MMSZ5221B – MMSZ5262B

2 of 4

© 2006 Won-Top Electronics

Zener Voltage Range

(Note 2)

Maximum Zener Impedance

(Note 3)

Max Reverse

Leakage Current

Typical Temp.

Coefficient of

Zener Voltage

Type

Number

(Note 1)

Device

Marking

Code

Nom (V)

Min (V)

Max (V)

(Ω

Ω

Ω

Ω)

(mA)

(Ω

Ω

Ω

Ω)

(mA)

(µA)

(V)

(%/K)

MMSZ5221B

MMSZ5222B

MMSZ5223B

MMSZ5225B

C1

C2

C3

C5

2.4

2.5

2.7

3.0

2.28

2.38

2.57

2.85

2.52

2.63

2.84

3.15

30

30

30

30

20

20

20

20

1200

1250

1300

1600

0.25

0.25

0.25

0.25

100

100

75

50

1.0

1.0

1.0

1.0

-0.075

-0.075

-0.075

-0.075

MMSZ5226B

MMSZ5227B

MMSZ5228B

MMSZ5229B

D1

D2

D3

D4

3.3

3.6

3.9

4.3

3.14

3.42

3.71

4.09

3.47

3.78

4.10

4.52

28

24

23

22

20

20

20

20

1600

1700

1900

2000

0.25

0.25

0.25

0.25

25

15

10

5.0

1.0

1.0

1.0

1.0

-0.070

-0.065

-0.060

-0.055

MMSZ5230B

MMSZ5231B

MMSZ5232B

MMSZ5234B

D5

E1

E2

E4

4.7

5.1

5.6

6.2

4.47

4.85

5.32

5.89

4.94

5.36

5.88

6.51

19

17

11

7.0

20

20

20

20

1900

1600

1600

1000

0.25

0.25

0.25

0.25

5.0

5.0

5.0

5.0

2.0

2.0

3.0

4.0

±0.030

±0.030

+0.038

+0.045

MMSZ5235B

MMSZ5236B

MMSZ5237B

MMSZ5239B

E5

F1

F2

F4

6.8

7.5

8.2

9.1

6.46

7.13

7.79

8.65

7.14

7.88

8.61

9.56

5.0

6.0

8.0

10

20

20

20

20

750

500

500

600

0.25

0.25

0.25

0.25

3.0

3.0

3.0

3.0

5.0

6.0

6.0

6.5

+0.050

+0.058

+0.062

+0.068

MMSZ5240B

MMSZ5241B

MMSZ5242B

MMSZ5243B

F5

H1

H2

H3

10

11

12

13

9.50

10.45

11.40

12.35

10.50

11.55

12.60

13.65

17

22

30

13

20

20

20

9.5

600

600

600

600

0.25

0.25

0.25

0.25

3.0

2.0

1.0

0.5

8.0

8.4

9.1

9.9

+0.075

+0.076

+0.077

+0.079

MMSZ5245B

MMSZ5246B

MMSZ5248B

MMSZ5250B

H5

J1

J3

J5

15

16

18

20

14.25

15.20

17.10

19.00

15.75

16.80

18.90

21.00

16

17

21

25

8.5

7.8

7.0

6.2

600

600

600

600

0.25

0.25

0.25

0.25

0.1

0.1

0.1

0.1

11

12

14

15

+0.082

+0.083

+0.085

+0.086

MMSZ5251B

MMSZ5252B

MMSZ5254B

MMSZ5255B

K1

K2

K4

K5

22

24

27

28

20.90

22.80

25.65

26.60

23.10

25.20

28.35

29.40

29

33

41

44

5.6

5.2

5.0

4.5

600

600

600

600

0.25

0.25

0.25

0.25

0.1

0.1

0.1

0.1

17

18

21

21

+0.087

+0.087

+0.090

+0.091

MMSZ5256B

MMSZ5257B

MMSZ5258B

MMSZ5259B

M1

M2

M3

M4

30

33

36

39

28.50

31.35

34.20

37.05

31.50

34.65

37.80

40.95

49

58

70

80

4.2

3.8

3.4

3.2

600

700

700

800

0.25

0.25

0.25

0.25

0.1

0.1

0.1

0.1

23

25

27

30

+0.091

+0.092

+0.093

+0.094

MMSZ5260B

MMSZ5261B

MMSZ5262B

M5

N1

N2

43

47

51

40.85

44.65

48.45

45.15

49.35

53.55

93

105

125

3.0

2.7

2.5

900

1000

1100

0.25

0.25

0.25

0.1

0.1

0.1

33

36

39

+0.095

+0.095

+0.096

Note: 1. Type numbers listed have standard tolerance on the nominal zener voltage of ±5%.

3. f = 1KHz