{"id":14690,"date":"2023-08-23T06:36:45","date_gmt":"2023-08-23T06:36:45","guid":{"rendered":"https:\/\/www2.iled-lights.com\/?post_type=product&p=14690"},"modified":"2026-09-12T16:41:59","modified_gmt":"2026-09-12T16:41:59","slug":"cob-g4-led-light-3w-4w-5w","status":"publish","type":"product","link":"https:\/\/www.iled-lights.com\/vi\/glass-cob-g4-led-small-pin-crystal-lamp-bead-p469.html","title":{"rendered":"\u0110\u00e8n LED COB G4 3W 4W 5W"},"content":{"rendered":"

Tu\u00fdp \u0111\u00e8n halogen G4 s\u1ed1ng trong nh\u1eefng \u1ed5 c\u1eafm n\u01a1i b\u00f3ng \u0111\u00e8n nh\u1ecf nh\u1ea5t v\u00e0 c\u00f4ng vi\u1ec7c kh\u00f3 kh\u0103n nh\u1ea5t: \u0111\u00e8n ch\u00f9m pha l\u00ea, c\u00e1c t\u1ee7 tr\u01b0ng b\u00e0y v\u00e0 \u0111\u00e8n tranh, n\u01a1i h\u00e0ng ch\u1ee5c tu\u00fdp \u0111\u00e8n \u0111\u1ed1t ch\u00e1y b\u00ean trong k\u00ednh v\u00e0 kim lo\u1ea1i h\u00e0ng gi\u1edd m\u1ed7i l\u1ea7n. ILED-BL60-A B thay th\u1ebf n\u00f3 m\u1ed9t c\u00e1ch t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u2014 m\u1ed9t COB G4 k\u00ednh tr\u00ean c\u00f9ng c\u00e1c ch\u1ed1t nh\u1ecf, ch\u1ea1y m\u1ed9t ph\u1ea7n nh\u1ecf c\u00f4ng su\u1ea5t \u1edf c\u00f9ng k\u00edch th\u01b0\u1edbc g\u1ecdn g\u00e0ng.<\/p>\n

Ba \u0111\u1ea7u ra<\/h2>\n

M\u1eabu 3W ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c 280 \u0111\u1ebfn 300 lumen t\u1eeb vi\u00ean nang k\u00ednh 49\u00d713mm, k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ed5 \u0111\u1ee1 ch\u1eadt h\u1eb9p nh\u1ea5t. M\u1eabu 4W ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c 380 \u0111\u1ebfn 400 lumen t\u1eeb vi\u00ean nang 60\u00d713mm. M\u1eabu 5W ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c 480 \u0111\u1ebfn 500 lumen t\u1eeb vi\u00ean nang 16\u00d760mm, v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c vi\u00ean nang s\u00e1ng h\u01a1n trong c\u00e1c ph\u1ee5 ki\u1ec7n ch\u00e2n n\u1ebfn nhi\u1ec1u tay l\u1edbn h\u01a1n. C\u1ea3 ba m\u1eabu \u0111\u1ec1u d\u00f9ng chung ch\u1ea5u v\u00e0 hai m\u1ee9c nhi\u1ec7t m\u00e0u gi\u1ed1ng nhau, v\u00ec v\u1eady m\u1ed9t chi\u1ebfc \u0111\u00e8n ch\u00f9m c\u00f3 th\u1ec3 ph\u1ed1i tr\u1ed9n c\u00e1c m\u1ee9c s\u00e1ng theo t\u1eebng v\u1ecb tr\u00ed \u2014 s\u00e1ng h\u01a1n ph\u00eda tr\u00ean b\u00e0n, m\u1ec1m m\u1ea1i h\u01a1n \u1edf c\u00e1c m\u00e9p \u2014 trong khi c\u00e1c vi\u00ean nang v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c s\u1ef1 th\u1ed1ng nh\u1ea5t v\u1ec1 thi\u1ebft k\u1ebf. C\u1ea3 ba \u0111\u1ec1u s\u1eed d\u1ee5ng chip COB \u0111\u1eb7t ph\u00eda sau l\u1edbp k\u00ednh, do \u0111\u00f3 vi\u00ean nang tr\u00f4ng nh\u01b0 m\u1ed9t b\u1ec1 m\u1eb7t \u00e1nh s\u00e1ng \u0111\u1ed3ng nh\u1ea5t thay v\u00ec m\u1ed9t v\u00f2ng tr\u00f2n c\u00e1c ch\u1ea5m \u0111i\u1ec3m \u2014 \u0111\u00e2y ch\u00ednh l\u00e0 \u0111i\u1ec1u m\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n pha l\u00ea v\u00e0 k\u00ednh c\u1ea7n, v\u00ec vi\u00ean nang \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u1ed9 ra b\u00ean trong ch\u00fang.<\/p>\n

Chip COB v\u00e0 l\u1edbp k\u00ednh<\/h2>\n

Hai l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf t\u1ea1o n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa lo\u1ea1i b\u00f3ng \u0111\u00e8n n\u00e0y so v\u1edbi c\u00e1c LED G4 gi\u00e1 r\u1ebb h\u01a1n. Chip l\u00e0 lo\u1ea1i COB \u2014 m\u1ed9t chip, m\u1ed9t v\u00f9ng s\u00e1ng \u0111\u1ec1u \u2014 thay v\u00ec c\u1ee5m \u0111i\u1ec3m SMD, do \u0111\u00f3 \u00e1nh s\u00e1ng xuy\u00ean qua c\u00e1c gi\u1ecdt pha l\u00ea v\u00e0 ch\u1ee5p \u0111\u00e8n k\u00ednh v\u1eabn m\u01b0\u1ee3t m\u00e0, v\u00e0 hi\u1ec7u \u1ee9ng l\u1ea5p l\u00e1nh \u0111\u1ebfn t\u1eeb pha l\u00ea ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb c\u00e1c LED ph\u00eda sau. Th\u00e2n \u0111\u00e8n l\u00e0m b\u1eb1ng k\u00ednh thay v\u00ec nh\u1ef1a, gi\u00fap vi\u00ean nang tr\u00f4ng gi\u1ed1ng v\u1edbi \u0111\u00e8n halogen m\u00e0 n\u00f3 thay th\u1ebf v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t trong c\u00e1c \u1ed5 \u0111\u1ee1 nh\u1ecf k\u00edn m\u00e0 \u1ed5 G4 th\u01b0\u1eddng s\u1eed d\u1ee5ng. K\u00ednh c\u0169ng gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 trong su\u1ed1t qua nhi\u1ec1u n\u0103m sau c\u00e1c ch\u1ee5p \u0111\u00e8n pha l\u00ea v\u00e0 k\u00ednh, n\u01a1i m\u1ed9t s\u1ed1 lo\u1ea1i nh\u1ef1a b\u1ecb m\u1edd v\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u \u1ee9ng l\u1ea5p l\u00e1nh m\u00e0 ph\u1ee5 ki\u1ec7n mang l\u1ea1i.<\/p>\n

\u0110i\u1ec7n \u00e1p v\u00e0 ph\u1ee5 ki\u1ec7n<\/h2>\n

B\u00f3ng \u0111\u00e8n ho\u1ea1t \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u1edf 220V ho\u1eb7c 110V, do \u0111\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ph\u1ee5 ki\u1ec7n \u1edf Ch\u00e2u \u00c2u, \u00dac v\u00e0 B\u1eafc M\u1ef9 m\u00e0 kh\u00f4ng c\u1ea7n m\u00e1y bi\u1ebfn \u00e1p. Hai ki\u1ec3m tra th\u1ef1c t\u1ebf tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng: chi\u1ec1u d\u00e0i, v\u00ec th\u00e2n \u0111\u00e8n 60mm d\u00e0i h\u01a1n th\u00e2n \u0111\u00e8n 3W 49mm v\u00e0 c\u00e1c \u1ed5 G4 nh\u1ecf c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 kho\u1ea3ng kh\u00f4ng gian ph\u00eda sau gi\u1ecdt pha l\u00ea; v\u00e0 m\u1ee9c nhi\u1ec7t m\u00e0u, v\u00ec \u00e1nh s\u00e1ng tr\u1eafng \u1ea5m 2700-3000K v\u00e0 \u00e1nh s\u00e1ng tr\u1eafng l\u1ea1nh 6000-6500K \u0111\u01b0\u1ee3c b\u00e1n ri\u00eang l\u1ebb v\u00e0 ph\u1ee5 ki\u1ec7n s\u1ebd tr\u00f4ng l\u1ec7ch m\u00e0u n\u1ebfu tr\u1ed9n l\u1eabn hai lo\u1ea1i.<\/p>\n

N\u01a1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/h2>\n

\u0110\u00e8n ch\u00f9m pha l\u00ea v\u00e0 \u0111\u00e8n t\u01b0\u1eddng c\u00f3 \u1ed5 G4, n\u01a1i vi\u00ean nang c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y qua c\u00e1c gi\u1ecdt pha l\u00ea. \u0110\u00e8n n\u1ed9i th\u1ea5t v\u00e0 \u0111\u00e8n tr\u01b0ng b\u00e0y, n\u01a1i vi\u00ean nang nh\u1ecf g\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi ki\u1ec3u d\u00e1ng v\u00e0 chip COB gi\u1eef cho h\u00e0ng h\u00f3a \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng \u0111\u1ec1u. \u0110\u00e8n \u1ea3nh v\u00e0 \u0111\u00e8n soi g\u01b0\u01a1ng, n\u01a1i vi\u00ean nang \u0111\u1eb7t g\u1ea7n m\u1eb7t k\u00ednh v\u00e0 th\u00e2n \u0111\u00e8n b\u1eb1ng k\u00ednh ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng k\u00edn. V\u00e0 b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o \u0111\u00e8n halogen G4 v\u1eabn \u0111ang s\u1eed d\u1ee5ng \u2014 ch\u1ea5u gi\u1ed1ng nhau, c\u00f4ng t\u1eafc gi\u1ed1ng nhau, v\u00e0 c\u1ea3 nhi\u1ec7t l\u01b0\u1ee3ng l\u1eabn m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n gi\u1ea3m \u0111i ngay t\u1eeb l\u1ea7n b\u1eadt c\u00f4ng t\u1eafc \u0111\u1ea7u ti\u00ean. \u0110\u1ed1i v\u1edbi m\u1ed9t chi\u1ebfc \u0111\u00e8n ch\u00f9m c\u00f3 12 \u1ed5, \u0111\u00e2y l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t ph\u1ee5 ki\u1ec7n m\u00e0 gia \u0111\u00ecnh c\u00f3 th\u1ec3 b\u1eadt t\u1eaft t\u1ef1 do v\u00e0 m\u1ed9t ph\u1ee5 ki\u1ec7n m\u00e0 h\u1ecd b\u1ecf qu\u00ean v\u00ec ph\u00f2ng m\u00e0 n\u00f3 s\u01b0\u1edfi \u1ea5m kh\u00f4ng ph\u1ea3i l\u00e0 ph\u00f2ng h\u1ecd \u0111ang \u1edf.<\/p>\n

Thay th\u1ebf \u0111\u00e8n halogen<\/h2>\n

Vi\u1ec7c thay \u0111\u1ed5i l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c c\u00f9ng chi\u1ec1u trong m\u1ed9t chi\u1ebfc \u0111\u00e8n ch\u00f9m: t\u1eaft, r\u00fat m\u1ed7i b\u1ed9 b\u00f3ng \u0111\u00e8n halogen, c\u1eafm ch\u00e2n G4 v\u00e0o, b\u1eadt l\u00ean. Kh\u00f4ng c\u00f3 b\u1ed9 bi\u1ebfn \u00e1p n\u00e0o c\u1ea7n n\u1ed1i l\u1ea1i d\u00e2y b\u00ean trong th\u00e2n \u0111\u00e8n ch\u00f9m, kh\u00f4ng c\u00f3 b\u1ed9 ngu\u1ed3n n\u00e0o c\u1ea7n t\u00ecm ch\u1ed7 \u0111\u1eb7t, kh\u00f4ng c\u00f3 \u1ed5 c\u1eafm n\u00e0o c\u1ea7n s\u1eeda \u0111\u1ed5i. Hai b\u01b0\u1edbc ki\u1ec3m tra tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng \u2014 chi\u1ec1u d\u00e0i c\u1ee7a b\u00f3ng so v\u1edbi kh\u00f4ng gian ph\u00eda sau c\u00e1c h\u1ea1t \u0111\u00e1, v\u00e0 xem \u1ed5 c\u1eafm c\u00f3 ch\u1ea1y b\u1ed9 gi\u1ea3m s\u00e1ng kh\u00f4ng, v\u00ec th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00f4ng li\u1ec7t k\u00ea t\u00ednh n\u0103ng gi\u1ea3m s\u00e1ng cho lo\u1ea1i b\u00f3ng n\u00e0y v\u00e0 b\u00f3ng kh\u00f4ng gi\u1ea3m s\u00e1ng tr\u00ean m\u1ea1ch gi\u1ea3m s\u00e1ng s\u1ebd ho\u1ea1t \u0111\u1ed9ng sai l\u1ec7ch. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ed5 c\u1eafm kh\u00f4ng c\u00f3 b\u1ed9 gi\u1ea3m s\u00e1ng, l\u01b0\u1ee3ng nhi\u1ec7t m\u00e0 c\u00e1c b\u1ed9 b\u00f3ng c\u0169 t\u1ecfa ra ph\u00f2ng v\u00e0 l\u00ean c\u00e1c h\u1ea1t \u0111\u00e1 s\u1ebd bi\u1ebfn m\u1ea5t c\u00f9ng ch\u00fang, v\u00e0 h\u1ea1t \u0111\u00e1 s\u1ebd m\u00e1t h\u01a1n v\u00e0 s\u1ea1ch h\u01a1n gi\u1eefa c\u00e1c l\u1ea7n v\u1ec7 sinh.<\/p>","protected":false},"excerpt":{"rendered":"

ILED-BL60-A B l\u00e0 b\u00f3ng \u0111\u00e8n LED COB G4 b\u1eb1ng k\u00ednh v\u1edbi ba m\u1ee9c c\u00f4ng su\u1ea5t: 3W \u0111\u1ea1t 280-300 lumen (49\u00d713mm), 4W \u0111\u1ea1t 380-400 lumen (60\u00d713mm) v\u00e0 5W \u0111\u1ea1t 480-500 lumen (16\u00d760mm).Chip COB \u0111\u01b0\u1ee3c \u0111\u1eb7t ph\u00eda sau v\u1ecf b\u1ecdc k\u00ednh v\u1edbi ch\u00e2n G4, ho\u1ea1t \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u1edf 220V ho\u1eb7c 110V, v\u00e0 c\u00f3 s\u1eb5n \u00e1nh s\u00e1ng tr\u1eafng \u1ea5m 2700-3000K ho\u1eb7c \u00e1nh s\u00e1ng tr\u1eafng m\u00e1t 6000-6500K. \u0110\u00e2y l\u00e0 s\u1ea3n ph\u1ea9m thay th\u1ebf cho c\u00e1c v\u1ecf \u0111\u00e8n halogen G4 ch\u00e2n nh\u1ecf trong \u0111\u00e8n ch\u00f9m pha l\u00ea, \u0111\u00e8n t\u1ee7 v\u00e0 \u0111\u00e8n tr\u01b0ng b\u00e0y \u2014 c\u00f9ng ch\u00e2n c\u1eafm, nh\u01b0ng l\u01b0\u1ee3ng nhi\u1ec7t t\u1ecfa ra ch\u1ec9 b\u1eb1ng m\u1ed9t ph\u1ea7n nh\u1ecf.<\/p>","protected":false},"featured_media":14689,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[169,172],"product_tag":[305],"class_list":["post-14690","product","type-product","status-publish","has-post-thumbnail","product_cat-decorative-led-lighting","product_cat-decorative-light-bulbs","product_tag-decorative-lighting","first","instock","shipping-taxable","product-type-simple"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/product\/14690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/comments?post=14690"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media\/14689"}],"wp:attachment":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media?parent=14690"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/product_brand?post=14690"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/product_cat?post=14690"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/product_tag?post=14690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}