Injection molded Nylon 6/6 with the addition of 30%-35% glass fibers. The addition of glass fibers allows a higher heat deflection temperature and it brings the material to a class HB UL temperature classification..
These bobbins are design for use with an E-I core material.
Transformer bobbins without terminals require soldering of lead wires directly to the magnet wire using a secondary means of strain relief..
Transformer with these types of bobbins may require mounting hardware, such as channel/frame, brackets, or end cover.
||Glass filled nylon 6/6
||EI-75, EI-3/4 (0.75 in.)|
|Core stack height||3/4 in.|
|Compliance||RoHS & REACH|
|Physical||ASTM Test Method||Nylon 6/6 (30% Glass Filled)|
|Water absorption, %, 24 hrs.||D-570||0.7|
|Water saturation, %||D-570||5.4|
|Tensile strength, psi x 103||D-638||27/18|
|Tensile modulus, psi x 105||D-638||14|
|Flexural Strength, psi x 103||D-790||38|
|Flexural Modulus, psi x 105||D-790||12|
|Compressive strength, psi x 103||D-638||42|
|*Notched izod impact, ft-lbs/in.||D-256||2.2/2.5|
|Thermal expansion, in/in/°C x 10-5||D-696||2.3|
|Heat distortion, ºF, 264 psi||D-696||480|
|Heat distortion, ºF, 66 psi||D-696||500|
|Melting Point, °F||D-3418||491|
|Continuous operating temp, °F||-||230|
|Hot wire ignition, seconds||UL-746||9|
|Dielectric strength, v/mil. 0.125 in. thick||D-149||530|
|Volume resistivity, ohm-cm||D-257||1015/109|
|Dielectric constant, 100 Hz||D-150||4.5/25|
|Arc resistance, seconds||D-2873||24|
NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers' complete material property datasheets. All values are dry as molded / 50% relative humidity and 73°F (23°C) unless otherwise noted.
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