smd zener diode v oltage: 3.3 to 100 v olts power: 1.0 w atts rohs device page 1 rev :c czra4728-hf thru. czra4764-hf 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 ) d o - 2 1 4 a c / s m a qw -jz003 halogen free 0.106(2.7) 0.091(2.3) 0.012(0.3) t yp. 0.180(4.4) 0.196(4.9) 0.068(1.7) 0.060(1.5) 0.032(0.8)t yp. 0.032(0.8)t yp. features -built-in strain relief. mechanical data -epoxy: ul94v -0 rated flame retardant. -polarity: indicated by cathode band. -mounting position: any . -w eight: 0.05 gram(approx.). -batch process design, excellent power dissipation of fers better reverse leakage current and thermal resistance. -low profile package. -case: do-214ac/sma molded plastic, jedec -standard zener voltage tolerance 5%. -low inductance. -t erminals: solder plated,solderable per mil-std-750,method 2026. company reserves the right to improve product design , functions and reliability without notice. maximum ratings (t a =25c, unless otherwise noted) note: 1.mounted on 0.2x0.2(5x5mm)fr-4 pcb. condition forward voltage power dissipation thermal resistance min. typ . max. units parameter if = 200 ma 30 50 -55 1.20 1000 v mw c/w c symbol v f p d r jc r ja t j junction to case (note 1) junction to ambient (note 1) operating temperature -65 c t stg storge temperature +175 +150 c/w @tl = 75c
smd zener diode z zt @ i zt ohms z zk @ i zk ohms i zk ma i r ua v r v olts czra4728-hf z3v3 3.3 76 10 400 1.0 100 1.0 1380 CZRA4729-HF z3v6 3.6 69 10 400 1.0 100 1.0 1260 czra4730-hf z3v9 3.9 64 9 400 1.0 50 1.0 1 190 czra4731-hf z4v3 4.3 58 9 400 1.0 10 1.0 1070 czra4732-hf z4v7 4.7 53 8 500 1.0 10 1.0 970 czra4733-hf z5v1 5.1 49 7 550 1.0 10 1.0 890 czra4734-hf z5v6 5.6 45 5 600 1.0 10 2.0 810 czra4735-hf z6v2 6.2 41 2 700 1.0 10 3.0 730 czra4736-hf z6v8 6.8 37 3.5 700 1.0 10 4.0 660 czra4737-hf z7v5 7.5 34 4 700 0.5 10 5.0 605 czra4738-hf z8v2 8.2 31 4.5 700 0.5 10 6.0 550 czra4739-hf z9v1 9.1 28 5 700 0.5 10 7.0 500 czra4740-hf z10 10 25 7 700 0.25 10 7.6 454 czra4741-hf z1 1 1 1 23 8 700 0.25 5 8.4 414 czra4742-hf z12 12 21 9 700 0.25 5 9.1 380 czra4743-hf z13 13 19 10 700 0.25 5 9.9 344 czra4744-hf z15 15 17 14 700 0.25 5 1 1.4 304 czra4745-hf z16 16 15.5 16 700 0.25 5 12.2 285 czra4746-hf z18 18 14 20 750 0.25 5 13.7 250 czra4747-hf z20 20 12.5 22 750 0.25 5 15.2 225 czra4748-hf z22 22 1 1.5 23 750 0.25 5 16.7 205 czra4749-hf z24 24 10.5 25 750 0.25 5 18.2 190 czra4750-hf z27 27 9.5 35 750 0.25 5 20.6 170 czra4751-hf z30 30 8.5 40 1000 0.25 5 22.8 150 czra4752-hf z33 33 7.5 45 1000 0.25 5 25.1 135 czra4753-hf z36 36 7.0 50 1000 0.25 5 27.4 125 zener impedance leakage current surge current ma part number marking code zener v oltage v olts t est current ma i zt v z @i zt i surge czra4754-hf z39 39 6.5 60 1000 0.25 5 29.7 1 15 czra4755-hf z43 43 6.0 70 1500 0.25 5 32.7 1 10 page 2 rev :c qw -jz003 company reserves the right to improve product design , functions and reliability without notice. electrical characteristics ( at t a = 25c unless otherwise noted)
smd zener diode electrical characteristics ( at t a = 25c unless otherwise noted) z zt @ i zt ( )max z zk @ i zk ( )max i zk ma i r (ua)max v r v olts czra4756-hf z47 47 5.5 80 1500 0.25 5 35.8 95 czra4757-hf z51 51 5.0 95 1500 0.25 5 38.8 90 czra4758-hf z56 56 4.5 1 10 2000 0.25 5 42.6 80 czra4759-hf z62 62 4.0 125 2000 0.25 5 47.1 70 czra4760-hf z68 68 3.7 150 2000 0.25 5 51.7 65 czra4761-hf z75 75 3.3 175 2000 0.25 5 56.0 60 czra4762-hf z82 82 3.0 200 3000 0.25 5 62.2 55 czra4763-hf z91 91 2.8 250 3000 0.25 5 69.2 50 czra4764-hf z100 100 2.5 350 3000 0.25 5 76.0 45 zener impedance leakage current surge current ma part number marking code zener v oltage v olts t est current ma i zt v z @i zt i surge page 3 rev :c qw -jz003 comchip t echnology co., l td. company reserves the right to improve product design , functions and reliability without notice. ra ting and characteristic cur ves ( czra4728-hf thru. czra4764-hf) p e a k s u r g e p o w e r , ( w ) fig.2 - maximum surge power pulse width, (ms) note: 5% tolerance of zener voltage. lead t emperature, tl (c) 150 125 100 75 50 25 fig.1 - max. continuous power derating 0 0.25 0.5 0.75 1.0 m a x i m u m p o w e r d i s s i p a t i o n , ( w ) o r i n d u c t i v e l o a d 6 0 h z r e s i s t i v e 0 0.1 0.01 1 10 100 1000 rectangular waveform tj-25c prior to initial pulse 10 100 1.0 20% duty cycle 10% duty cycle 5% duty cycle 1 1v -91v non-repetitive
smd zener diode page 4 rev :c ra ting and characteristic cur ves ( czra4728-hf thru. czra4764-hf) qw -jz003 j u n c t i o n t o l e a d t h e r m a l , ( m v / c / w ) 175 150 125 100 75 50 25 0 lead length to heat sink, (inches) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 t e m p e r a t u r e c o e f f i c i e n t , ( m v / c ) fig 3a. range for units to 12 v olts 12 10 8 6 4 2 0 -2 -4 2 3 4 5 6 7 8 9 10 zener v oltage, (v) -4 -2 0 2 4 6 3 4 5 6 7 8 zener v oltage, (v) t e m p e r a t u r e c o e f f i c i e n t , ( m v / c ) note: below 3v and above 8v changes in zener v oltage do not affect temperature v z @i zt o t a =25 c 20ma 1ma 0.01ma fig 5. t ypical thermal resistance zener current,(ma) 1 d y n a m i c i m p e d a n c e , ( o h m s ) 4 1 1 0 nominal vz, (v) fig 6. ef fect of zener current c a p a c i t a n c e , ( p f ) range v z @i zt 1 1 12 range v z @i zt 10 50 100 1 10 100 t e m p e r a t u r e c o e f f i c i e n t , ( m v / c ) fig 3b. range for units 12 to 100 v olts zener v oltage, (v) fig 4. t emperature coef ficients (-55c to +150c temperature change ; 90% of the units are in the ranges indicated.) 1 10 100 1000 i z = 1 m a i z = 5 m a i z = 2 0 m a t j =25 c i z (ms)=0.1i z (do) f=60h z 10 100 0 v b i a s 1 v b i a s 1 0 1 0 0 4 0 0 1 0 0 5 0 % o f b r e a k d o w n b i a s v ersus lead company reserves the right to improve product design , functions and reliability without notice.
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 reel t aping specification page 5 rev :c qw -jz016 smd zener diodes comchip t echnology co., l td. b c d d d 2 d 1 s y m b o l a ( m m ) ( i n c h ) 2 . 4 4 1 m i n . 2 . 8 0 . 1 0 5 . 0 0 0 . 1 0 4 . 0 0 0 . 1 0 1 . 5 0 0 . 1 0 6 2 . 0 m i n . 1 3 . 0 0 . 5 0 1 . 9 0 0 . 1 0 4 . 0 0 0 . 1 0 2 . 0 0 0 . 1 0 1 2 . 0 0 0 . 3 0 1 8 . 0 0 1 . 0 0 1 7 8 2 . 0 0 0 . 1 9 7 0 . 0 0 4 0 . 1 1 0 0 . 0 0 4 0 . 0 7 5 0 . 0 0 4 0 . 0 5 9 0 . 0 0 4 7 . 0 0 8 0 . 0 7 8 0 . 5 1 2 0 . 0 0 8 s y m b o l ( m m ) ( i n c h ) 0 . 4 7 2 0 . 0 1 2 0 . 1 5 7 0 . 0 0 4 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 5 . 5 0 0 . 1 0 0 . 2 1 7 0 . 0 0 2 d o - 2 1 4 a c ( s m a ) d o - 2 1 4 a c ( s m a ) 0 . 7 0 9 0 . 0 4 0 i n d e x h o l e d e f b w p p 0 p 1 a company reserves the right to improve product design , functions and reliability without notice.
comchip t echnology co., l td. page 6 rev :c qw -jz003 smd zener diode company reserves the right to improve product design , functions and reliability without notice. suggested p ad layout a b c e d size (inch) 0.150 (mm) 3.80 1.60 2.80 0.063 0.1 10 5.40 0.213 e 2.20 0.087 b c d a part number czra4728-hf ~ czra4764-hf marking code xxxx product type marking code (see page.2~3) xxxx standard packaging c a s e t y p e 2 , 0 0 0 r e e l ( p c s ) reel size (inch) 7 r e e l p a c k d o - 2 1 4 a c ( s m a ) do-214ac (sma) marking code pinning information pin simplified outline symbol 1 2 pin 1 cathode pin 2 anode 2 1
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