nūhou

He aha ka hana a SMD inductor i nā kukui mālama ola LED?

No ka mea hiki i nā chip inductors ke hoʻonui i ke ola lawelawe o nā huahana uila mea kūʻai aku, hoʻomaikaʻi i ka maikaʻi o nā huahana, ka maikaʻi ʻole, a me ka hana, ua hoʻohana ʻia lākou e nā mea hana.

ʻAʻole ia i hoʻohana wale ʻia i nā lako lako mana, akā i nā mea leo leo, nā lako terminal, nā mea pono hale a me nā huahana uila a me nā uila, no laila ʻaʻole e hoʻopili ʻia nā hōʻailona electromagnetic, a i ka manawa like, ʻaʻole ia e hoʻopilikia i nā hōʻailona a i ʻole. ʻO ka pāhawewe electromagnetic i hoʻopuka ʻia e nā mea hana ʻē aʻe a puni. .

Hoʻohana nui ʻia nā kukui mālama ola i ko mākou ola; a me nā kukui ho'ōla ikehu LED i haku ʻia me nā diodes māmā semiconductor; he ʻano kukui lākou e hoʻopau i ka mana liʻiliʻi a he lōʻihi ke ola lawelawe.

ʻO ke kaapuni kūloko o ke kukui mālama ola LED he substrate kaapuni mana, ka mea nui e pili ana i nā capacitors electrolytic, resistors, power inductors, ceramic capacitors, etc. I waena o lākou, he helu liʻiliʻi he chip power inductors, a ʻoi aku ka nui o kāna kuleana. .

ʻO ka mea nui e ālai i ka AC a me DC, a ālai i ke alapine kiʻekiʻe a me ke alapine haʻahaʻa (filtering). ʻO kaʻoiaʻiʻo, ʻo ka mana kaapuni ka mea nui e poloka iā AC a me DC. Hiki ke ʻike ʻia ʻo ke kūʻē ʻana o ka mana chip inductor i DC ua aneane ʻole.

Ma lalo o ke kūlana o kēia manawa e hiki ai i ke kaapuni ke hele, ke kāohi nei ka chip inductance i ka hele ʻana o ka helu AC, pale i ka papa kaapuni mai ka pōʻino, a hoʻonui nui i ke ola lawelawe o ka LED.