Solder Bar Electroloy LF-315

Lead-Free Solder Bar LF-315 were developed to offer an alternative to SAC305 and yet maintain good reliability. It is also a more economical option than other lead-free alloys

PRODUCT INFORMATION SOLDER BAR LF-315

Electroloy Product number LF-315/ LF-315HD. This is a RoHS compliance solder bar which is able to meet and fulfill International & Environmental requirements.

Characteristics of LF-315/ LF-315HD:

o Good Wetting

o Good through hole fill

o Minimal hot tear

o Comparable reliability to SAC

o Low Cost

o Lower copper dissolution rate compared to SAC 

CHEMICAL COMPOSITION OF ALLOY

The composition of Electroloy’s LF-315, / LF-315HD & LF-315E lead free bar is strictly controlled to the 

following specification: –

COMPARISON BETWEEN LF- 315/ LF-315HD and Sn63/Pb37

Comparison of LF-315/ LF-315HD with Sn63/Pb37 on mechanical characteristics

Characteristics of SAC –LF-315/ LF-315HD 

Good Wetting

Test Temperature : 260ºC Immersion Depth : 5 mm

Test Time : 5 sec. Immersion Speed : 20mm/s

Good Through Hole Fill 

It is noted that the solder penetrated completely, though the pin was inserted in a slanting manner, showing good hole penetration. 

PRODUCT APPLICATION SOLDER BAR LF-315

LF-315 lead-free solder has proven to perform well in automated wave soldering, selective soldering, and static solder pots. 

In the LF-315 solder bath, copper tends to dissolve into the solder from the boards and component leads. If the copper content of the solder bath exceeds 0.85%, it is likely to cause an increase in the incidence of bridges, icicles, and other defects. 

In order to maintain the copper level within the permissible limit in the solder bath, Electroloy recommends the LF-315BE top-up alloy. The LF-315BE has a lower copper content than the LF-315 to ensure that the copper content in the solder pot stays below the critical level of 0.85%. 

Verification of copper content is easy with the free Solder Pot Analysis offered by Electroloy. The statistical analysis of your LF-315 solder pot will help you monitor the copper level over time & make critical decisions to achieve good production yield with our LF-315 bars.

*Wave soldering: Recommended Process Parameter Setting

PACKAGING

The LF-315/ LF-315HD lead-free bars are packed into “Green” carton boxes of 20kg each. Each box contains

the following traceable information: 

1. The Supplier 
2. Grade
3. Product Code / Type
4. Lot Number 
5. Weight per Box 

For the 4 kg bar type, the packing can be in palletized form

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