If you cannot find the original D998/B778, several equivalents offer similar or superior power handling. When replacing, it is critical to replace both (the pair) with the same model to maintain balance. 2SD718 / 2SB688
: Pengganti "upgrade" yang paling umum. Memiliki rating lebih tinggi ( ), sehingga lebih tahan panas dan beban berat. : Spesifikasi tinggi yang umum pada amplifier model lama. Go to product viewer dialog for this item. Persamaan Transistor D998 B778
Note: Do not confuse with TO-247 or TO-3P. MT-200 has wider body and different pin shape. If you cannot find the original D998/B778, several