Known Pair Selection
Thermal Estimate
Junction Temp. Rise (ΔT)-- °C
0°C40°C85°C
Awaiting Input
Circuit Results
Voltage (V)
--V
Current (I)
--A
Resistance (R)
--Ω
Power Dissipation (P)
--W
Formulas
Ohm's Law: V = I·R
Power: P = V·I = I²·R = V²/R
Thermal model: ΔT = P × Rθ (Rθ=20°C/W)
Max recommended junction: 85°C rise above ambient
DC Circuit Schematic
V‑I Characteristic
Power Distribution (Resistor vs. Ideal Source)