{"id":5705,"date":"2025-07-16T00:00:00","date_gmt":"2025-07-16T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/smt-lan-transformers-advantages-design-applications\/"},"modified":"2026-06-22T08:59:47","modified_gmt":"2026-06-22T08:59:47","slug":"smt-lan-transformers-advantages-design-applications","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/smt-lan-transformers-advantages-design-applications","title":{"rendered":"Bi\u1ebfn \u00e1p LAN g\u1eafn SMT: C\u00e1c hi\u1ec3u bi\u1ebft thi\u1ebft k\u1ebf c\u1ed1t l\u00f5i v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"
\"SMT<\/figure>\n\n\n\n

Trong thi\u1ebft b\u1ecb m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, b\u1ed9 bi\u1ebfn \u00e1p LAN \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 gi\u1ea3m nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI). V\u1edbi nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3, C\u00f4ng ngh\u1ec7 g\u1eafn b\u1ec1 m\u1eb7t (<\/strong>SMT<\/strong><\/a>)<\/strong> \u0111\u00e3 tr\u1edf th\u00e0nh ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t b\u1ed9 bi\u1ebfn \u00e1p LAN l\u00ean b\u1ea3ng m\u1ea1ch in (PCB). B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch nh\u1eefng \u01b0u \u0111i\u1ec3m, c\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc trong thi\u1ebft k\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ed9 bi\u1ebfn \u00e1p LAN g\u1eafn b\u1ec1 m\u1eb7t (SMT), v\u1edbi tr\u1ecdng t\u00e2m l\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng cao do LINK-PP<\/a>.<\/p>\n\n\n\n

B\u1ed9 bi\u1ebfn \u00e1p LAN g\u1eafn b\u1ec1 m\u1eb7t (SMT) l\u00e0 g\u00ec?<\/h2>\n\n\n\n

M\u1ed9t B\u1ed9 bi\u1ebfn \u00e1p LAN g\u1eafn b\u1ec1 m\u1eb7t (SMT)<\/a> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n m\u1ea1ng \u0111i\u1ec7n t\u1eeb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 g\u1eafn tr\u1ef1c ti\u1ebfp l\u00ean b\u1ec1 m\u1eb7t PCB. Kh\u00e1c v\u1edbi c\u00e1c linh ki\u1ec7n d\u1ea1ng xuy\u00ean l\u1ed7 truy\u1ec1n th\u1ed1ng, b\u1ed9 bi\u1ebfn \u00e1p SMT cho ph\u00e9p ti\u1ebft ki\u1ec7m di\u1ec7n t\u00edch b\u1ed1 tr\u00ed v\u00e0 h\u1ed7 tr\u1ee3 quy tr\u00ecnh l\u1eafp r\u00e1p t\u1ef1 \u0111\u1ed9ng, do \u0111\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft k\u1ebf thi\u1ebft b\u1ecb m\u1ea1ng hi\u1ec7n \u0111\u1ea1i c\u00f3 m\u1eadt \u0111\u1ed9 linh ki\u1ec7n cao.<\/p>\n\n\n\n

V\u00ec sao n\u00ean ch\u1ecdn SMT cho b\u1ed9 bi\u1ebfn \u00e1p LAN?<\/h2>\n\n\n\n

Hi\u1ec7u qu\u1ea3 v\u1ec1 kh\u00f4ng gian:<\/strong> C\u00e1c linh ki\u1ec7n SMT chi\u1ebfm \u00edt di\u1ec7n t\u00edch tr\u00ean b\u1ea3ng m\u1ea1ch h\u01a1n so v\u1edbi b\u1ed9 bi\u1ebfn \u00e1p d\u1ea1ng xuy\u00ean l\u1ed7. S\u1ef1 nh\u1ecf g\u1ecdn n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 thi\u1ebft b\u1ecb IoT <\/a>n\u01a1i di\u1ec7n t\u00edch PCB b\u1ecb gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n

Hi\u1ec7u n\u0103ng \u0111i\u1ec7n t\u1ed1t h\u01a1n:<\/strong> B\u1ed9 bi\u1ebfn \u00e1p SMT gi\u00fap gi\u1ea3m chi\u1ec1u d\u00e0i d\u00e2y d\u1eabn v\u00e0 \u0111\u1ed9 t\u1ef1 c\u1ea3m k\u00fd sinh, t\u1eeb \u0111\u00f3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng \u1edf t\u1ea7n s\u1ed1 cao \u2014 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c chu\u1ea9n Ethernet t\u1ed1c \u0111\u1ed9 cao.<\/p>\n\n\n\n

Hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t:<\/strong> C\u00f4ng ngh\u1ec7 SMT ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch v\u1edbi quy tr\u00ecnh l\u1eafp r\u00e1p t\u1ef1 \u0111\u1ed9ng b\u1eb1ng m\u00e1y pick-and-place v\u00e0 h\u00e0n ch\u1ea3y<\/a> quy tr\u00ecnh h\u00e0n l\u1ea1i (reflow soldering). S\u1ef1 t\u01b0\u01a1ng th\u00edch n\u00e0y gi\u00fap gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 n\u00e2ng cao t\u00ednh nh\u1ea5t qu\u00e1n \u2014 \u0111i\u1ec1u thi\u1ebft y\u1ebfu cho s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn.<\/p>\n\n\n\n

\"SMT<\/figure>\n\n\n\n

C\u00e1c y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf quan tr\u1ecdng \u0111\u1ed1i v\u1edbi b\u1ed9 bi\u1ebfn \u00e1p LAN g\u1eafn b\u1ec1 m\u1eb7t (SMT)<\/h3>\n\n\n\n
    \n

  1. \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a v\u1ecf b\u1ecdc v\u00e0 b\u1ed1 tr\u00ed ch\u00e2n linh ki\u1ec7n (footprint)<\/strong>Vi\u1ec7c thi\u1ebft k\u1ebf b\u1ed1 tr\u00ed ch\u00e2n linh ki\u1ec7n (footprint) tr\u00ean PCB m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c \u0111\u1ec3 kh\u1edbp v\u1edbi v\u1ecf b\u1ecdc SMD c\u1ee7a b\u1ed9 bi\u1ebfn \u00e1p l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c. LINK-PP cung c\u1ea5p t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt chi ti\u1ebft b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt<\/a> n\u00eau r\u00f5 k\u00edch th\u01b0\u1edbc pad v\u00e0 b\u1ed1 tr\u00ed \u0111\u1ec1 xu\u1ea5t nh\u1eb1m \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n v\u00e0 k\u1ebft n\u1ed1i \u0111i\u1ec7n \u0111\u00e1ng tin c\u1eady.<\/p><\/li>

  2. \u0110\u1ed9 tin c\u1eady v\u1ec1 nhi\u1ec7t v\u00e0 c\u01a1 h\u1ecdc<\/strong>B\u1ed9 bi\u1ebfn \u00e1p LAN g\u1eafn b\u1ec1 m\u1eb7t (SMT) ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 h\u00e0n l\u1ea1i (reflow) ti\u00eau chu\u1ea9n m\u00e0 kh\u00f4ng suy gi\u1ea3m hi\u1ec7u n\u0103ng. Ngo\u00e0i ra, do m\u1ed1i h\u00e0n SMT c\u00f3 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc th\u1ea5p h\u01a1n so v\u1edbi ch\u00e2n linh ki\u1ec7n d\u1ea1ng xuy\u00ean l\u1ed7, c\u00e1c thi\u1ebft k\u1ebf PCB c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gia c\u1ed1 nh\u01b0 \u0111\u1ed5 keo d\u01b0\u1edbi linh ki\u1ec7n (underfill) ho\u1eb7c h\u1ed7 tr\u1ee3 c\u01a1 h\u1ecdc \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t ph\u00e1t sinh trong c\u00e1c chu k\u1ef3 gh\u00e9p n\u1ed1i \u0111\u1ea7u n\u1ed1i.<\/p><\/li>

  3. T\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 qu\u1ea3n l\u00fd EMI<\/strong>T\u1ed1i \u01b0u h\u00f3a b\u1ed1 tr\u00ed PCB xung quanh b\u1ed9 bi\u1ebfn \u00e1p \u2014 bao g\u1ed3m r\u00fat ng\u1eafn chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng d\u1eabn v\u00e0 th\u1ef1c hi\u1ec7n \u0111\u00fang quy tr\u00ecnh n\u1ed1i \u0111\u1ea5t v\u00e0 che ch\u1eafn \u2014 gi\u00fap duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 gi\u1ea3m EMI<\/a>. C\u00e1c module \u0111i\u1ec7n t\u1eeb c\u1ee7a LINK-PP \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nghi\u00eam ng\u1eb7t c\u00e1c ti\u00eau chu\u1ea9n m\u1ea1ng, mang l\u1ea1i kh\u1ea3 n\u0103ng gi\u1ea3m nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) m\u1ea1nh m\u1ebd.<\/p><\/li>

  4. T\u01b0\u01a1ng th\u00edch v\u1edbi quy tr\u00ecnh l\u1eafp r\u00e1p t\u1ef1 \u0111\u1ed9ng<\/strong>C\u00e1c b\u1ed9 bi\u1ebfn \u00e1p LAN g\u1eafn b\u1ec1 m\u1eb7t (SMT) c\u1ee7a LINK-PP \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u00edch h\u1ee3p tr\u01a1n tru v\u00e0o d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng, h\u1ed7 tr\u1ee3 s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nh\u01b0 Ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng (AOI) \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c trong h\u00e0n v\u00e0 l\u1eafp \u0111\u1eb7t.<\/p><\/li>\n<\/ol>\n\n\n\n

    LINK-PP: Nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady c\u1ee7a b\u1ea1n cho b\u1ed9 bi\u1ebfn \u00e1p LAN g\u1eafn b\u1ec1 m\u1eb7t (SMT)<\/h2>\n\n\n\n

    LINK-PP l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t to\u00e0n c\u1ea7u c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eeb LAN ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u01b0\u1ee3c c\u00e1c t\u1eadp \u0111o\u00e0n h\u00e0ng \u0111\u1ea7u trong l\u0129nh v\u1ef1c m\u1ea1ng, vi\u1ec5n th\u00f4ng v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p tin t\u01b0\u1edfng. D\u00f2ng s\u1ea3n ph\u1ea9m b\u1ed9 bi\u1ebfn \u00e1p g\u1eafn b\u1ec1 m\u1eb7t (SMT) c\u1ee7a ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3:<\/p>\n\n\n\n