ɐn aɪdˈiəl dˈaɪoʊd ɪz ɐ dˈaɪoʊd ðæt kəndˈʌkts ᵻlɛktɹˈɪsᵻɾi ɪnðə fˈɔːɹwɚd dᵻɹˈɛkʃən wɪð nˈoʊ ɹᵻsˈɪstəns ɪf ɐ fˈɔːɹwɚd vˈoʊltɪdʒ ɪz ɐplˈaɪd, bˌʌt ɐlˈaʊz nˈoʊ kˈɜːɹənt tə flˈoʊ ɪnðə ɹᵻvˈɜːs dᵻɹˈɛkʃən.
An ideal diode is a diode that conducts electricity in the forward direction with no resistance if a forward voltage is applied, but allows no current to flow in the reverse direction.