 75 0 0.25 3 5.0 zd5236 a f1 7.35 7.5 7.65 20 6 50 0 0.25 3 6 .0 zd5237 a f2 8.04 8.2 8.36 20 8 5 0 0 0.25 3 6 . 5 zd5238 a f3 8.53 8.7 8.87 20 8 60 0 0. 25 3 6.5 zd5239 a f4 8.92 9.1 9.28 20 1 0 60 0 0.25 3 7 .0 zd5240 a f5 9.80 10 10.20 20 17 60 0 0.25 3 8.0 zd5241 a h1 10.78 11 11.22 20 22 60 0 0.25 2 8. 4 zd5242 a h2 11.76 12 12.24 20 30 60 0 0.25 1 9.1 zd5243 a h3 12.74 13 13.26 9. 5 13 60 0 0.25 0.5 9.9 zd524 5 a h5 14.70 15 15.30 8. 5 16 60 0 0.25 0.1 1 1 zd5246 a j1 15.68 16 16.32 7.8 17 60 0 0.25 0.1 1 2 zd5248 a j3 17.64 1 8 18.36 7.0 21 60 0 0.25 0.1 1 4 zd5250 a j5 19.60 20 20.40 6.2 25 60 0 0.25 0.1 1 5 zd5251 a k1 21.56 22 22.44 5.6 29 60 0 0.25 0.1 1 7 zd5252 a k2 23.52 24 24.48 5. 2 33 60 0 0.25 0.1 18 zd5254 a k4 26.46 27 27.54 5.0 41 60 0 0.25 0.1 2 1 zd5255 a k5 27.44 28 28.56 4.5 44 60 0 0.25 0.1 2 1 zd5256 a m1 29.40 30 30.60 4. 2 49 60 0 0.25 0.1 2 3 zd5257 a m2 32.34 33 33.66 3.8 58 700 0.25 0.1 25 zd525 8 a m3 35.28 36 36.72 3.4 70 700 0.25 0.1 27 zd525 9 a m4 38.22 39 39.78 3.2 80 800 0.25 0.1 30 note 2: zener voltage is measured with a pulse test current i z at an ambient temperature of 25 .
cystech electronics corp. spec. no. : c3 2 6s 2 - c issued date : 200 9 .0 2 . 16 revised date : 20 1 5 . 0 6 . 0 4 page no. : 4 / 6 zd5221 a s 2 series cyste k product specification reel dimension carrier tape dimension
cystech electronics corp. spec. no. : c3 2 6s 2 - c issued date : 200 9 .0 2 . 16 revised date : 20 1 5 . 0 6 . 0 4 page no. : 5 / 6 zd5221 a s 2 series cyste k product specification recommended wave soldering condition product peak temperature soldering time pb - free devices 260 +0/ - 5 ? c 5 +1/ - 1 seconds recommended temperature profile for i r reflow profile feature sn - pb eutectic assembly pb - free assembly average ramp - up rate (tsmax to tp) 3 ? c /second max. 3 ? c /second max. preheat ? temperature min(t s min) ? temperature max(t s max) ? time(ts min to ts max ) 100 ? c 150 ? c 60 - 120 seconds 150 ? c 200 ? c 60 - 180 seconds time maintained above: ? temperature (t l ) ? time (t l ) 183 ? c 60 - 150 seconds 217 ? c 60 - 150 seconds peak temperature(t p ) 240 +0/ - 5 ? c 260 +0/ - 5 ? c time within 5 ? c of actual peak temperature(tp) 10 - 30 seconds 20 - 40 seconds ramp dow n rate 6 ? c /second max. 6 ? c /second max. time 25 ? c to peak temperature 6 minutes max. 8 minutes max. note : all temperatures refer to topside of the package, measured on the package body surface.
cystech electronics corp. spec. no. : c3 2 6s 2 - c issued date : 200 9 .0 2 . 16 revised date : 20 1 5 . 0 6 . 0 4 page no. : 6 / 6 zd5221 a s 2 series cyste k product specification so d - 323 dimension *: typical dim inches millimeters dim inches millimeters min. max. min. max. min. max. min. max. a 0.0630 0.0709 1.60 1.80 e 0.0060 - 0.15 - b 0.0453 0.0531 1.15 1.35 h 0.0000 0.0040 0.00 0.10 c 0.0315 0.0394 0.80 1.00 j 0.0035 0.0070 0.089 0.177 d 0.0098 0.0157 0.25 0.40 k 0.0906 0.1063 2.30 2.70 notes: 1. controlling dimension : millimeters. 2 . lead thickness specified per l/f drawing with solder plating. 3.if there is any question with packing specification or packing method, please contact your local cyste k sales office. material : ? ? mold compound: epoxy resin family, flammability solid burning class: ul94v - 0 . important notice: ? all rights are reserved. reproduction in whole or in part is prohibited without the prior written approval of cyste k . ? cyste k reserves the right to make changes to its products without notice. ? cyste k semiconductor products are not warranted to be suitable for use in life - support applications, or systems. ? cyste k assumes no liability for any consequence of customer prod uct design, infringement of patents, or application assistance. style: pin 1.cathode 2.anode 2 - lead so d - 323 plastic surface mounted package cystek package code: s 2 marking: xx d a h j k c e b 1 2 5 h
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