Ikegami DTA-55, Operation Manual, Page: 6 / 72

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Work with care about followings for maintenance of products conforming to RoHS directive.
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- For products conforming to RoHS directive, the letter “E” is appended at the end of the serial number on the label. For
models that the letter cannot be appended to the serial number, the “E” will be described in distinguishable position on
the label. A description example on a main label is shown below.
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- Print-circuit board of the products conforming to RoHS directive is manufactured by following methods.
[1] Blue resist ink is used for the print-circuit board. (The colour of conventional print-circuit board is green.)
[2] Either one of the following marks is indicated by a serigraph or label.
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Since the melting point of lead-free solder used for the products conforming to RoHS directive is 20 to 45 degrees
Celsius higher than that of conventional solder with lead (Sn-Pb eutectic solder), a high temperature needs to be set to a
soldering iron. Taking allowable temperature limit of the parts and stable work into consideration, use a soldering iron
with excellent thermal recovery characteristics.
- Recommended solder composition is “Sn/3.0Ag/0.5Cu” or equivalent.
- Separate the soldering iron exclusively for RoHS products and the soldering iron for conventional use.
- Set the temperature of the soldering bit to 350 to 370 degrees Celsius.
The temperature may need to be adjusted according to the size of the copper foil land on the print-circuit board and the
tip width of the soldering bit.
- Finish by a lead-free solder looks dull or whitish compared to conventional solder with bit.
- If the customer mixed the lead-solder with the main body wiring or the circuit board, it becomes guarantee off the
subject. Ikegami doesn’t guarantee to do the repair work. Because the solder polluted with lead cannot be removed.
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Be sure to use conforming to RoHS directive.
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