All Transistor Equivalent Book 📥

Select 10–20 transistors that cover 90% of replacements:

For each hero part, list 20–30 originals it replaces. That is your custom equivalent book. all transistor equivalent book


The printed book has evolved. Today, the "all transistor equivalent book" lives online and in software. Here are the best digital tools: Select 10–20 transistors that cover 90% of replacements:

Why rely on a generic book? Build a personalized all transistor equivalent book for your lab or repair bench. For each hero part, list 20–30 originals it replaces

You cannot trust the pinout. Two electrically identical transistors may have different pin arrangements.

Solution: Before soldering, use a $10 component tester or a multimeter in diode mode to identify Base, Collector, Emitter.