Excuse me, a properly sized MOSFET is nearly 5p more and a TVS diode is nearly a penny for 4. Why do you hate profits? Jokes aside, I think it's more likely th

Excuse me, a properly sized MOSFET is nearly 5p more and a TVS diode is nearly a penny for 4. Why do you hate profits? Jokes aside, I think it's more likely that the undersized parts are the revised design, the original being "wastefully robust".