HOME > Products > Electronic material > Aluminum PWB material > AC-7210N
Aluminum base PWB material / High thermal conductive type
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λ=10W/mK / Tg=300℃
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AC-7210N
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Composition
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Standard specification
Items |
Specifications |
Tickness of insulation layer
(μm) |
120 |
Thickness of Cu foil
(μm) |
35 / 70 / 105 |
Thickness of Aluminum plate
(mm) |
1.0 / 1.5 / 2.0 |
Shipping size
(mm) |
510mm × 510mm
340mm × 510mm
and so on |
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Applications
- Power LED substrate
- Power device substrate
- Replacement of thermal paste
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Breakdown voltage |
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Insulation layer of 0.12mm thickness can withstand voltage of 5000V. |
Hot breakdown voltage |
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AC-7210N can withstand voltage of 5000V even under hot temperature as shown the above. |
Peel strength after long term heat treatment |
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Peel strength hardly decreased even after 3000-hour of heat treatment at 175℃ or 200℃ |
General properties |
Test items |
Unit |
Treatment |
AC-7210N |
Remarks |
Thermal conductivity |
Laser flash method |
W/m・K |
A |
10 |
Insulation layer |
Glass transition temperature |
DMA |
℃ |
A |
300< |
Coefficient of thermal expansion
(Z-direction) |
α1 |
ppm/℃ |
A |
10~30 |
α2 |
40~80 |
UL flammability |
- |
UL94 |
V-0
equiv. |
Thermal conductivity |
TIM tester method |
W/m・K |
A |
8 |
Aluminum base
PWB material |
Breakdown voltage |
120μm
(insulation layer) |
kV |
A |
5 |
Solder limit |
280℃
Float |
sec |
A |
300< |
Peel strength |
35μm |
kN/m |
A |
1.2 |
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The above figures are not guaranteed value but one of the test results at our laboratories. |
RISHO's proposal |
We propose that substrate for mounting power LEDs could be made with AD-7210N (bonding sheet) without using ceramic substrate. |
▲AD-7210N
(Bonding sheet) |
▲Composition |
▼Images of our proposal |
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▲Image of power LED substrate made of ceramic
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▲Image of power LED substrate made with AD-7210N |