Solder Paste & Flux

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Product Number

Grain Size

(melting point)

Application

Pdf

S3X48-M420

Sn96.5/Ag3/Cu0.5

(217-218°C)

General purposes

Super low void

Robust performance & stability

of properties over days of continual use

(637KB)

S3X48-M406-5

General purposes

Anti-pillow defect

Excellent printability

(824KB )

S3X48-M650-3

Halogen free

ICT testable

For high speed print

(513KB )

S3X48-M410A

Halogen free

Good wetting

Outstanding printing

(625KB )

S3X70-M407-4

For Super fine pitch (0402 Chip)

Grain size: 10~25um

(1.151KB )

SB6N58-A730-3

Sn90/Ag3.5/Bi0.5/In6

(202-211°C)

Medium melting point

Anti-crack alloy (High durability)

(1,467KB )

TB48-M741

Sn42/Bi58

(138°C)

Low melting point

Anti-Global Warming

(Reduce the emissions of CO2)

(546KB )

■ Lead free - No-clean solder pastes

Koki offers range of high performance lead-free solder pastes with high purity non-oxidized
solder powders. Specially developed high temperature resistant no-clean flux systems ensure
as high soldering quality as conventional lead containing solder pastes realizing excellent fine
pitch and micro components printability, and powerful solderability even in air reflow.

■ Lead free process use - No-clean wave soldering fluxes

Koki has developed a series of wave soldering fluxes for lead free soldering with a soldering
performance equivalent to that of conventional soldering systems using lead. Specially selected
activator systems ensure excellent soldering quality even in air, ensuring good wetting and
through-hole filling in combination with SnAgCu, SnAgBiCu and SnCu based solders.

Product	Non-volatile content (%)	Application	Pdf
JS-EU-01	4.0	All round liquid flux Excellent total balance	(137KB)
JS-EU-02	2.8	Excellent thru-hole fill Low flux residue Applicable for a short soldering machine	(137KB)
JS-EN-02	7.1	Applicable for selective soldering Few solder balls	(137KB)
JS-E-11Ni	8.0	Powerful solderability Excellent thru-hole fill Few solder balls	(137KB)
JS-3000V-3 series	5.0	VOC free product Extremely low flux residue	(200KB)
JS-3000V-4	4.5	VOC free product Extremely low flux residue Improved solderability	(coming soon)
JS-EU-31	2.7	Halogen free product Extremely low residue	(coming soon)
JS-E-11	14.6	Ensures excellent solderability No bridging, no skips and complete through hole fill	(coming soon)

■ Lead Containing - No-clean Solder Pastes

Koki has developed a series of high performance no-clean solder pastes, which have been
proven to ensure excellent soldering quality. A wide variety of products offer the use for
general purposes and also specific solutions.

Product	Alloy composition	Application	Pdf
SE48-M956-2	Sn37Pb Or - Optional alloy - Sn36PbAg2 Sn36.8Pb0.4Ag0.2Sb (Anti-tomb stoning alloy)	General purposes	(989KB)
SE48-M955LV		General purposes Low voiding	(640KB)
SE58-M405L-2		High speed print Low voiding	(805KB)
SE48-M1000-3		Powerful wetting	(447KB)
SE48-M600-3C		ICT testable	coming soon

■ Leaded process - No-clean wave soldering fluxes

A range of super low residue No-clean wave soldering fluxes with effective interaction of
special resins and activators, offer excellent solderability, negligible flux residue and solder balls,
and ensure extremely high reliability.

Product	Solids content (%)	Application	Pdf
JS-3101F	3.1	General purposes Low residue	(2,062KB)
JS-3300F	2.8	General purposes Rosin base	(2,062KB)
JS-3000-V-II	2.8	Selective soldering VOC free (water base)	(102KB)
JS-75	7.2	General purposes Rosin base	(676KB)
JS-64MSS	14.8	General purposes Rosin base	(676KB)

Other Koki Products