![](https://ae01.alicdn.com/kf/Heef2295df07f457a916a90e25c42a4beU.jpg)
![](https://ae01.alicdn.com/kf/Hd0d51068434649d2bf2034e7c67b56edB.jpg)
![](https://ae01.alicdn.com/kf/Hce1abf39e3974d728fc387052c5e30eeF.jpg)
![](https://ae01.alicdn.com/kf/Hd1282a6a6be340d0b0f750e9b91fd45cL.jpg)
![](https://ae01.alicdn.com/kf/Ha1b228cb672c4fd787303b05cabc313an.jpg)
![](https://ae01.alicdn.com/kf/H4382881ec6ed47158bc800ffc3bf9765W.jpg)
![](https://ae01.alicdn.com/kf/H237c52314a144adabe1746147ca09759B.jpg)
![](https://ae01.alicdn.com/kf/H72338981eb304c4da2d01f0dc1210248x.jpg)
![](https://ae01.alicdn.com/kf/H3f62fe65ac8448b9b1bac3973f2bf2a77.jpg)
![](https://ae01.alicdn.com/kf/H79b977e297e048b1a965f5afcbe8584et.jpg)
![](https://ae01.alicdn.com/kf/H6be86c6ec6924eb0a7afad25be4e3262y.jpg)
![](https://ae01.alicdn.com/kf/Hcf55e7a857494290b83bcbdbcdf82336e.jpg)
![](https://ae01.alicdn.com/kf/H7830d12e21344c7cb0dcd8b087f72361y.jpg)
![](https://ae01.alicdn.com/kf/Hea4350f81b414917ab12ab343586aec6f.jpg)
![](https://ae01.alicdn.com/kf/H41490953e8c24c7f806b6a42fc6cdbbaQ.jpg)
![](https://ae01.alicdn.com/kf/Ha82cf806994743639934df2461295724h.jpg)
![](https://ae01.alicdn.com/kf/H04edf0c3b02642d3bb520a5770fc872dZ.jpg)
![](https://ae01.alicdn.com/kf/Hbc73329cdc82414e958a0194d440f9594.jpg)
![](https://ae01.alicdn.com/kf/H76769116c4c947a08ab32923eb65c328j.jpg)
![](https://ae01.alicdn.com/kf/Hcb5418484ca9413c81639951b90bb8deL.jpg)
![](https://ae01.alicdn.com/kf/H0b0ba326bdbe47db99b7b39717808da5P.jpg)
![](https://ae01.alicdn.com/kf/Hfcdd437e2bd84f20a6c15dae1a0fbd35M.jpg)
![](https://ae01.alicdn.com/kf/Hc9e67aa6c95d4724a0be352519d1b57ek.jpg)
![](https://ae01.alicdn.com/kf/H485560cfb06d4324a98bb56f23255c4ao.jpg)
![](https://ae01.alicdn.com/kf/Hde08fa36cff64f47a00c3ea35d8ef19bb.jpg)
![](https://ae01.alicdn.com/kf/Ha8ab84106682452e817a61ad3ff66b34q.jpg)
![](https://ae01.alicdn.com/kf/H7c266ee8d14548c7b2f7109aca717526M.jpg)
![](https://ae01.alicdn.com/kf/H019d3385d3e144f0b6d443414e14ac5al.jpg)
![](https://ae01.alicdn.com/kf/Hf033f93af54143bc968b00af0f40335cg.jpg)
![](https://ae01.alicdn.com/kf/H94b7ce8d48584f498231711af8dc41a7P.jpg)
![](https://ae01.alicdn.com/kf/Ha58e58d1212e49bbb8e93bab74e3d0050.jpg)
![](https://ae01.alicdn.com/kf/H7920b106aef64efc91c10f6a5083118ck.jpg)
![](https://ae01.alicdn.com/kf/H8f142c54cbda4740820a5dfd7ff91786c.jpg)
![](https://ae01.alicdn.com/kf/Hd58072247df8479180c8a3990ce8533b9.jpg)
¿ëÁ¢ Áöħ:
DFN º£¾î Æеå (Áß°£ Æеå) ¹× surroundingI/O ÆÐµå ±¸¸® ¸®µå ÇÁ·¹ÀÓ Ç÷§ ±âÆÇ, ÀÌ·¯ÇÑ ÆÐµå ³ëÃâ, »ç¿ë ¿ÜºÎ ±â°è ¹× Àü±â ¿¬°á, ¸ðµç ³ª¸ÓÁö´Â Æ÷ÀåµË´Ï´Ù¸âºê·¹ÀÎ ¼ºÇü ¡£ »ç¿ë, I/O ¸ðµÎ Æеå¿Í º£¾î ÆÐµå ¿ëÁ¢ toPCB »ó´Ü. »êȸ¦ ¹æÁöÇÏ°í ¿ëÁ¢À» ÃÖÀûÈÇϱâ À§ÇØ ¼¾¼ÀÇ ¹Ù´Ú¿¡ÀÖ´Â ¼Ö´õ Á¶ÀÎÆ®´Â ni/Pd/Au.üÀç PCB À§, I/O interface7 ±æÀÌ´Â beSHT21 OfI/OLarge Æ÷Àå pad0.2mm À̾î¾ß ÇÕ´Ï´Ù, ¾È ºÎ¼ÓÀº Æеå, ÇÉ Æø vsDFN Æ÷Àå Æеå Æø ºñÀ² is1ÀÇ beI/O ¸ð¾ç ÀÏÄ¡ÇØ¾ß ÇÕ´Ï´Ù: 1, º£¾î Æеå Å©±â vsDFN Æ÷Àå ºñÀ² is1:1, figure8 ÂüÁ¶.
¸Þ½¬ Ç÷¹ÀÌÆ® ¹× ¼Ö´õ ¸¶½ºÅ© ¼³°èÀÇ °æ¿ì ¼Ö´õ Æе尡 ±Ý¼Ó Æеå (NSMD) º¸´Ù Å« ¼Ö´õ ¸¶½ºÅ©ÀÇ °³¹æÀ¸·Î ±¸¸® È£ÀÏ¿¡ ÀÇÇØ Á¤ÀǵǾî¾ßÇÕ´Ï´Ù. NSMD Æе忡 °üÇÏ¿©, ¸¸¾à¿¡ ±¸¸® Æ÷ÀÏ ÆÐµå »çÀÌ °£°Ý ¼Ö´õ ¸¶½ºÅ© is60μm-75μm, ¼Ö´õ ¸¶½ºÅ©ÀÇ ¿ÀÇÁ´× Å©±â´Â Æеå size120μm-150μm º¸´Ù Ä¿¾ßÇÕ´Ï´Ù. ÆÐÅ°Áö ÆеåÀÇ ¿øÇü ºÎºÐÀº ÇØ´ç ¿øÇü ¼Ö´õ ¸¶½ºÅ© ¿ÀÇÁ´×°ú ÀÏÄ¡ÇÏ¿© ¼Ö´õ ¸¶½ºÅ© ¿µ¿ª (ƯÈ÷ ÄÚ³Ê ÁÖÀ§) ÀÌ ¼Ö´õ Á¶ÀÎÆ®¸¦ ¹æÁöÇؾßÇÕ´Ï´Ù. °¢ Æеå ÀÚü ¼Ö´õ ¸¶½ºÅ© °³¹æÀÌ ÀÖ¾î¾ßÇϸç, ¼Ö´õ ¸¶½ºÅ© ³×Æ®¿öÅ©°¡ ÀÎÁ¢ÇÑ Æеå ÁÖÀ§¿¡ Çü¼ºµË´Ï´Ù. Á¶½ÉÇϽʽÿÀ: ÆеåÀÇ I/OThe ´Ü¸éµµ ¶Ç´Â ÃøÀº Àå±â°£ µ¿¾È »êȵ˴ϴÙ, ¶«³³ Áö±¸´Â Çü¼ºÇÏÁö ¾ÊÀ»Áöµµ ¸ð¸¨´Ï´Ù, ±×·¯¹Ç·Î, ¶«³³ °íµµ¸¦ À§ÇÑ ¾Æ¹« º¸Áõµµ ¾ø½À´Ï´Ù Á¶ÀÎÆ® ¡£
Ç¥ÁØ ¸®Çà ·Î¿ì ¿Àºì ½ÖÀ» »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. Sht2x ¿ëÁ¢ ¼öÇà. °¨Áö±â´Â ¿ÏÀüÈ÷ compliantIPC/JEDEC J-STD-020D ¿ëÁ¢ ±âÁØÀÔ´Ï´Ù, highest260 ¡ÉUnder ¿Âµµ¿¡, Á¢ÃË ½Ã°£Àº than40 ÃÊ ´õ ÀûÀºÀ̾î¾ß ÇÕ´Ï´Ù; ¼öµ¿ ¿ëÁ¢À» À§ÇØ, highest350 ° c 4 Á¢ÃË ½Ã°£¿¡ 5 ÃÊ ¹Ì¸¸, figure9 ÂüÁ¶.
ÁÖÀÇ:
¸®Çà ·Î¿ì ¼Ö´õ¸µ ÈÄ ¼¾¼´Â> 75% RHAt least12hour¿¡ ¹èÄ¡ÇÏ¿© Æú¸®¸ÓÀÇ Àç¼öºÐÀ» º¸ÀåÇÕ´Ï´Ù. ±×·¸Áö ¾ÊÀ¸¸é ¼¾¼ µ¶¼´Â µå¸®ÇÁÆ®ÇÕ´Ï´Ù. ¼¾¼´Â ¶ÇÇÑ ÀÚ¿¬ ȯ°æ (>40% RH) ¿¡ ¹èÄ¡ µÉ ¼ö ÀÖ½À´Ï´Ù.
¾î´À ÂÊÀ̵ç, ¼öµ¿ ¿ëÁ¢ ¶Ç´Â ¸®Çà ·Î¿ì ³³¶« ¿©ºÎ, ¿ëÁ¢ ÈÄ È¸·Î ±âÆÇÀ» Ç÷¯½Ã ÇÒ ¼ö ¾ø½À´Ï´Ù. µû¶ó¼ °í°´ÀÌ "¹«·á ¼¼Ã´" À¯Çü ¼Ö´õ ÆäÀ̽ºÆ®¸¦ »ç¿ëÇÏ´Â °ÍÀÌ ÁÁ½À´Ï´Ù. °¨Áö±â°¡ Áý±¤ ¹°¿¡¼ »ç¿ëµÇ´Â °æ¿ì¿¡, ºÎ½ÄÀº »ý±æ °ÍÀÔ´Ï´Ù (°Í°ú °°ÀÌ: ³ôÀº ½Àµµ ȯ°æ), ÇÉ Æеå andpcb´Â ¸ðµÎ ¹ÐºÀµÉ ÇÊ¿ä°¡ ÀÖ½À´Ï´Ù (°Í°ú °°ÀÌ: conformal ÄÚÆÃÀÇ ½Åû) °¡³ÇÑ Á¢ÃË ¶Ç´Â ´Ü¶ô ȸ·Î¸¦ ÇÇÇϱâ À§ÇØ.
`