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2

Electrical Characteristics

Values are at TA = 25°C unless otherwise noted .

Note:

2. Zener Voltage (VZ)

The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL)

at 30

°C ± 1°C and 3/8” lead length.

Device

VZ (V) @ IZ

(2)

ZZ (Ω) @ IZ (mA)

ZZK (Ω) @ IZK(mA)

IR (μA) @ VR (V)

TC

(%/

°C)

Min.

Typ.

Max.

1N5221B

1N5222B

1N5223B

1N5224B

1N5225B

2.28

2.375

2.565

2.66

2.85

2.4

2.5

2.7

2.8

3

2.52

2.625

2.835

2.94

3.15

30

30

30

30

29

20

20

20

20

20

1,200

1,250

1,300

1,400

1,600

0.25

0.25

0.25

0.25

0.25

100

100

75

75

50

1.0

1.0

1.0

1.0

1.0

-0.085

-0.085

-0.080

-0.080

-0.075

1N5226B

1N5227B

1N5228B

1N5229B

1N5230B

3.135

3.42

3.705

4.085

4.465

3.3

3.6

3.9

4.3

4.7

3.465

3.78

4.095

4.515

4.935

28

24

23

22

19

20

20

20

20

20

1,600

1,700

1,900

2,000

1,900

0.25

0.25

0.25

0.25

0.25

25

15

10

5.0

5.0

1.0

1.0

1.0

1.0

2.0

-0.07

-0.065

-0.06

+/-0.055

+/-0.03

1N5231B

1N5232B

1N5233B

1N5234B

1N5235B

4.845

5.32

5.7

5.89

6.46

5.1

5.6

6

6.2

6.8

5.355

5.88

6.3

6.51

7.14

17

11

7.0

7.0

5.0

20

20

20

20

20

1,600

1,600

1,600

1,000

750

0.25

0.25

0.25

0.25

0.25

5.0

5.0

5.0

5.0

3.0

2.0

3.0

3.5

4.0

5.0

+/-0.03

0.038

0.038

0.045

0.05

1N5236B

1N5237B

1N5238B

1N5239B

1N5240B

7.125

7.79

8.265

8.645

9.5

7.5

8.2

8.7

9.1

10

7.875

8.61

9.135

9.555

10.5

6.0

8.0

8.0

10

17

20

20

20

20

20

500

500

600

600

600

0.25

0.25

0.25

0.25

0.25

3.0

3.0

3.0

3.0

3.0

6.0

6.5

6.5

7.0

8.0

0.058

0.062

0.065

0.068

0.075

1N5241B

1N5242B

1N5243B

1N5244B

1N5245B

10.45

11.4

12.35

13.3

14.25

11

12

13

14

15

11.55

12.6

13.65

14.7

15.75

22

30

13

15

16

20

20

9.5

9.0

8.5

600

600

600

600

600

0.25

0.25

0.25

0.25

0.25

2.0

1.0

0.5

0.1

0.1

8.4

9.1

9.9

10

11

0.076

0.077

0.079

0.080

0.082

1N5246B

1N5247B

1N5248B

1N5249B

1N5250B

15.2

16.15

17.1

18.05

19

16

17

18

19

20

16.8

17.85

18.9

19.95

21

17

19

21

23

25

7.8

7.4

7.0

6.6

6.2

600

600

600

600

600

0.25

0.25

0.25

0.25

0.25

0.1

0.1

0.1

0.1

0.1

12

13

14

14

15

0.083

0.084

0.085

0.085

0.086

1N5251B

1N5252B

1N5253B

1N5254B

1N5255B

20.9

22.8

23.75

25.65

26.6

22

24

25

27

28

23.1

25.2

26.25

28.35

29.4

29

33

35

41

44

5.6

5.2

5.0

4.6

4.5

600

600

600

600

600

0.25

0.25

0.25

0.25

0.25

0.1

0.1

0.1

0.1

0.1

17

18

19

21

21

0.087

0.088

0.088

0.089

0.090

1N5256B

1N5257B

1N5258B

1N5259B

1N5260B

28.5

31.35

34.2

37.05

40.85

30

33

36

39

43

31.5

34.65

37.8

40.95

45.15

49

58

70

80

93

4.2

3.8

3.4

3.2

3.0

600

700

700

800

900

0.25

0.25

0.25

0.25

0.25

0.1

0.1

0.1

0.1

0.1

23

25

27

30

33

0.09

0.092

0.093

0.094

0.095

1N5261B

1N5262B

1N5263B

44.65

48.45

53.2

47

51

56

49.35

53.55

58.8

105

125

150

2.7

2.5

2.2

1000

1100

1300

0.25

0.25

0.25

0.1

0.1

0.1

36

39

43

0.095

0.096

0.096

VF Forward Voltage = 1.2V Max. @ IF = 200mA