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NSI45020AT1G
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3
THERMAL CHARACTERISTICS
Characteristic
Symbol
Max
Unit
Total Device Dissipation (Note 5) T
A
 = 25癈
 Derate above 25癈
P
D
208
1.66
mW
mW/癈
Thermal Resistance, JunctiontoAmbient (Note 5)
R
?/DIV>
JA
600
癈/W
Thermal Reference, LeadtoAmbient (Note 5)
R
?/DIV>
LA
404
癈/W
Thermal Reference, JunctiontoCathode Lead (Note 5)
R
?SPAN class="pst NSI45020AT1G_2645354_5">JL
196
癈/W
Total Device Dissipation (Note 6) T
A
 = 25癈
 Derate above 25癈
P
D
227
1.8
mW
mW/癈
Thermal Resistance, JunctiontoAmbient (Note 6)
R
?SPAN class="pst NSI45020AT1G_2645354_5">JA
550
癈/W
Thermal Reference, LeadtoAmbient (Note 6)
R
?SPAN class="pst NSI45020AT1G_2645354_5">LA
390
癈/W
Thermal Reference, JunctiontoCathode Lead (Note 6)
R
?/DIV>
JL
160
癈/W
Total Device Dissipation (Note 7) T
A
 = 25癈
 Derate above 25癈
P
D
347
2.8
mW
mW/癈
Thermal Resistance, JunctiontoAmbient (Note 7)
R
?SPAN class="pst NSI45020AT1G_2645354_5">JA
360
癈/W
Thermal Reference, LeadtoAmbient (Note 7)
R
?SPAN class="pst NSI45020AT1G_2645354_5">LA
200
癈/W
Thermal Reference, JunctiontoCathode Lead (Note 7)
R
?/DIV>
JL
160
癈/W
Total Device Dissipation (Note 8) T
A
 = 25癈
 Derate above 25癈
P
D
368
2.9
mW
mW/癈
Thermal Resistance, JunctiontoAmbient (Note 8)
R
?SPAN class="pst NSI45020AT1G_2645354_5">JA
340
癈/W
Thermal Reference, LeadtoAmbient (Note 8)
R
?SPAN class="pst NSI45020AT1G_2645354_5">LA
208
癈/W
Thermal Reference, JunctiontoCathode Lead (Note 8)
R
?SPAN class="pst NSI45020AT1G_2645354_5">JL
132
癈/W
Total Device Dissipation (Note 9) T
A
 = 25癈
 Derate above 25癈
P
D
436
3.5
mW
mW/癈
Thermal Resistance, JunctiontoAmbient (Note 9)
R
?SPAN class="pst NSI45020AT1G_2645354_5">JA
287
癈/W
Thermal Reference, LeadtoAmbient (Note 9)
R
?SPAN class="pst NSI45020AT1G_2645354_5">LA
139
癈/W
Thermal Reference, JunctiontoCathode Lead (Note 9)
R
?SPAN class="pst NSI45020AT1G_2645354_5">JL
148
癈/W
Total Device Dissipation (Note 10) T
A
 = 25癈
 Derate above 25癈
P
D
463
3.7
mW
mW/癈
Thermal Resistance, JunctiontoAmbient (Note 10)
R
?SPAN class="pst NSI45020AT1G_2645354_5">JA
270
癈/W
Thermal Reference, LeadtoAmbient (Note 10)
R
?/DIV>
LA
150
癈/W
Thermal Reference, JunctiontoCathode Lead (Note 10)
R
?SPAN class="pst NSI45020AT1G_2645354_5">JL
120
癈/W
Junction and Storage Temperature Range
T
J
, T
stg
55 to +150
癈
5.  FR4 @ 100 mm
2
, 1 oz. copper traces, still air.
6.  FR4 @ 100 mm
2
, 2 oz. copper traces, still air.
7.  FR4 @ 300 mm
2
, 1 oz. copper traces, still air.
8.  FR4 @ 300 mm
2
, 2 oz. copper traces, still air.
9.  FR4 @ 500 mm
2
, 1 oz. copper traces, still air.
10.FR4 @ 500 mm
2
, 2 oz. copper traces, still air.
NOTE: Lead measurements are made by noncontact methods such as IR with treated surface to increase emissivity to 0.9.
Lead temperature measurement by attaching a T/C may yield values as high as 30% higher 癈/W values based upon empirical
measurements and method of attachment.
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