TS420 Datasheet, PDF (5/8 Pages) STMicroelectronics – 4A SCRs

TS420 Series
Fig. 10: On-state characteristics (maximum
values).
ITM(A)
50.0
10.0
Tj max.:
Vto = 0.85V
Rd = 90m Ω
Tj = Tj max.
1.0
Tj = 25°C
VTM(V)
0.1
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Fig. 11: Thermal resistance junction to ambient
versus copper surface under tab (Epoxy printed
circuit board FR4, copper thickness: 35 µm)
(DPAK).
Rth(j-a) ( °C/W)
100
80
60
40
20
S(cm²)
0
0 2 4 6 8 10 12 14 16 18 20
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