Data Sheet

1 Watt

ZENER DIODES (3.3V to 100V)

°C

NOTES: 1. For 10% Tolerance on Zener Voltage, Specify No Suffix. For 5% Tolerance,

Specify Suffix ‘‘A’’. (Example: LL4728A = 3.3V +/- 5%)

2. T

unless otherwise specified. Measurements made at Thermal Equilibrium.

Nominal

Zener

Voltage

Test

Current

I

Max. Zener Impedance

Max. Reverse

Leakage Current @

V

R

T

C

3.3

3.6

3.9

4.3

4.7

5.1

5.6

6.2

6.8

7.5

8.2

9.1

10

11

12

13

15

16

18

20

22

24

27

30

33

36

39

43

47

51

56

62

68

75

82

91

100

76

69

64

58

53

49

45

41

37

34

31

28

25

23

21

19

17

15.5

14

12.5

11.5

10.5

9.5

8.5

7.5

7.0

6.5

6.0

5.5

5.0

4.5

4.0

3.7

3.3

3.0

2.8

2.5

o

Z

(Ω)

Z

(Ω)

400

400

400

400

500

550

600

700

700

700

700

700

700

700

700

700

700

700

750

750

750

750

750

1000

1000

1500

1500

1500

1500

1500

2000

2000

2000

2000

3000

3000

3000

1

1

1

1

1

1

1

1

1

0.5

0.5

0.5

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

0.25

1

1

1

1

1

1

2

3

4

5

6

7

7.6

8.4

9.1

9.9

11.4

12.2

13.7

15.2

16.7

18.2

20.6

22.8

25.1

27.4

29.7

32.7

35.8

38.8

42.6

47.1

51.7

56

62.2

69.2

76

1380

1260

1190

1070

970

890

810

730

660

605

550

500

454

414

380

344

304

285

250

225

205

190

170

150

135

125

115

110

95

90

80

70

65

60

55

50

45

Part #

I

V

Max.

Surge Current

Lead Length = .375". Thermal Resistance of Heat Sink = 30 / W, V

°C

I

ZK

(mA)

LL4728

LL4729

LL4730

LL4731

LL4732

LL4733

LL4734

LL4735

LL4736

LL4737

LL4738

LL4739

LL4740

LL4741

LL4742

LL4743

LL4744

LL4745

LL4746

LL4747

LL4748

LL4749

LL4750

LL4751

LL4752

LL4753

LL4754

LL4755

LL4756

LL4757

LL4758

LL4759

LL4760

LL4761

LL4762

LL4763

LL4764

10

10

9

9

8

7

5

2

3.5

4

4.5

5

7

8

9

10

14

16

20

22

23

25

35

40

45

50

60

70

80

95

110

125

150

175

200

250

350

100

100

50

10

10

10

10

10

10

10

10

10

10

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

5

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