台湾产千住榴莲视频污污污污
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产品名称:
台湾产千住榴莲视频污污污污
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℃
台湾产千住榴莲视频污污污污
的详细介绍
台湾产千住榴莲视频污污污污
台湾产千住榴莲视频污污污污 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
|
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3.0 ± 0.1
|
0.50 ± 0.05
|
Balance
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2.2Performance and standard
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Items
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Performance Standard
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Test Method
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Appearance
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It shall not have separated flux,and shall be in a smooth pastestate.
|
STM-1
|
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Flux content (mass%)
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11.5 ± 1.0
|
STM-5
|
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Viscosity of solderpaste (Pa s)
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190 ± 30
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STM-7-8
|
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Grain size of powder
（um）
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36 ∼25
|
STM-12-4
|
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Copper plate corrosion test
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Shall be passed
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STM-28-1
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Insulation resistance
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Ordinary state 1 × 10 or more After humidifying 1 × 10 or more
|
STM-30-8
|
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Solution resistance
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100 or more
|
STM-32
|
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Reflow property
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No unmelted solder nor black product shall be permissibl
|
STM-34
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