1n4728a thru 1N4764A 1w epitaxial zener diode features mechanical data 2.5 0.2 25.4 1 4.5 0.2 25.4 1 0.8 0.1 all dimensions in mm do-41(glass) absolute maximum ratings(limiting values) ( t a =25 ) s ymbols value units zener current see table "characteristics" power dissipation at ta=50 p tot w j unction t e m per a t u r e t j storage temperature range t stg 1)valid provided that a distance of 8mm from case are kept at ambient temperature electrcal characteristics ( t a =25 ) s ymbols min t y p max units t hermal r e s i stanc e junction t o a m bient r t h a 170 1 ) / w forward voltage at if=200ma v f 1.2 v 1 ) v alid p r o v ided t hat a distanc e a t 8 mm fro m c a s e a r e k ept a t a m bient t e m per a t u r e 1 1 ) 175 -65 to + 175 ? low profile p a c kage ? b uilt-in strain r elief ? low inductanc e ? high temperature soldering : 260c /10 seconds at terminals ? g lass p a ckage h a s u nder w r i t e rs labor a t o ry f l a mma bilit y cla ssif ication ? in compliance with eu rohs 2002/95/ec directives ? c a se: molded gla ss do-41g ? t ermin als: axi al l e a ds, solderable per mil-st d-750, met hod 2026 guarant eed ? polarity: color band denotes positive end ? mounting position:any ? w e ight: 0.012 ounce, 0.336 gra m
1n4728a thru 1N4764A 1w epitaxial zener diode e l ect r i cal c h aract eri s t i c s @ t a =25 c unl e s s o t herw i s e s pec i f i e d n o m i nal zener v o l t age (note 2 ) t est current m a x i m u m zener i m p e dance (note 3 ) leakage current m a x s u r g e current 8 . 3 m s v z @ i z t i z t z z t @ i z t z z k @ i z k i z k i r @ v r i z s t y p e n u m b e r (note 1 ) ( v ) ( m a ) ( ) ( ) ( m a ) ( a ) ( v ) ( m a ) 1n4728a 1n4729a 1n4730a 1n4731a 1n4732a 3 . 3 3 . 6 3 . 9 4 . 3 4 . 7 7 6 6 9 6 4 5 8 5 3 1 0 1 0 9 . 0 9 . 0 8 . 0 400 400 400 400 500 1 . 0 1 . 0 1 . 0 1 . 0 1 . 0 100 100 5 0 1 0 1 0 1 . 0 1 . 0 1 . 0 1 . 0 1 . 0 1380 1260 1 190 1070 970 1n4733a 1n4734a 1n4735a 1n4736a 1n4737a 5 . 1 5 . 6 6 . 2 6 . 8 7 . 5 4 9 4 5 4 1 3 7 3 4 7 . 0 5 . 0 2 . 0 3 . 5 4 . 0 550 600 700 700 700 1 . 0 1 . 0 1 . 0 1 . 0 0 . 5 1 0 1 0 1 0 5 . 0 5 . 0 1 . 0 2 . 0 3 . 0 4 . 0 5 . 0 890 810 730 660 605 1n4738a 1n4739a 1n4740a 1n4741a 1n4742a 8 . 2 9 . 1 1 0 1 1 1 2 3 1 2 8 2 5 2 3 2 1 4 . 5 5 . 0 7 . 0 8 . 0 9 . 0 700 700 700 700 700 0 . 5 0 . 5 0 . 2 5 0 . 2 5 0 . 2 5 5 . 0 0 . 5 0 . 5 0 . 1 0 . 1 6 . 0 7 . 0 7 . 6 8 . 4 9 . 1 550 500 454 414 380 1n4743a 1n4744a 1n4745a 1n4746a 1n4747a 1 3 1 5 1 6 1 8 2 0 1 9 1 7 15. 5 1 4 12. 5 1 0 1 4 1 6 2 0 2 2 700 700 700 750 750 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 9 . 9 1 1 . 4 12. 2 13. 7 15. 2 344 304 285 250 225 1n4748a 1n4749a 1n4750a 1n4751a 1n4752a 2 2 2 4 2 7 3 0 3 3 1 1 . 5 10. 5 9 . 5 8 . 5 7 . 5 2 3 2 5 3 5 4 0 4 5 750 750 750 1000 1000 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 16. 7 18. 2 20. 6 22. 8 25. 1 205 190 170 150 135 1n4753a 1n4754a 1n4755a 1n4756a 1n4757a 3 6 3 9 4 3 4 7 5 1 7 . 0 6 . 5 6 . 0 5 . 5 5 . 0 5 0 6 0 7 0 8 0 9 5 1000 1000 1500 1500 1500 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 27. 4 29. 7 32. 7 35. 8 38. 8 125 1 1 5 1 1 0 9 5 9 0 1n4758a 1n4759a 1n4760a 1n4761a 1n4762a 5 6 6 2 6 8 7 5 8 2 4 . 5 4 . 0 3 . 7 3 . 3 3 . 0 1 1 0 125 150 175 200 2000 2000 2000 2000 3000 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 42. 6 47. 1 51. 7 56. 0 62. 2 8 0 7 0 6 5 6 0 5 5 1n4763a 1N4764A 9 1 100 2 . 8 2 . 5 250 350 3000 3000 0 . 2 5 0 . 2 5 0 . 1 0 . 1 69. 2 76. 0 5 0 4 5 not e : 1 . t y pe n u m bers l i s t e d have s t andard to l eran c e on t he n o m i nal zener vol t age o f 5%. 2 . m eas ured under ther m a l equilibriu m and dc ( i z t ) t est c ondi t i o n s . 3 . the zener i m pedan c e i s deri v ed f r o m t he 60hz a c vol t age w h i c h res u l t s w hen an a c c urrent havi ng an r m s val ue equal t o 10% o f t he zener c u rrent ( i z t or i z k ) i s s uperi m p o s ed on i z t or i z k . zener i m pedanc e i s m e a s ured a t tw o poi n t s t o i n s u re a s harp k nee on the brea k dow n c urve and to e l i m i n a t e u n s t abl e uni t s .
ra tings and characteristic cur ves 1n4728a thru 1N4764A f i g . 1 -- bre a kdo w n c haract e r i s t i c s f i g . 2 -- a d m i ssi b l e p o w e r d i s s i p a t i o n v e r s u s a m b i e n t t e m p e rat ure w 1 . 0 0 . 8 0 . 6 0 . 2 0 . 4 0 0 100 200 p t o t t a m b m a 0 5 1 0 i z 2 0 1 5 30 v 2 5 v z 2 0 4 0 6 0 8 0 100 1 n 8 2 7 4 1 n 1 3 7 4 1 n 2 3 7 4 1 n 3 3 7 4 1 n 5 3 7 4 1 n 9 3 7 4 1 n 1 4 7 4 1 n 2 4 7 4 1 n 4 4 7 4 1 n 7 4 7 4 1 n 8 4 7 4 1 n 9 4 7 4 1 n 0 5 7 4
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