NXP Semiconductors
BT1308W-600D
4Q Triac
BT1308W-600D All information provided in this document is subject to legal disclaimers. © NXP N.V. 2013. All rights reserved
Product data sheet 20 August 2013 6 / 14
8. Thermal characteristics
Table 5. Thermal characteristics
Symbol Parameter Conditions Min Typ Max Unit
R
th(j-sp)
thermal resistance
from junction to solder
point
full cycle; Fig. 8 - - 15 K/W
full cycle; for minimum footprint; Fig. 6 - 156 - K/WR
th(j-a)
thermal resistance
from junction to
ambient
full cycle; for pad area; Fig. 7 - 70 - K/W
001aab508
3.8 min
1.5
min
1.5
min
(3×)
2.3
4.6
6.3
1.5
min
All dimensions are in mm
Fig. 6. Minimum footprint SOT223
001aab509
7
4.6
15
36
9
10
18
4.5
60
50
All dimensions are in mm
Printed circuit board:
FR4 epoxy glass (1.6 mm thick), copper laminate
(35 um thick)
Fig. 7. Printed circuit board pad area: SOT223