smd zener diode v oltage: 2.5 to 30 v olts power: 300 mw atts rohs device page 1 rev :d features planar die construction. - 300mw power dissipation on fr-4 pcb. - ideally suited for automated assembly - process. general purpose, medium current. - mechanical data case: sot -23 , molded plastic. - t erminals: solderable per mil-std- - 202g,method 208. polarity: see diagram below . - mounting position: any - marking: see table on page2. - czrt5222b-g thru. czrt5256b-g p ar am et er s ym bo l v al ue u ni t electrical characteristics (t a=25c, unless otherwise specified) 0.9 v vf forward voltage drop at i f =10ma po we r d iss ipa tio n ( no tes a) ,t a = 25 c 30 0 pd mw qw -bz013 41 7 c /w r ja thermal resistance, junction to ambient air (notes a) op era tin g j un cti on an d s tor ag e t em pe rat ure ra ng e -65 to +1 50 tj c comchip t echnology co., l td. d i m e n s i o n s i n i n c h e s a n d ( m i l l i m e t e r ) s o t - 2 3 3 1 2 0.1 19(3.00) 0.1 10(2.80) 0.056(1.40) 0.047(1.20) 0.079(2.00) 0.071(1.80) 0.041(1.05) 0.035(0.90) 0.020(0.50) 0.012(0.30) 0.006(0.15) 0.002(0.05) 0.100(2.55) 0.089(2.25) 0.004(0.10) max 0.008(0.20) min w eight: 0.0078 gram(approx.). - 1 2 3
smd zener diode page 2 electrical characteristics(@t a = 25c unless otherwise specified) rev :d qw -bz013 min. nom. max. max. izt(ma) max. izk(ma) max. vr(v) czr t5222b-g 2.38 2.5 2.63 30 20.0 1250 0.25 100 1.0 kc2 czr t5223b-g 2.57 2.7 2.84 30 20.0 1300 0.25 75 1.0 kc3 czr t5225b-g 2.85 3.0 3.15 30 20.0 1600 0.25 50 1.0 kc5 czr t5226b-g 3.14 3.3 3.47 28 20.0 1600 0.25 25 1.0 kg1 czr t5227b-g 3.42 3.6 3.78 24 20.0 1700 0.25 15 1.0 kg2 czr t5228b-g 3.71 3.9 4.10 23 20.0 1900 0.25 10 1.0 kg3 czr t5229b-g 4.09 4.3 4.52 22 20.0 2000 0.25 5.0 1.0 kg4 czr t5230b-g 4.47 4.7 4.94 19 20.0 1900 0.25 5.0 2.0 kg5 czr t5231b-g 4.85 5.1 5.36 17 20.0 1600 0.25 5.0 2.0 ke1 czr t5232b-g 5.32 5.6 5.88 1 1 20.0 1600 0.25 5.0 3.0 ke2 czr t5234b-g 5.89 6.2 6.51 7 20.0 1000 0.25 5.0 4.0 ke4 czr t5235b-g 6.46 6.8 7.14 5 20.0 750 0.25 3.0 5.0 ke5 czr t5236b-g 7.13 7.5 7.88 6 20.0 500 0.25 3.0 6.0 kf1 czr t5237b-g 7.79 8.2 8.61 8 20.0 600 0.25 3.0 6.5 kf2 czr t5239b-g 8.65 9.1 9.56 10 20.0 600 0.25 3.0 7.0 kf4 czr t5240b-g 9.50 10 10.50 17 20.0 600 0.25 3.0 8.0 kf5 czr t5241b-g 10.45 1 1 1 1.55 22 20.0 600 0.25 2.0 8.4 kh1 czr t5242b-g 1 1.40 12 12.60 30 20.0 600 0.25 1.0 9.1 kh2 czr t5243b-g 12.35 13 13.65 13 9.5 600 0.25 0.5 9.9 kh3 czr t5245b-g 14.25 15 15.75 16 8.5 600 0.25 0.1 1 1 kh5 czr t5246b-g 15.20 16 16.80 17 7.8 600 0.25 0.1 12 kj1 czr t5248b-g 17.10 18 18.90 21 7.0 600 0.25 0.1 14 kj3 czr t5250b-g 19.00 20 21.00 25 6.2 600 0.25 0.1 15 kj5 czr t5251b-g 20.90 22 23.10 29 5.6 600 0.25 0.1 17 kk1 czr t5252b-g 22.80 24 25.20 33 5.2 600 0.25 0.1 18 kk2 czr t5254b-g 25.65 27 28.35 41 5.0 600 0.25 0.1 21 kk4 czr t5255b-g 26.60 28 29.40 44 4.5 600 0.25 0.1 21 kk5 czr t5256b-g 28.50 30 31.50 49 4.2 600 0.25 0.1 23 km1 part number operating resistance zzt(ohm) rising operating resistance zzk(ohm) reverse current ir(ua) zener v oltage vz(v)@izt 3. 5% standard vz t olerance comchip t echnology co., l td. czr t5233b-g 5.70 6.0 6.30 17 20.0 1600 0.25 5.0 2.0 k czr t5238b-g 8.27 8.7 9.14 8 20.0 600 0.25 3.0 6.5 k f3 e3 czr t5244b-g 13.30 14 14.70 15 9.0 600 0.25 0.1 10 czr t5247b-g 16.15 17 17.85 19 7.4 600 0.25 0.1 13 kj 2 czr t5249b-g 18.05 19 19.95 23 6.6 600 0.25 0.1 14 kj 2 czr t5253b-g 23.75 25 26.25 35 5.0 600 0.25 0.1 19 k k3 k h4 n ot es : 1. s ho rt d ur at io n te st p ul se u se d to m in im iz e se lf- he at in g ef fe ct . 2. f= 1k h z . marki ng code
ra ting and characteristic cur ves ( ) czr t5222b-g thru czr t5256b-g smd zener diode page 3 rev :d qw -bz013 comchip t echnology co., l td. v z , n o m in a l z e n e r v o lt a g e , ( v ) d y n a m i c z e n e r i m p e d a n c e , ( ) fig.3- zener v oltage vs zener impedence 1 1 0 1 0 0 1 0 0 0 1 1 0 0 1 0 ) p p k , p e a k s u r g e p o w e r , ( w ) fig.2- maximum non-repetitive surge power 0 1 0 0 0 1 1 0 1 0 0 1 0 1 0 0 normal zener voltage, (v) c t , t o t a l c a p a c i t a n c e , ( p f ) fig.4- t otal capacitance vs nominal zener v oltage i z = 1 . 0 m a 0 4 0 0 2 0 0 1 0 0 0 2 0 0 fig.1- power derating curve t a , ambient t emperature, (c) 3 0 0 1 0 0 p d , p o w e r d i s s i p a t i o n , ( m w ) 0 1 0 0 1 0 1 0 1 0 0 1 0 0 0 t j = 25c v r = 1v v r = 2v vz,nominal zener v oltage, (v) fig.5- zener breakdown characteristics vz, zener v oltage, (v) i z , z e n e r c u r r e n t , ( m a ) 0 3 0 0 1 0 2 0 1 1 0 2 3 4 5 6 7 8 9 4 0 5 0 5 v 6 6 v 8 5 v 2 o t j = 2 5 c t e s t c u r r e n t i z = 2 0 m a fig.6- zener breakdown characterisitcs vz, zener v oltage, (v) i z , z e n e r c u r r e n , ( m a ) 0 2 0 0 4 0 1 0 1 0 2 0 3 0 3 0 o t j = 2 5 c t e s t c u r r e n t 1 0 1 2 1 5 1 8 2 2 2 7 3 3 3 6 3 9 n o m i n a l z e n e r v o l t a g e
smd zener diode page 4 rev :d qw -bz013 comchip t echnology co., l td. b c d d d 2 d 1 s o t - 2 3 s y m b o l a ( m m ) ( i n c h ) 2 . 1 4 2 0 . 0 1 6 4 . 0 0 0 . 1 0 1 . 5 0 + 0 . 1 0 5 4 . 4 0 0 . 4 0 1 3 . 0 0 0 . 2 0 4 . 0 0 0 . 1 0 2 . 0 0 0 . 1 0 1 7 8 1 . 0 0 0 . 0 5 9 0 . 0 0 4 + 7 . 0 0 8 0 . 0 3 9 0 . 5 1 2 0 . 0 0 8 s y m b o l ( m m ) ( i n c h ) 0 . 0 . 0 0 4 1 5 7 0 . 1 5 7 0 . 0 0 4 0 . 0 7 9 0 . 0 0 4 e f p p 0 p 1 w w 1 1 . 7 5 0 . 1 0 0 . 0 6 9 0 . 0 0 4 3 . 5 0 0 . 0 5 0 . 1 3 8 0 . 0 0 2 s o t - 2 3 3 . 1 5 0 . 1 0 0 . 1 2 4 0 . 0 0 4 2 . 7 7 0 . 1 0 0 . 1 0 9 0 . 0 0 4 1 . 2 2 0 . 1 0 0 . 0 4 8 0 . 0 0 4 9 . 5 0 1 . 0 0 0 . 3 7 4 0 . 0 3 9 8 . 0 0 0 . 3 0 / + C 0 . 1 0 0 . 3 1 5 0 . 0 1 2 / + C 0 . 0 0 4 reel t aping specification o 1 2 0 t railer device leader 10 pitches (min) 10 pitches (min) ....... ....... ....... ....... ....... ....... ....... ....... end start d 1 d 2 d w 1 t c direction of feed i n d e x h o l e d e f b w p p 0 p 1 a
smd zener diode page 5 rev :d qw -bz013 comchip t echnology co., l td. suggested p ad layout a c b size (inch) 0.031 (mm) 0.80 1.90 2.02 0.075 0.080 sot -23 2.82 0.1 1 1 a b c d d standard packaging part number CZRT5223B-G ~ czrt5256b-g marking code xxx marking code product type marking code (see page.2) xxx c a s e t y p e s o t - 2 3 3 , 0 0 0 r e e l ( p c s ) reel size (inch) 7 r e e l p a c k
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