Thermal Resistance of 2sc5200

goodlife · 20th April 2005, 09:26 PM

Does anyone know the thermal resistance [R(th)] for Toshiba 2sc5200 & 2sa1943?

I've had a look on there datasheets but can't find any info.

Cheers

Goodlife

AndrewT · 21st April 2005, 07:59 PM

Hi,
you're dam well right.
You have to calculate Rthjc as below
Tjmax - Tc:- 150 degC - 25degC =125Cdeg
Power =150w
Rthjc = 125/150 = 0.833 Cdeg/w

goodlife · 21st April 2005, 09:41 PM

Now I did not know that.

Appreciate the help

Goodlife

20th April 2005, 09:26 PM	#1
goodlife diyAudio Member Join Date: Oct 2004	Thermal Resistance of 2sc5200 Does anyone know the thermal resistance [R(th)] for Toshiba 2sc5200 & 2sa1943? I've had a look on there datasheets but can't find any info. Cheers Goodlife

21st April 2005, 07:59 PM	#2
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	Hi, you're dam well right. You have to calculate Rthjc as below Tjmax - Tc:- 150 degC - 25degC =125Cdeg Power =150w Rthjc = 125/150 = 0.833 Cdeg/w __________________ regards Andrew T.

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21st April 2005, 09:41 PM	#3
goodlife diyAudio Member Join Date: Oct 2004	Now I did not know that. Appreciate the help Goodlife

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