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English
Application
The products can be used for soldering various components such as BGA, CSP, QFN packages in scenarios like energy storage, automotive electronics, and communication base stations, as well as in other high-reliability and high-quality electronic appliances.
Key Features
LF4000A-HR
Excellent continuous printability
Excellent solderability, low voiding rate, and with good compatibility
Halogen free, little residue, and high surface insulation resistance
LF9600-HR
Superior continuous printing and welding reliability
High mechanical reliability in temperature cycling, thermal shock and drop tests
Halogen free, little residue, and high surface insulation resistance
WTO-LF1001F
Excellent thermal collapse resistance and outstanding performance of surface-mounted solder balls
Stable performance, excellent anti-interference performance and wide process window
High activity and excellent wettability of the substrate with different surface treatment processes
Specifications
ITEM | WTO-LF4000A-HR | WTO-LF9600-HR | WTO-LF1001F | TEST STANDARDS |
Alloy component | Sn96.5Ag3Cu0.5 | SnAg3.4Cu0.7S | Sn96.5Ag3.0Cu0.5 | / |
Powder particle size | Type 4 20-38um | Type4 20-38um | Type 3 25-45um | / |
Type5 15-25um | Type5 15-25um | Type 4 20-38um | / | |
Viscosity (Pa.s)@25+0.2℃ | 170+30(10rpm/min) | 170±30 (10rpm/min) | 170+30(10rpm/min) | Malcom PCU 205 |
Metal content (%) | 88.5±1.0 | 88.50±1.00 | 88.80±0.50 | IPC-TM-650 2.2.20 |
Flux content (%) | 11.5±1.0 | 11.50±1.00 | 11.20±0.50 | IPC-TM-650 2.2.20 |
Solder ball test | Qualified | Qualified | Qualified | IPC-TM-650 2.4.43 |
Wetting test | Qualified | Qualified | Qualified | IPC-TM-650 2.4.45 |
Collapse test | Qualified | Qualified | Qualified | IPC-TM-650 2.4.35 |
Flux type | ROL0 | ROL0 | ROL1 | IPC-J-STD-004B |
Copper plate corrosion test | Non corrosion | Non corrosion | Non corrosion | IPC-TM-650 2.3.32 |
Copper mirror corrosion test | Grade L | Grade L | Grade L | IPC-TM-650 2.3.32 |
Electromigration | Qualified | Qualified | Qualified | IPC-TM-650 2.6.14.1 |
Surface insulation resistance (Ω) | ≥1x108 | ≥1x108 | ≥1x108 | IPC-TM-650 2.6.3.3 |
RoHS | Qualified | Qualified | Qualified | RoHS Directives |
