DTD123TK - Documentation

These are the standard products of "digital transistors" which ROHM invented and marketed first in the world.

* This is a standard-grade product.
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Application Note

Two-Resistor Model for Thermal Simulation - Bipolar Transistors
 
This application note explains the two-resistor model, which is the simplest model among thermal models used in thermal simulations. The thermal simulations mentioned three-dimensional model thermal conduction and thermal fluid analysis tools.
What is a Thermal Model? (Transistor)
 
Thermal models are models for performing simulations in relation to heat among SPICE models. Simulations using the thermal models are performed to make a rough estimate during the initial stage of thermal design. This application note explains the thermal models.
Part Explanation
 
For Transistors