台湾产千住荔枝视频下载APP黄
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产品名称:
台湾产千住荔枝视频下载APP黄
产品型号:
M705-S101HF-S4
产品展商:
千住金属
产品文档:
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简单介绍
锡96.5、银3.0、铜0.5熔点:217-220℃190±20Pa.s230-260℃要求无卤素的复杂电子产品制造0-10℃
台湾产千住荔枝视频下载APP黄
的详细介绍
台湾产千住荔枝视频下载APP黄
台湾产千住荔枝视频下载APP黄 ECO SOLDER PASTE M705-S101HF-S4
1.Scope
This specification covers the solder paste,
ECO SOLDER PASTE M705-S101-S4, using lead-free solder alloy, used for
wiring connection and so on, of electrical and electronic parts.
2.Standard
２.1Chemical composition of solder alloy（Test method：STM-9）
Composition and impurities are prescribed as following tables
|
Composition ( mass% )
|
|
Ａｇ
|
Ｃｕ
|
Ｓｎ
|
|
3.0 ± 0.1
|
0.50 ± 0.05
|
Balance
|
2.2Performance and standard
|
Items
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Performance Standard
|
Test Method
|
|
Appearance
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It shall not have separated flux,and shall be in a smooth pastestate.
|
STM-1
|
|
Flux content (mass%)
|
11.5 ± 1.0
|
STM-5
|
|
Viscosity of solderpaste (Pa s)
|
190 ± 30
|
STM-7-8
|
|
Grain size of powder
（um）
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36 ∼25
|
STM-12-4
|
|
Copper plate corrosion test
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Shall be passed
|
STM-28-1
|
|
Insulation resistance
|
Ordinary state 1 × 10 or more After humidifying 1 × 10 or more
|
STM-30-8
|
|
Solution resistance
|
100 or more
|
STM-32
|
|
Reflow property
|
No unmelted solder nor black product shall be permissibl
|
STM-34
|
