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| NS Oxide Free Solder Paste is combined to be able to
be used in every type of application, used in the following conditions with
regard to metal alloy composition (Table 1), flux (Table
2), grain dimension (Table 3), viscosity/flux content (Table
4) and powder grain type (Table 5). Moreover, we can
also supply paste that is suitable for use with BGA/CSP implementation. |
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| Labeling Method |
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|
| Table 1 Metal Alloy Composition |
|
| Metal Alloy Reference |
Composition |
Melting Point
( ) |
Applications |
| Solidus |
Liquidus |
| SN62 |
Sn/Pb/Ag |
179 |
179 |
Used with silver electrodes and silver
circuits |
| SN62V |
Heat cycle stress resistant |
| SN63 |
Sn/Pb |
183 |
183 |
Conventional use |
| SN63V |
Heat cycle stress resistant |
Bl52
Bl130
Bl165
Bl8 |
Sn/Bi/Pb
Sn/Bi/Pb
Sn/Bi/Pb
Sn/Bi/Pb |
96
99
137
135 |
96
139
165
173 |
Low-temperature solder |
SN122
SN8
SN820
SN515 |
Sn/Pb/Ag/Sb
Sn/Pb/Sb
Sn/Pb/Ag
Sn/Pb/Ag |
240
240
285
296 |
240
260
296
301 |
High-temperature solder |
|
|
Please feel free to contact us should have any inquiries regarding other metal alloys not listed here.
With regard to metal alloy impurities, the above data is concurrent with JISZ 3282 A-class standards. |
|
| Table 3 Grain Dimension |
|
| Reference |
Grain Dimension
( m) |
Application |
JIS Classification |
| UF |
25 to 10 |
CSP/Dispensers |
- |
| SF |
38 to 10 |
Fine Pitch/Dispensers |
Applies to S-5 |
| F |
45 to 20 |
0.4 Pitch/Dispensers |
Applies to S-4 |
| A |
53 to 25 |
0.5 Pitch/Dispensers |
S-3 |
| AB |
63 to 38 |
0.65 Pitch |
S-3 |
| B |
75 to 53 |
0.8 Pitch/Dispensers |
Applies to S-2 |
| AQ |
63 to 20 |
0.4 Pitch/Fine-Rough Pitch Mixture |
- |
|
|
| Table 4 * Viscosity /Flux Content |
|
| Reference |
Viscosity at 25 |
Flux Content |
| Brookfield (10,000cps) |
Malcolm (Pa/S) |
| M |
80 to 100 |
150 to 250 |
9.0 to 13% |
| D |
30 to 60 |
40 to 100 |
11.0 to 14.5% |
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| *Viscosity is measured using a system devised in-house |
|
Brookfield
Using the Brookfield RVT Type Viscosity Meter, the spindle (T-F type) is rotated
at 5rpm and these conditions are maintained as the helipath stand is lowered.
The values shown are recorded after two minutes of the horizontal bar on
the spindle first coming into contact with the paste. |
|
Malcolm
Using a Spindle Sensor Viscosity Meter manufactured by Malcolm, the spindle
is rotated at 10rpm and values are taken three to five minutes after the
commencement of spindle rotation. |
| Table 5 Grain Shape |
|
| Reference |
Shape Configuration |
Application |
| n/a |
Atomized granules |
Conventional Use |
| Q |
Spherical |
For Use with Dispensers/Fine Pitch |
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