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Document Number:74111

Revision 14-Nov-05

Vishay Siliconix

Si4684DY_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

4.0154

N/A

3.2171

RF2

9.4382

N/A

13.5708

RF3

8.0801

N/A

4.3045

RF4

28.4203

N/A

6.7275

Thermal Capacitance (Joules/°C)

Junction to

Ambient

Case

Foot

CF1

5.4161 m

N/A

475.8931 µ

CF2

37.1706 m

N/A

5.3294 m

CF3

176.0921 m

N/A

65.4259 m

CF4

1.9925

N/A

2.3240 m