Data Sheet

½ Watt

ZENER DIODES (2.4V to 200V)

°C

NOTES: 1. For 10% Tolerance on Zener Voltage, Specify Suffix ‘‘A’’. For 5% Tolerance,

Specify Suffix ‘‘B’’. (Example: 1N5230B = 4.7V +/- 5%)

2. T

unless otherwise specified. Measurements made at Thermal Equilibrium.

Test

Current

I

Max. Zener Impedance

Max. Reverse

Leakage Current @

V

R

Z

(Ω)

Z

(Ω)

Part #

Jedec Type #

I

V

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

°C

1N5256A or B

1N5257A or B

1N5258A or B

1N5259A or B

1N5260A or B

1N5261A or B

1N5262A or B

1N5263A or B

1N5264A or B

1N5265A or B

1N5266A or B

1N5267A or B

1N5268A or B

1N5269A or B

1N5270A or B

1N5271A or B

1N5272A or B

1N5273A or B

1N5274A or B

1N5275A or B

1N5276A or B

1N5277A or B

1N5278A or B

1N5279A or B

1N5280A or B

1N5281A or B

30

33

36

39

43

47

51

56

60

62

68

75

82

87

91

100

110

120

130

140

150

160

170

180

190

200

4.2

3.8

3.4

3.2

3.0

2.7

2.5

2.2

2.1

2.0

1.8

1.7

1.5

1.4

1.4

1.3

1.1

1.0

0.95

0.9

0.85

0.8

0.74

0.68

0.66

0.65

49

58

70

80

93

105

125

150

170

185

230

270

330

370

400

500

750

900

1100

1300

1500

1700

1900

2200

2400

2500

600

700

700

800

900

1000

1100

1300

1400

1400

1600

1700

2000

2200

2300

2600

3000

4000

4500

4500

5000

5500

5500

6000

6500

7000

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

.1

23

25

27

30

33

36

39

43

46

47

52

56

62

68

69

76

84

91

99

106

114

122

129

137

144

152

+ 0.091

+ 0.092

+ 0.093

+ 0.094

+ 0.095

+ 0.095

+ 0.096

+ 0.096

+ 0.097

+ 0.097

+ 0.097

+ 0.098

+ 0.098

+ 0.099

+ 0.099

+ 0.11

+ 0.11

+ 0.11

+ 0.11

+ 0.11

+ 0.11

+ 0.11

+ 0.11

+ 0.11

+ 0.11

+ 0.11

Nominal Zener

Voltage,

V

Max.

Zener Voltage

Page 12-4