LDP01-33AY datasheet(3/11 Pages) STMICROELECTRONICS

Part #	LDP01-33AY

Description	Automotive TVS for load dump protection

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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3 / 11 page

DocID026556 Rev 2

3/11

LDP01-xxAY

Characteristics

11

Table 4. Electrical characteristics (parameter)

Order code

IRM max. at VRM

VBR at IR

(1)

VCL at IPP

10/1000 µs

RD

(2)

10/1000

µs

VCL at IPP

8/20 µs

RD

(2)

8/20 µs

⍺ T(3)

25 °C 175 °C

min. typ. max.

max.

µA

V

mA

V

A

m

Ω

VA

m

Ω 10-4/°C

LDP01-26AY

1

100

22 24.4

26

27.0

1

36

140

64

42

1400

11

9.6

LDP01-28AY

1

100

24 26.7

28

29.5

1

40

120

88

45

1250

12

9.7

LDP01-30AY

1

100

27 28.9

30

31.9

1

40

125

65

49

1400

12

9.7

LDP01-33AY

1

100

28 31.1

33

34.3

1

43.5

110

75

56

1250

17

9.8

LDP01-35AY

1

100

30 33.3

35

36.9

1

45.5

95

91

60

1150

20

9.9

LDP01-39AY

1

100

33 36.7

39

40.5

1

51.5

85

129

66

1050

24

10

LDP01-42AY

1

100

36

40

42

44.2

1

57

77

166

71

1000

27

10

LDP01-47AY

1

100

40 44.4

47

49

1

63

65

215

76.5

950

29

10.1

LDP01-50AY

1

100

43 47.8

50

52.8

1

68

55

276

81

900

31

10.2

LDP01-56AY

1

100

48 53.3

56

58.9

1

76

48

356

90

770

40

10.3

LDP01-68AY

1

100

58 64.4

68

71.2

1

92

42

495

110

620

63

10.4

LDP01-82AY

1

100

70 77.8

82

86

1

113

35

771

135

550

89

10.5

1.

Pulse test: tP < 50 ms

2.

To calculate maximum clamping voltage at other surge level, use the following formula: VCLmax = RD x IPP + VBRmax

3.

To calculate VBR or VCL versus junction temperature, use the following formulas:

VBR at Tj = VBR at 25 °C x (1 + ⍺ T x (Tj - 25))

VCL at Tj = VCL at 25 °C x (1 + ⍺ T x (Tj - 25))

Figure 3. Peak pulse power dissipation versus

initial junction temperature (LDP01-30AY)

Figure 4. Peak pulse power versus exponential

pulse duration (LDP01-30AY)

0

1

2

3

4

5

6

0

25

50

75

100

125

150

175

200

P PP (kW)

Tj(°C )

10/1000 µs

TJ initial = 25 C

LDP01-30AY

0.1

1

10

100

1000

0.01

0.1

1

10

100

PPP (kW)

tp (ms)

TJ initial = 25 °C

LDP01-30AY

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