SEMTECH ELECTRONICS LTD.

(Subsidiary of Semtech International Holdings Limited, a company

listed on the Hong Kong Stock Exchange, Stock Code: 724)

®

Dated : 05/11/2005

RD2.0E~RD200E

Characteristics at Ta = 25 OC

Zener Voltage

Dynamic

Impedance

Knee Dynamic

Impedance

Reverse Current

VZ (V)

1)

ZZ (Ω)

2)

ZZK (Ω)

2)

IR (µA)

Type

Min.

Max.

lZ (mA)

Max.

lZ (mA)

Max.

lZ (mA)

Max.

VR (V)

RD33EB

29.68

33.11

RD33EB1

29.68

31.22

RD33EB2

30.32

31.88

RD33EB3

30.90

32.50

RD33EB4

31.49

33.11

5

65

5

250

0.5

0.2

25

RD36EB

32.14

35.77

RD36EB1

32.14

33.79

RD36EB2

32.79

34.49

RD36EB3

33.40

35.13

RD36EB4

34.01

35.77

5

75

5

250

0.5

0.2

27

RD39EB

34.68

40.80

RD39EB1

34.68

36.47

RD39EB2

35.36

37.19

RD39EB3

36.00

37.85

RD39EB4

36.63

38.52

RD39EB5

37.36

39.29

RD39EB6

38.14

40.11

RD39EB7

38.94

40.80

5

85

5

250

0.5

0.2

30

RD43EB

40

45

5

90

5

0.2

33

RD47EB

44

49

5

90

5

0.2

36

RD51EB

48

54

5

110

5

0.2

39

RD56EB

53

60

5

110

5

0.2

43

RD62EB

58

66

2

200

2

0.2

47

RD68EB

64

72

2

200

2

0.2

52

RD75EB

70

79

2

300

2

0.2

57

RD82EB

77

87

2

300

2

0.2

63

RD91EB

85

96

2

400

2

0.2

69

RD100EB

94

106

2

400

2

0.2

76

RD110EB

104

116

1

750

1

0.2

84

RD120EB

114

126

1

900

1

0.2

91

RD130EB

120

140

1

1100

1

0.2

100

RD140EB

130

150

1

1300

1

0.2

110

RD150EB

140

160

1

1500

1

0.2

120

RD160EB

150

170

1

1700

1

0.2

130

RD170EB

160

180

1

1900

1

0.2

140

RD180EB

170

190

1

2200

1

0.2

140

RD190EB

180

200

1

2400

1

0.2

150

RD200EB

190

210

1

2500

1

0.2

160

1) Tested with pulse (20 ms)

2) Zz and Z

ZK are measured at Iz by given a very small A.C. Current Signal.

3) Suffix B is Suffix B1, B2, B3, B4, B5, B6 or B7.