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Document Number: 69750

Revision: 05-Oct-07

Vishay Siliconix

Si7431DP_RC

R-C THERMAL MODEL FOR FILTER CONFIGURATION

Note: NA indicates not applicable

Reference:

[1] "A Simple Method of Generating Thermal Models for a Power MOSFET" by Wharton McDaniel and Kandarp Pandya, IEEE / SEMITHERM 2002

R-C VALUES FOR FILTER CONFIGURATION

Thermal Resistance (°C/W)

Junction to

Ambient

Case

Foot

RF1

1.1104

73.7712 m

N/A

RF2

10.0242

1.0473

N/A

RF3

17.6100

247.5346 m

N/A

RF4

36.2554

131.3942 m

N/A

Thermal Capacitance (Joules/°C)

Junction to

Ambient

Case

Foot

CF1

4.1294 m

390.6485 u

N/A

CF2

39.9661 m

6.5021 m

N/A

CF3

437.8318 m

42.5444 m

N/A

CF4

1.7301

4.6436 m

N/A