surface mount zener diodes *225mw power dissipation *ideal for surface mountted application * c a s e : s o t - 2 3 m o l d e d p l a s t i c mechanical data: features: small signal 225m watts *zener b reakdown voltage range *ter minals: solderab le per mil-std-202, *polarity: cathode indicated by polarity band *marking: marking code (see table on page 3) *weigh: 0.008grams(approx) method 208 2.4v to 91v maximum ratings and electrical characteristics characteristics symbol unit total power dissipation on fr-5 board @t =25 c thermal resistance junction to ambient air forward voltage @ if=10ma junction and storage temperature range v c/w notes:1.fr-5=1.0*0.75*0.62in c r ja (1) (1) pd vf tj,tstg value 225 556 0.9 -65 to+150 mw (ta=25 c unless otherwise noted) a electrical characteristics (p inout: 1-anode, 2-no c onnection, 3-c athode) (t a = 25 c unles s otherwis e noted, v f = 0.9v max. @ i f = 10 ma) symbol parameter v z r evers e zener v oltage @ i zt i zt r evers e c urrent z zt maximum zener impedance @ i zt i r r evers e leakage c urrent @ v r v r r evers e v oltage i f f orward c urrent v f f orward v oltage @ i f z i zk zk r evers e c urrent maximum zener impedance@ i zk zener v oltage regulator i f v i i r i zt v r v z v f 3 cathode anode 1 data sheet anode d e s c r i p t i o n cathode 2 1 3 m e c h a n i c a l d i m e n s i o n s . 110 . 060 . 037 . 037 . 115 . 016 . 043 . 004 . 016 2 1 3 fmbz5221b s e r i e s
e l e c t r i c a l c h a r a c t e r i s t i c s ( p i n o u t : 1 - a n o d e , 2 - n c , 3 - c a t h o d e ) ( v f = 0 . 9 v m a x @ i f = 1 0 m a f o r a l l t y p e s . ) z e n e r v o l t a g e ( n o t e ) z e n e r i m p e d a n c e l e a k a g e c u r r e n t d e v i c e v z ( v o l t s ) @ i z t z z t @ i z t z z k @ i z k i r @ v r d e v i c e d e v i c e m a r k i n g m i n n o m m a x m a m a u a v o l t s f mb z5221b l t 1 1 8 a 2 . 2 8 2 . 4 2 . 5 2 2 0 3 0 1 2 0 0 0 . 2 5 1 0 0 1 fm b z5222b l t 1 1 8 b 2 . 3 7 2 . 5 2 . 6 3 2 0 3 0 1 2 5 0 0 . 2 5 1 0 0 1 fm b z5223b l t 1 1 8 c 2 . 5 6 2 . 7 2 . 8 4 2 0 3 0 1 3 0 0 0 . 2 5 7 5 1 f mb z5224b l t 1 1 8 d 2 . 6 6 2 . 8 2 . 9 4 2 0 3 0 1 4 0 0 0 . 2 5 7 5 1 f mb z5225b l t 1 1 8 e 2 . 8 5 3 3 . 1 5 2 0 2 9 1 6 0 0 0 . 2 5 5 0 1 f mb z5226b l t 1 8 a 3 . 1 3 3 . 3 3 . 4 7 2 0 2 8 1 6 0 0 0 . 2 5 2 5 1 fm b z5227b l t 1 8 b 3 . 4 2 3 . 6 3 . 7 8 2 0 2 4 1 7 0 0 0 . 2 5 1 5 1 f mb z5228b l t 1 8 c 3 . 7 0 3 . 9 4 . 1 0 2 0 2 3 1 9 0 0 0 . 2 5 1 0 1 f mb z5229b l t 1 8 d 4 . 0 8 4 . 3 4 . 5 2 2 0 2 2 2 0 0 0 0 . 2 5 5 1 f mb z5230b l t 1 8 e 4 . 4 6 4 . 7 4 . 9 4 2 0 1 9 1 9 0 0 0 . 2 5 5 2 f mbz5231bl t1 8 f 4 . 8 4 5 . 1 5 . 3 6 2 0 1 7 1 6 0 0 0 . 2 5 5 2 fm bz5232bl t1 8 g 5 . 3 2 5 . 6 5 . 8 8 2 0 1 1 1 6 0 0 0 . 2 5 5 3 f mb z5233b l t 1* 8 h 5 . 7 0 6 6 . 3 0 2 0 7 1 6 0 0 0 . 2 5 5 3 . 5 f mbz5234bl t1 8 j 5 . 8 9 6 . 2 6 . 5 1 2 0 7 1 0 0 0 0 . 2 5 5 4 f mbz5235bl t1 8 k 6 . 4 6 6 . 8 7 . 1 4 2 0 5 7 5 0 0 . 2 5 3 5 f mb z5236b l t 1 8 l 7 . 1 2 7 . 5 7 . 8 8 2 0 6 5 0 0 0 . 2 5 3 6 f mb z5237b l t 1 8 m 7 . 7 9 8 . 2 8 . 6 1 2 0 8 5 0 0 0 . 2 5 3 6 . 5 f mb z5238b l t 1 8 n 8 . 2 6 8 . 7 9 . 1 4 2 0 8 6 0 0 0 . 2 5 3 6 . 5 f mb z5239b l t 1 8 p 8 . 6 4 9 . 1 9 . 5 6 2 0 1 0 6 0 0 0 . 2 5 3 7 fm bz5240bl t1 8 q 9 . 5 0 1 0 1 0 . 5 0 2 0 1 7 6 0 0 0 . 2 5 3 8 f mb z5241b l t 1 8 r 1 0 . 4 1 1 1 1 . 5 5 2 0 2 2 6 0 0 0 . 2 5 2 8 . 4 f mbz5242bl t1 8 s 1 1 . 4 0 1 2 1 2 . 6 0 2 0 3 0 6 0 0 0 . 2 5 1 9 . 1 f mb z5243b l t 1 8 t 1 2 . 3 5 1 3 1 3 . 6 5 9 . 5 1 3 6 0 0 0 . 2 5 0 . 5 9 . 9 f mb z5244b l t 1 8 u 1 3 . 3 0 1 4 1 4 . 7 0 9 1 5 6 0 0 0 . 2 5 0 . 1 1 0 f mbz5245bl t1 8 v 1 4 . 2 5 1 5 1 5 . 7 5 8 . 5 1 6 6 0 0 0 . 2 5 0 . 1 1 1 f mb z5246b l t 1* 8 w 1 5 . 2 0 1 6 1 6 . 8 0 7 . 8 1 7 6 0 0 0 . 2 5 0 . 1 1 2 f mb z5247b l t 1 8 x 1 6 . 1 5 1 7 1 7 . 8 5 7 . 4 1 9 6 0 0 0 . 2 5 0 . 1 1 3 f mbz5248bl t1 8 y 1 7 . 1 0 1 8 1 8 . 9 0 7 2 1 6 0 0 0 . 2 5 0 . 1 1 4 f mb z5249b l t 1 8 z 1 8 . 0 5 1 9 1 9 . 9 5 6 . 6 2 3 6 0 0 0 . 2 5 0 . 1 1 4 f mbz5250bl t1 8 1 a 1 9 . 0 0 2 0 2 1 . 0 0 6 . 2 2 5 6 0 0 0 . 2 5 0 . 1 1 5 f mb z5251b l t 1* 8 1 b 2 0 . 9 0 2 2 2 3 . 1 0 5 . 6 2 9 6 0 0 0 . 2 5 0 . 1 1 7 f mb z5252b l t 1* 8 1 c 2 2 . 8 0 2 4 2 5 . 2 0 5 . 2 3 3 6 0 0 0 . 2 5 0 . 1 1 8 f mb z5253b l t 1 8 1 d 2 3 . 7 5 2 5 2 6 . 2 5 5 3 5 6 0 0 0 . 2 5 0 . 1 1 9 f mbz5254bl t1 8 1 e 2 5 . 6 5 2 7 2 8 . 3 5 4 . 6 4 1 6 0 0 0 . 2 5 0 . 1 2 1 f mb z5255b l t 1 8 1 f 2 6 . 6 0 2 8 2 9 . 4 0 4 . 5 4 4 6 0 0 0 . 2 5 0 . 1 2 1 f mb z5256b l t 1 8 1 g 2 8 . 5 0 3 0 3 1 . 5 0 4 . 2 4 9 6 0 0 0 . 2 5 0 . 1 2 3 f mbz5257bl t1 8 1 h 3 1 . 3 5 3 3 3 4 . 6 5 3 . 8 5 8 7 0 0 0 . 2 5 0 . 1 2 5 f mb z5258b l t 1 8 1 j 3 4 . 2 0 3 6 3 7 . 8 0 3 . 4 7 0 7 0 0 0 . 2 5 0 . 1 2 7 f mb z5259b l t 1 8 1 k 3 7 . 0 5 3 9 4 0 . 9 5 3 . 2 8 0 8 0 0 0 . 2 5 0 . 1 3 0 f mb z5260b l t 1 8 1 l 4 0 . 8 5 4 3 4 5 . 1 5 3 9 3 9 0 0 0 . 2 5 0 . 1 3 3 f mb z5261b l t 1 8 1 m 4 4 . 6 5 4 7 4 9 . 3 5 2 . 7 1 0 5 1 0 0 0 0 . 2 5 0 . 1 3 6 f mb z5262b l t 1 8 1 n 4 8 . 4 5 5 1 5 3 . 5 5 2 . 5 1 2 5 1 1 0 0 0 . 2 5 0 . 1 3 9 f mb z5263b l t 1 8 1 p 5 3 . 2 0 5 6 5 8 . 8 0 2 . 2 1 5 0 1 3 0 0 0 . 2 5 0 . 1 4 3 f mb z5264b l t 1 8 1 q 5 7 . 0 0 6 0 6 3 . 0 0 2 . 1 1 7 0 1 4 0 0 0 . 2 5 0 . 1 4 6 f mb z5265b l t 1 8 1 r 5 8 . 9 0 6 2 6 5 . 1 0 2 1 8 5 1 4 0 0 0 . 2 5 0 . 1 4 7 f mb z5266b l t 1 8 1 s 6 4 . 6 0 6 8 7 1 . 4 0 1 . 8 2 3 0 1 6 0 0 0 . 2 5 0 . 1 5 2 f mb z5267b l t 1 8 1 t 7 1 . 2 5 7 5 7 8 . 7 5 1 . 7 2 7 0 1 7 0 0 0 . 2 5 0 . 1 5 6 f mb z5268b l t 1 8 1 u 7 7 . 9 0 8 2 8 6 . 1 0 1 . 5 3 3 0 2 0 0 0 0 . 2 5 0 . 1 6 2 f mb z5269b l t 1 8 1 v 8 2 . 6 5 8 7 9 1 . 3 5 1 . 4 3 7 0 2 2 0 0 0 . 2 5 0 . 1 6 8 f mb z5270b l t 1 8 1 w 8 6 . 4 5 9 1 9 5 . 5 5 1 . 4 4 0 0 2 3 0 0 0 . 2 5 0 . 1 6 9 n o t e . z e n e r v o l t a g e i s m e a s u r e d w i t h a p u l s e t e s t c u r r e n t i z a t a n a m b i e n t t e m p e r a t u r e o f 2 5 c w w surface mount zener diodes small signal 225m watts data sheet
t y p ic a l c ha r a c t e r is t ic s c, cap acit ance (pf) 100 v z , nomina l ze ne r v ol t a g e (v ) f igure 5. t ypic al c apac itanc e 1000 100 10 1 10 1 b ia s a t 50% of v z nom t a = 25 c 0 v bias 1 v bias 12 v z , ze ne r v ol t a g e (v ) 100 10 1 0.1 0.01 10 8 6 4 2 0 t a = 25 c i z , zener current (ma) v z , ze ne r v ol t a g e (v ) 100 10 1 0.1 0.01 10 30 50 70 90 t a = 25 c i r , leakage current ( a ) m 90 v z , nomina l ze ne r v ol t a g e (v ) f igure 6. t ypic al l eakage c urrent 1000 100 10 1 0.1 0.01 0.001 0.0001 0.00001 80 70 60 50 40 30 20 10 0 +150 c +2 5 c 5 5 c i z , zener current (ma) f igure 7. zener v oltage vers us zener c urrent (v z up to 12 v ) f igure 8. zener v oltage vers us zener c urrent (12 v to 91 v ) vz vz , , tempera tempera ture coefficient ture coefficient (mv/ (mv/ c) c) q q v v z z , nomina l ze ne r v ol t t a g e (v ) a g e (v ) 3 3 2 2 1 1 0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 12 12 11 11 10 10 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 figure1 figure1 temperature c oefficients (t emperature r ange 5 55c~+150c) t y p ic a l t y p ic a l t t c c v v a l ue s a l ue s f or f mb z5221b l f or mmb z5221b l t 1 s e r ie s t 1 s e r ie s v v z z @ i @ i zt zt vz vz , , tempera tempera ture coefficient ture coefficient (mv/ (mv/ c) c) q q 100 100 10 10 1 1 10 10 100 100 v v z z , nomina l ze ne r v ol , nomina l ze ne r v ol t t a g e (v ) a g e (v ) f igure 2. t f igure 2. t emperature c oeffic ients emperature c oeffic ients (t (t emperature r ange emperature r ange 5 5 5 5 c to +150 c to +150 c ) c ) t y p ic a l t y p ic a l t t c c v v a l ue s a l ue s f or f mb z5221b l f or mmb z5221b l t 1 s e r ie s t 1 s e r ie s v v z z @ i @ i zt zt (t emperature r ange 5 55c~+150c) 100 v z , nomina l ze ne r v ol t a g e figure3.e ffect of zener v oltage on zener impedance 10 1 z zt , dynamic impedance ( ) w 1000 100 10 1 t j = 25 c i z( a c ) = 0.1 i z( dc ) f = 1 khz i z = 1 ma 5 ma 20 ma v f , f or w a r d v ol t a g e (v ) f igure 4. t ypic al f orward v oltage 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 i f , for w ard current (ma) 1000 100 10 1 75 v ( f mb z5267b l t 1) 91 v ( f mb z5270b l t 1) 150 c 75 c 25 c 0 c
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