XC6133 Datasheet, PDF (25/28 Pages) Torex Semiconductor – Delay capacitor adjustable voltage detectors with sense pin isolation

■PACKAGING INFORMATION (Continued)
●SOT-26 Power Dissipation (Toprmax+125℃)
Power dissipation data for the SOT-26 is shown in this page.
The value of power dissipation varies with the mount board conditions.
Please use this data as the reference data taken in the following condition.
1. Measurement Condition
Condition: Mount on a board
Ambient: Natural convection
Soldering: Lead (Pb) free
Board: Dimensions 40 x 40 mm (1600 mm² in one side)
Copper (Cu) traces occupy 50% of the board area
In top and back faces
(Board of SOT-26 is used)
Material: Glass Epoxy (FR-4)
Thickness: 1.6mm
Through-hole 4 x 0.8 Diameter
XC6133
Series
40.0
28.9
2.54
1.4
Evaluation Board (Unit: mm)
2. Power Dissipation vs. Ambient Temperature
Board Mount (Tjmax=125℃)
Ambient Temperature (℃)
25
85
Power Dissipation Pd (mW)
600
240
Thermal Resistance (℃/W)
166.67
700
600
500
400
300
200
100
0
25
Pd vs Ta (Ta=125℃)
45
65
85
105
125
Ambient Temperature : Ta（℃）
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