Technical Data Sheet
C400
April-2011
PRODUCT DESCRIPTION
C400 provides the following product characteristics:
Technology
Product Benefits
Cored solder wire
• Halide free
• No clean
• Clear residue
• Good wetting
• Fast soldering
• Heat stable
• Mild odor
• Pb-free and SnPb alloys available
ROL0
Soldering - Cored wire
Copper, Brass and Nickel
IPC/J-STD-004
Classification
Application
Surface Finishes
Soldering Iron:
● Good results can be obtained using a range of tip
temperatures. However, the optimum tip temperature and
heat capacity required for a hand-soldering process is a
function of both soldering iron design and the nature of
the task.
● Care should be exercised to avoid unnecessarily high tip
temperatures for extensive periods of time.
● A high tip temperature may increase any tendency to flux
spitting and it may produce some residue darkening.
● The tip of the soldering iron should be properly tinned.
Severely contaminated soldering iron tips should be
cleaned with Multicore® Tip Tinner/Cleaner.
● Wipe the tip on a clean, damp sponge before re-tinning
with C400 wire.
Soldering Process:
1. Apply the soldering iron tip to the work surface. The iron
tip should contact both the base material and the lead at
the same time to heat both surfaces properly. It should
take no more than a fraction of a second to heat both
surfaces adequately.
2. Apply C400 flux cored wire to a part of the joint surface
away from the soldering iron and allow to form a joint
fillet. This will be virtually instantaneous. Do not apply
excessive solder to the joint as this will not improve joint
integrity and it will leave excess flux residues on the
surface.
3. Remove solder from the work piece and then remove the
iron tip.
4. The total process will be very rapid, depending upon
thermal mass, tip temperature, tip configuration and the
solderability of the surfaces to be joined.
5. The resin and flux systems are designed to leave
relatively low residues and to minimize residual activity.
This is achieved by ensuring some decomposition and
volatilization takes place during the soldering process
Cleaning:
C400 flux cored solder wire has been formulated to leave
amber flux residues and resist spitting and fuming. In most
industrial and consumer electronics applications, cleaning will
not be required. The product may, therefore, be used to
complement a no-clean wave soldering or reflow process or to
allow repairs to cleaned boards without the need for a second
cleaning process. In high-reliability applications, the residues
should be removed.
Should cleaning be required, this is best achieved using
SC-01™ cleaner.
C400 cored solder wire has been specially formulated to
complement no clean wave and reflow soldering processes.
C400 wires provide fast soldering on copper, brass, and solder
coated materials.
TYPICAL PROPERTIES
Solder Cored Wire
Alloys - Tin/lead
• SN63
• SN60
• SN62
• 97SC (SAC305)
• 96SC (SAC387)
• 99C (SnCu)
• 95A (SnSb)
• 96S (SnAg)
205 to 220 mg KOH/g
Zero
2.2
Alloys - Lead Free
Acid Value
Halide content
Flux Content (%)
ALLOYS:
The alloys used in C400 cored solder wires conform to the
purity requirements of the common national and international
standards.
FLUX:
C400 solid flux is based on modified rosin and carefully
selected activators. In practice they exhibit a mild rosin odor
and leave a small quantity of clear residue.
DIRECTIONS FOR USE
Soldering with C400 does not require any special methods or
deviation from standard hand soldering practices.
TDS C400, April-2011
RELIABILITY PROPERTIES
Solder spread mm²
Corrosion Test
SIR (without cleaning)
IPC-SF-818 Class 3
Bellcore
TR-NWT-000078
Electromigration (without cleaning) Bellcore
TR-NWT-000078
Classification
EN29454-1
IPC-SF-818
J-STD-004
210
Pass
Pass
Pass
Pass
1.1.3
LR3CN
PACKAGING
C400 is available in various diameters, flux percentages, and
reel sizes.
DATA RANGES
The data contained herein may be reported as a typical value
and/or a range. Values are based on actual test data and are
verified on a periodic basis.
GENERAL INFORMATION
For safe handling information on this product, consult the
Material Safety Data Sheet (MSDS).
Note
The data contained herein are furnished for information only
and are believed to be reliable. We cannot assume
responsibility for the results obtained by others over whose
methods we have no control. It is the user's responsibility to
determine suitability for the user's purpose of any production
methods mentioned herein and to adopt such precautions as
may be advisable for the protection of property and of persons
against any hazards that may be involved in the handling and
use thereof. In light of the foregoing,
Henkel Corporation and
its affiliates (“Henkel”) specifically disclaims all warranties
expressed
or
implied,
including
warranties
of
merchantability or fitness for a particular purpose, arising
from sale or use of Henkel products. Henkel specifically
disclaims any liability for consequential or incidental
damages of any kind, including lost profits.
The discussion
herein of various processes or compositions is not to be
interpreted as representation that they are free from
domination of patents owned by others or as a license under
any Henkel patents that may cover such processes or
compositions. We recommend that each prospective user test
his proposed application before repetitive use, using this data
as a guide. This product may be covered by one or more
United States or foreign patents or patent applications.
Trademark usage
All trademarks in this document are trademarks and/or
registered trademarks of Henkel in the US and elsewhere.
Not for Product Specifications
The technical information contained herein is intended for
reference only. Please contact Henkel Corporation Technical
Service for assistance and recommendations on specifications
for this product.
Conversions
(°C x 1.8) + 32 = °F
kV/mm x 25.4 = V/mil
mm / 25.4 = inches
µm / 25.4 = mil
N x 0.225 = lb
N/mm x 5.71 = lb/in
N/mm² x 145 = psi
MPa x 145 = psi
N·m x 8.851 = lb·in
N·m x 0.738 = lb·ft
N·mm x 0.142 = oz·in
mPa·s = cP
Reference 0.1
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Henkel Europe
Henkel Asia
+1 888 943 6535
+44.1442.278.000
+86.21.3898.4800
For the most direct access to local sales and technical support visit:
www.henkel.com/electronics
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