Transient Thermal Analyzer
Analyze junction temperature during pulsed operation using thermal impedance (Zth)
Pulse Parameters
100 W
10 ms
50%
Thermal Parameters
RC Network (Foster Model)
R1 = 0.05 °C/Wτ1 = 0.0005s
R2 = 0.15 °C/Wτ2 = 0.005s
R3 = 0.25 °C/Wτ3 = 0.05s
R4 = 0.35 °C/Wτ4 = 0.3s
RθJC = 0.80 °C/W
Safe operation: 36.4°C margin
Peak: 113.6°C | Limit: 150°C
Temperature Response
113.6°C
Peak TJ
130.0°C
Steady State
50.0 W
Avg Power
20.0 ms
Period
Note: This is a simplified Foster model analysis. For accurate results, use the actual Zth curve data from your device datasheet. The model assumes single-pulse thermal impedance applies to periodic pulses (valid for tpulse < τ1).