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Junction temperature of NTS0104

2 weeks ago

113 Views

nxf64834

NXP Employee

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6 Replies

2 weeks ago

107 Views

reyes

NXP TechSupport

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Hi,

Please confirm which version of the NTS0104 you are interested in, there are 7 different part numbers with 4 different packages associated with the NTS0104.

I need this information to search for the Junction Temperature data.

Thanks,

Jose

2 weeks ago

103 Views

nxf64834

NXP Employee

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Hi,

I need this data for NTS0104PW-Q100.

Thanks

2 weeks ago

100 Views

reyes

NXP TechSupport

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Hi,

Here is the NTS0104PW-Q100 information page (https://www.nxp.com/part/NTS0104PW-Q100#/), if you scroll down, you will find a table of the Operating Characteristics, in this table you can find:

Rth(j-a) (K/W) = 175 (Junction to ambient)

th(j-top) (K/W) = 40 (Junction to top)

Is this the information you are looking for?

Regards,

Jose

2 weeks ago

80 Views

nxf64834

NXP Employee

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2 weeks ago

67 Views

reyes

NXP TechSupport

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I will check with QA and get back to you

2 weeks ago

58 Views

nxf64834

NXP Employee

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Thanks. That would be great.

Also, there is one more doubt, the maximum junction temperature of NTS0304 is mentioned 85 degree C in datasheet, whereas the maximum ambient temperature given is 125 degree C.

According to formula of Junction temp, it is equal to the summation of Ambient temperature and product of Thermal resistance & Power dissipation. Hence, Junction temp will always be greater than ambient temp.

My query is if we are using the IC at 100 degree ambient temp, then the junction temp will be greater than 100 degree C, hence crossing the maximum junction temperature but the ambient is within the limits. So, can we use this IC at 100 degree C?