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Types and codes

Self bonding wire is designed by insulation material and bonding material.
Listed type of bonding wire and codes which we are currently producing.

  Insulation Film
  Classi-
fication
Material Process Limit temp. of the bonding Low temp. solderable Polyurethane Polyurethane Modified polyurethane
Coiling Coil baking
Hot air Alcohl   Symbol
*1
L U F
Bonding Film Thermo
plastic
Poly vinyl butyral - 100℃ P - DS-UP -
Polyamide - - 150℃ Y DS-LY - DS-FY
- - 120℃ H DS-LH - DS-FH
- - 150℃ H⑤ DS-LH⑤ - DS-FH⑤
Thermo setting Polyamide - - 180℃ H7 - - DS-FH7
- 180℃ Y② - - DS-FY②
Twemperature index of insulation *3 120℃ 130℃ 180℃
Resistance to softening(Cut through) around 190℃ around 230℃ around 260℃
Soldering temperature(Class2 0.050mm) 320~330℃ 370~380℃ 410~420℃

*1 Symbols mentioned in table are identification of DAIKOKU original.
*2 The limit temperature of the bonding about the bonding film type of "Y②" is performance after the baking.
*3 Temperature Index is defined by thermal endurance test based on JIS C 3216-6 JA-5, it shows guarantee temperature 20,000 hours.

fig.1 Cross section of self-bonding wire

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