SM4T28CAY View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

SM4T28CAY

Automotive 400 W Transil™

STMicroelectronics 

SM4TY

Characteristics

Figure 9. Thermal resistance junction to

ambient versus copper surface under each lead

130 Rth(j-a)(°C/W)

120

Printed circuit board FR4,

110

copper thickness = 35 µm

100

90

80

70

60

50

40

30

20

10

SCu(cm²)

0

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

Figure 10. Leakage current versus junction

temperature (typical values)

1.E+03 IR(nA)

1.E+02 VR = VRM

VRM < 10 V

1.E+01

1.E+00

1.E-01

25

VR = VRM

VRM ≥ 10 V

50

75

100

Tj(°C)

125

150

Figure 11. Peak forward voltage drop versus peak forward current (typical values)

1.0E+02 IFM(A)

1.0E+01

1.0E+00

Tj = 125 °C

Tj = 25 °C

1.0E-01

1.0E-02

VFM(V)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

DocID17862 Rev 4

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