Solder Pastes

Solder paste is a type of solder used when manufacturing PCBs to connect surface mount components to pads on the board. The paste is a mixture of small solder spheres with flux. The paste initially adheres components in place because of its stickiness. You then use heat to melt the paste to form a mechanical bond and an electrical connection. Solder paste is applied to the board by stencil printing and the components are put in place by a pick and place machine or by hand. Defects in the circuit-board assembly are caused due to issues in the solder-paste printing process or due to defects in the solder paste. This can give short circuits, incomplete circuits, and head on pillow defects.


How to use Solder paste?


Remove oil, grease, polishing compound and any excessive oxides from the joint. Make sure that the joint is smooth, flat and free from any burs. Apply the solder paste to the top joint. The paste will not fill large gaps so make sure that the pieces to be soldered actually touch. Apply heat to the piece away from the joint, keep the heat source moving to prevent overheating the paste. Once the paste flows to remove the heat source.


Typical Applications for Solder Paste


Solder pastes are used in mass production of PCBs and prototype PCB assembly.


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RS庫存編號 835-2699
製造零件編號SKU-0018
HK$62.35
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- Electric Paint Pen 10ml
RS庫存編號 184-9985
製造零件編號291264
BrandMulticore
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RS庫存編號 551-693
製造零件編號291337
BrandMulticore
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RS庫存編號 555-232
製造零件編號GEL FLUX MOB 39 - SERINGUE DE 10CC
BrandMBO
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RS庫存編號 832-9775
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BrandHenkel
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Yes Loctite HF212 SAC0307 AGS Jar 500g
RS庫存編號 910-6790
製造零件編號2002845
BrandHenkel
HK$1,208.06
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Yes - Jar 500g
RS庫存編號 832-9766
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BrandHenkel
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RS庫存編號 146-6194
製造零件編號SMD291SNL10T5
BrandCHIPQUIK
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Yes - Syringe 35g
RS庫存編號 146-6195
製造零件編號SMD291SNL250T3
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Yes - Jar 250g
RS庫存編號 146-6196
製造零件編號SMD291SNL50T3
BrandCHIPQUIK
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Yes - Jar 50g
RS庫存編號 146-6189
製造零件編號SMD291AX10T5
BrandCHIPQUIK
HK$287.24
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- - Syringe 35g
RS庫存編號 146-6199
製造零件編號SMDLTLFP
BrandCHIPQUIK
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製造零件編號SMD4300AX10
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- - Syringe 35g
RS庫存編號 146-2877
製造零件編號4902P-25G
HK$274.02
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Yes - Syringe 25g
RS庫存編號 146-6190
製造零件編號SMD291AX250T3
BrandCHIPQUIK
HK$389.89
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- - Jar 250g
RS庫存編號 146-6200
製造零件編號SMDLTLFP10T5
BrandCHIPQUIK
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Yes - Syringe 35g
RS庫存編號 146-6193
製造零件編號SMD291SNL10
BrandCHIPQUIK
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Yes - Syringe 35g