SOT23 Thermal Resistance and Derating Information
SOT23 625mW devices
j-c=100°C/W Typical
j-a=190°C/W Typical
=200°C/W Maximum
Mounted on a 15 x 15 x 0.6 mm
alumina substrate connected using
25mm x 0.5mm dia copper wire
SOT23 (625mW and 500mW) Derating
SOT23 500mW devices
*330mW shown for reference only
qj-c=110°C/W Typical
j-a=200°C/W Typical
=250°C/W Maximum
Mounted on a 15 x 15 x 0.6 mm
alumina substrate connected using
25mm x 0.5mm dia copper wire