s m d ty p e 1 d i o d e s 1 sm a4 7 2 8 ~4 7 6 4 ze ne r diode s feat ur es - p x q s p g j m f q b d l b h f 5 z q j d b m * 3 m f t t u i b o 0 " b c p w f 7 a bs olut e max imum r at ings ta = 25 p ar am eter s y m bol rati ng uni t p eak for w ar d s ur ge c ur r ent i fm 10 a p ow er di s s i pati on p d 1.0 w j unc ti on t em per atur e t j 150 s tor age tem per atur e r ange t st g - 55 to 150 1 2 4.597 3.988 5.668 4.925 2.896 2.489 2.126 1.397 4.32 4.12 2.75 2.55 5.87 5.67 2.02 2.22 1.524 0.762 0.203 0.051 0.305 0.152 recommended land pattern unit: mm 1.981 2.438
s m d ty p e d i o d e s 2 1 sm a4 7 2 8 ~4 7 6 4 e lec t r ic al c har ac t er is t ic s ta = 25 nom. v min. v max. v o m a o m a u a v 1 s m a 472 8 3 . 3 3 . 1 3 . 5 10. 0 76. 0 4 0 0 1 . 0 0 1 0 0 1 . 0 s m a 1 s m a 472 9 3 . 6 3 . 4 3 . 8 10. 0 69. 0 4 0 0 1 . 0 0 1 0 0 1 . 0 s m a 1 s m a 473 0 3 . 9 3 . 7 4 . 1 9 . 0 64. 0 4 0 0 1 . 0 0 5 0 1 . 0 s m a 1 s m a 473 1 4 . 3 4 . 1 4 . 5 9 . 0 58. 0 4 0 0 1 . 0 0 1 0 1 . 0 s m a 1 s m a 473 2 4 . 7 4 . 5 4 . 9 8 . 0 53. 0 5 0 0 1 . 0 0 1 0 1 . 0 s m a 1 s m a 473 3 5 . 1 4 . 8 5 . 4 7 . 0 49. 0 5 5 0 1 . 0 0 1 0 1 . 0 s m a 1 s m a 473 4 5 . 6 5 . 3 5 . 9 5 . 0 45. 0 6 0 0 1 . 0 0 1 0 2 . 0 s m a 1 s m a 473 5 6 . 2 5 . 9 6 . 5 2 . 0 41. 0 7 0 0 1 . 0 0 1 0 3 . 0 s m a 1 s m a 473 6 6 . 8 6 . 5 7 . 1 3 . 5 37. 0 7 0 0 1 . 0 0 1 0 4 . 0 s m a 1 s m a 473 7 7 . 5 7 . 1 7 . 9 4 . 0 34. 0 7 0 0 0 . 5 0 1 0 5 . 0 s m a 1 s m a 473 8 8 . 2 7 . 8 8 . 6 4 . 5 31. 0 7 0 0 0 . 5 0 1 0 6 . 0 s m a 1 sam473 9 9 . 1 8 . 6 9 . 6 5 . 0 28. 0 7 0 0 0 . 5 0 1 0 7 . 0 s m a 1 s m a 474 0 10. 0 9 . 5 10. 5 7 . 0 25. 0 7 0 0 0 . 2 5 1 0 7 . 6 s m a 1 s m a 474 1 11. 0 10. 5 11. 6 8 . 0 23. 0 7 0 0 0 . 2 5 0 . 1 8 . 4 s m a 1 s m a 474 2 12. 0 11. 4 12. 6 9 . 0 21. 0 7 0 0 0 . 2 5 0 . 1 9 . 1 s m a 1 s m a 474 3 13. 0 12. 4 13. 7 10. 0 19. 0 7 0 0 0 . 2 5 0 . 1 9 . 9 s m a 1 s m a 474 4 15. 0 14. 3 15. 8 14. 0 17. 0 7 0 0 0 . 2 5 0 . 1 11. 4 s m a 1 s m a 474 5 16. 0 15. 2 16. 8 16. 0 15. 5 7 0 0 0 . 2 5 0 . 1 12. 2 s m a 1 s m a 474 6 18. 0 17. 1 18. 9 20. 0 14. 0 7 5 0 0 . 2 5 0 . 1 13. 7 s m a 1 s m a 474 7 20. 0 19. 0 21. 0 22. 0 12. 5 7 5 0 0 . 2 5 0 . 1 15. 2 s m a 1 s m a 474 8 22. 0 20. 9 23. 1 23. 0 11. 5 7 5 0 0 . 2 5 0 . 1 16. 7 s m a 1 s m a 474 9 24. 0 22. 8 25. 2 25. 0 10. 5 7 5 0 0 . 2 5 0 . 1 18. 2 s m a 1 s m a 475 0 27. 0 25. 7 28. 4 35. 0 9 . 5 7 5 0 0 . 2 5 0 . 1 20. 6 s m a 1 s m a 475 1 30. 0 28. 5 31. 5 40. 0 8 . 5 100 0 0 . 2 5 0 . 1 22. 8 s m a 1 s m a 475 2 33. 0 31. 4 34. 7 45. 0 7 . 5 100 0 0 . 2 5 0 . 1 25. 1 s m a 1 s m a 475 3 36. 0 34. 2 37. 8 50. 0 7 . 0 100 0 0 . 2 5 0 . 1 27. 4 s m a 1 s m a 475 4 39. 0 37. 1 4 1 60. 0 6 . 5 100 0 0 . 2 5 0 . 1 29. 7 s m a 1 s m a 475 5 43. 0 40. 9 45. 2 70. 0 6 . 0 150 0 0 . 2 5 0 . 1 32. 7 s m a 1 s m a 475 6 47. 0 44. 7 49. 4 80. 0 5 . 5 150 0 0 . 2 5 0 . 1 35. 8 s m a 1 s m a 475 7 51. 0 48. 5 53. 6 95. 0 5 . 0 150 0 0 . 2 5 0 . 1 38. 8 s m a 1 s m a 475 8 56. 0 53. 2 58. 8 1 1 0 4 . 5 200 0 0 . 2 5 0 . 1 42. 6 s m a 1 s m a 475 9 62. 0 58. 9 65. 1 1 2 5 4 . 0 200 0 0 . 2 5 0 . 1 47. 1 s m a 1 s m a 476 0 68. 0 64. 6 71. 4 1 5 0 3 . 7 200 0 0 . 2 5 0 . 1 51. 7 s m a 1 s m a 476 1 75. 0 71. 3 78. 8 1 7 5 3 . 3 200 0 0 . 2 5 0 . 1 56. 0 s m a 1 s m a 476 2 82. 0 77. 9 86. 1 2 0 0 3 . 0 300 0 0 . 2 5 0 . 1 62. 2 s m a 1 s m a 476 3 91. 0 86. 5 95. 6 2 5 0 2 . 8 300 0 0 . 2 5 0 . 1 69. 2 s m a 1 s m a 476 4 1 0 0 95. 0 1 0 5 3 5 0 2 . 5 300 0 0 . 2 5 0 . 1 76. 0 s m a 757 b 763 b 764 b 759 b 760 b 761 b 762 b 753 b 754 b 755 b 756 b 749 b 750 b 751 b 752 b 745 b 746 b 747 b 748 b 741 b 742 b 743 b 744 b 737 b 738 b 739 b 740 b 728 b 729 b 758 b 730 b 731 b 732 b 733 b 734 b 735 b 736 b v z @ i z t p art numbe r 1 . 0 w a t t z e n e r diodes - - c o n t inue d p a c kag e max imum z ener i mpedanc e z z t @ i z t z z k @ i z k max imu m leakag e curren t i r @ v r mark ing cod e
s m d ty p e d i o d e s 3 1 sm a4 7 2 8 ~4 7 6 4 ty pic al c har ac t er is it ic s 1 . 0 0 . 7 5 0 . 5 0 . 2 5 0 0 2 0 4 0 6 0 8 0 1 1 1 1 1 2 0 2 4 6 8 0 0 0 0 0 0 0 t , lea d temper a tur e ( c ) l o ) s t t a w ( n o i t a p i s s i d r e w o p m u m i x a m , p d l = l e a d l e n g t h t o h e a t sin k figure. 1 powe r t e m per a t u r e d e r a t i n g c u r v e a.ran g e f o r unit s t o 1 2 v o l t s b . r ang e f o r u n i t s 1 2 t o 1 0 0 v o l t s
s m d ty p e d i o d e s 4 1 sm a4 7 2 8 ~4 7 6 4 ty pic al c har ac t er is it ic s f i g u r e . 5 m a x imu m s u r g e p o w e r f i g ure. 4 e f f e c t o f z e n e r c u r ren t f i g u re. 3typica l t h e r m a l r e sis t a n c e
s m d ty p e d i o d e s 5 1 sm a4 7 2 8 ~4 7 6 4 ty pic al c har ac t er is it ic s f i g u r e . 1 0 t y p i c a l f o r wa r d c h a r a c t e r i s t i c s v z , z e n e r v o l t a g e ( v o l t s ) m
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