29. Packages of Transistor

Question.2

Ravi is designing a small controller board and needs to choose between a through-hole transistor (TO-92 / TO-220) and an SMD transistor (SOT-23 / DPAK).
Both options meet the electrical requirements.

What is the most practical factor Ravi should consider while making this choice?

Through-hole parts always perform electrically better
SMD parts are always cheaper
Assembly method, thermal needs, and serviceability
Through-hole parts do not require datasheets

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