PART NUMBER

DEVICE
MARKING
CODE

       ZENER VOLTAGE
RANGE

TEST CURRENT 

   MAXIMUM ZENER
IMPEDANCE

REVERSE LEAKAGE CURRENT

MAXIMUM ZENER CURRENT

VZ AT IZT

IZT

IZK

ZZT AT IZT

ZZK AT IZK

IR at VR

IZM

V

mA

W

μA

V

mA

MIN.

NOM.

MAX.

MAX.

MAX.

MAX.

MAX.

SMBZ5919B

19B

5.32

5.6

5.88

66.9

1.0

5.0

700

200

3.0

267

SMBZ5920B

20B

5.89

6.2

6.51

60.5

1.0

2.0

700

200

4.0

241

SMBZ5921B

21B

6.46

6.8

7.14

55.1

1.0

2.5

400

200

5.2

220

SMBZ5924B

24B

8.64

9.1

9.56

41.2

0.5

4.0

1000

25

7.0

164

SMBZ5925B

25B

9.5

10

10.5

37.5

0.25

4.5

1000

25

8.0

150

SMBZ5926B

26B

10.5

11

11.6

34.1

0.25

5.5

550

5

8.4

136

SMBZ5927B

27B

11.4

12

12.6

31.2

0.25

6.5

550

1

9.1

125

SMBZ5928B

28B

12.4

13

13.7

28.8

0.25

7.0

550

1

9.9

115

SMBZ5929B

29B

14.3

15

15.8

25.0

0.25

9.0

600

1

11.4

100

SMBZ5930B

30B

15.2

16

16.8

23.4

0.25

10.0

600

1

12.2

93

SMBZ5931B

31B

17.1

18

18.9

20.8

0.25

12.0

650

1

13.7

83

SMBZ5932B

32B

19.0

20

21.0

18.7

0.25

14.0

650

1

15.2

75

SMBZ5933B

33B

20.9

22

23.1

17.0

0.25

17.5

650

1

16.7

68

SMBZ5934B

34B

22.8

24

25.2

15.6

0.25

19.0

700

1

18.2

62

SMBZ5935B

35B

25.7

27

28.4

13.9

0.25

23.0

700

1

20.6

55

SMBZ5936B

36B

28.5

30

31.5

12.5

0.25

28.0

750

1

22.8

50

SMBZ5937B

37B

31.4

33

34.7

11.4

0.25

33.0

800

1

25.1

45

SMBZ5938B

38B

34.2

36

37.8

10.4

0.25

38.0

850

1

27.4

41

SMBZ5939B

39B

37.1

39

41.0

9.6

0.25

45.0

900

1

29.7

38

SMBZ5940B

40B

40.9

43

45.2

8.7

0.25

53.0

950

1

32.7

34

SMBZ5941B

41B

44.6

47

49.4

8.0

0.25

67.0

1000

1

35.8

31

SMBZ5942B

42B

48.4

51

53.6

7.3

0.25

70.0

1100

1

38.8

29

SMBZ5943B

43B

53.2

56

58.8

6.7

0.25

86.0

1300

1

42.6

26

SMBZ5944B

44B

58.9

62

65.1

6.0

0.25

100

1500

1

47.1

24

SMBZ5945B

45B

64.6

68

71.4

5.5

0.25

120

1700

1

51.7

22