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HOME > Products > Electronic material > Aluminum PWB material > AC-7210N

Electronic material

Aluminum base PWB material / High thermal conductive type

λ=10W/mK / Tg=300℃

 

 

AC-7210N

 

AC-7004

Composition

 

material composition

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

 

Applications

  • Power LED substrate
  • Power device substrate
  • Replacement of thermal paste       

 

Breakdown voltage

Insulation layer of 0.12mm thickness can withstand voltage of 5000V.

 

Hot breakdown voltage

AC-7210N can withstand voltage of 5000V even under hot temperature as shown the above.

 

Peel strength after long term heat treatment

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
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

▲AD-7210N

(Bonding sheet)

 

▲Composition

▼Images of our proposal

▲Image of power LED substrate made of ceramic

 

▲Image of power LED substrate made with AD-7210N