SM15TY datasheet(3/12 Pages) STMICROELECTRONICS

3 / 12 page

SM15TY

Characteristics

Doc ID 17865 Rev 1

3/12

Table 3.

Electrical characteristics, typical values unless otherwise stated (Tamb = 25 °C)

Order code

IRM max@VRM

VBR @IR

(1)

VCL @IPP

10/1000 µs

10/1000

µs

VCL @IPP

8/20 µs

8/20

µs

αT (2)

25 °C 85 °C

min. typ.

max.

µA

V(3)

A(4)

V(3)

A(4)

10-4/

°C

SM15T18AY/CAY

0.2

15.3

17.1

25.2

59.5

0.106

32.5

308

0.044

8.8

SM15T22AY/CAY

0.2

18.8

20.9

30.6

0.153

39.3

254

0.064

9.2

SM15T24AY/CAY

0.2

20.5

22.8

33.2

0.178

42.8

234

0.075

9.4

SM15T27AY/CAY

0.2

23.1

25.7

37.5

0.228

48.3

207

0.096

9.6

SM15T30AY/CAY

0.2

25.6

28.5

41.5

0.278

53.5

187

0.12

9.7

SM15T33AY/CAY

0.2

28.2

31.4

45.7

0.333

169

0.14

9.8

SM15T36AY/CAY

0.2

30.8

34.2

49.9

0.403

64.3

156

0.17

9.9

SM15T39AY/CAY

0.2

33.3

37.1

53.9

0.461

69.7

143

0.2

SM15T47AY/CAY

0.2

40.2

44.7

64.5

23.2

0.653

119

0.291

10.1

SM15T68AY/CAY

0.2

58.1

64.6

16.3

1.26

121

0.6

10.4

Pulse test: tp < 50 ms

To calculate maximum clamping voltage at other surge level, use the following formula: VCLmax = VCL - RD x (IPP - IPPappli)

where IPPappli is the surge current in the application

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

VBR @ TJ = VBR @ 25 °C x (1 + αT x (TJ - 25))

VCL @ TJ = VCL @ 25 °C x (1 + αT x (TJ - 25))

Surge capability given for both directions for unidirectional and bidirectional types.

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