成av人片一区二区三区久久,伊人久久大香线蕉av一区二区,韩国无码色视频在线观看,精品h动漫无遮挡在线看中文

Solder Preforms
SOLDER PREFORMS
Tin-lead Solder Preforms

With the increasing awareness of environmental protection, lead-free solders are replacing tin-lead solders gradually. However, due to their good performance on wettability, reliability etc., tin-lead solders are still in wide use.

PRODUCT SELECTION
DETAILED INTRODUCTION
PRODUCT LIST

Features & Benefits

·? Good Mechanical Properties

·? Favorable thermal fatigue property

·? Excellent wetting properties

·? High reliability

·? Long-range reliability data support


Typical Products

Pb92.5Sn5Ag2.5 Preforms

Pb92.5Sn5Ag2.5 is a kind of high temperature soft solder, because of its unique features and benefits as below, it is irreplaceable until now.?

?

Adding appropriate amount of silver can make the bonds withstand higher temperature, then to match the requirements of high reliability in high power components packaging.

PRODUCT LIST
Solid Line
°C
Liquidus
Eutectic Alloy
Density
g/cm3
Resistivity
μΩ.m
Thermal Conductivity
W/m.K
Thermal Expansion Coefficient
10-6/℃
Tensile Strength
Mpa
/ 179 / 8.42 0.145 42 27 44
/ 183 / 8.4 0.146 51 25 52
183 268 / 9.96 0.194 / / 23.62
275 302 / 10.74 / / / /
287 296 / 11.02 0.2 26 24 29.03
300 310 / 11.02 0.313 25 25 31.44
240 260 / 9.97 0.375 18 26 37.58
返回頂部
国产日韩精品视频无码| 国产精品色内内在线播放| 精品熟女碰碰人人a久久| 天天综合天天爱天天做| 日本真人做爰免费视频120秒 | 亚洲色大成网站www永久一区| 精品无码久久久久久国产 | 18禁黄网站禁片免费观看国产| 国产精品内射视频免费| 国产剧情麻豆女教师在线观看| 日韩视频中文字幕精品偷拍| 国产亚洲精品久久久久动漫| 亚洲国产欧美日本视频 | 久久亚洲sm情趣捆绑调教| 青青青国产精品一区二区| 又爽又黄又无遮挡的激情视频| 国产精品美女久久久免费| 亚洲熟妇av日韩熟妇在线| 欧美老熟妇乱子| 男女18禁啪啪无遮挡| 欧美老熟妇欲乱高清视频 | 午夜亚洲影院在线观看| 无码国内精品久久人妻| 国产精品欧美在线视频| 2020无码天天喷水天天爽| 一本色道久久东京热| 丰满五十路熟女正在播放| 国产目拍亚洲精品二区 | 性一交一乱一伦在线播放| 国产一区二区三区四区精华 | 国产中年熟女高潮大集合| 亚洲精品无码久久| 中文字幕日韩精品一区二区三区| 少妇高潮喷潮久久久影院| 丰满人妻一区二区三区视频53| 久久久精品国产免大香伊| 日韩一区二区三区无码影院| 把插八插露脸对白内射| 亚洲伊人成无码综合网| 亚洲成av人片在线观看| 野花社区视频www官网|