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HOME > Products > Electronic material > Aluminum PWB material > Resin insulation type

Electronic material

Aluminum base PWB material / High thermal conductive type

2.5W/mK

 

AC-7004C

AC-7004

5.0W/mK

 

AC-7200TY

AC-7200TY

 

Material composition

material composition

 

Standard specification

Product code Dimension (mm)

AC-7004C

 

AC-7004TC

 

AC-7200TY

510mm × 510mm

 

340mm × 510mm

Product of customized dimension is also negotiable

 

Thickness

Product code

Nominal thiclness

of Insulation layer

(μm)

Copper foil

(μm)

Aluminum plate

(mm)

Thickness and Tolerance of

Insulation layer

(μm)

AC-7004C

AC-7004TC

80 / 120 35 / (70) / (105) 1.0 / 1.5 / 2.0 80±15 / 120±20
AC-7200TY 120 35 / 70 1.0 / 1.5 / 2.0 120±20

Product of special thickness is also negotiable

 

General properties

Test item Unit Treatment AC-7004 AC-7200TY Remark

Thermal conductivity

(Laser flash method)

W/mK A 3 5 Insulation layer
Thickness of insulation layer μm 80/120 120
Halogen free compliance - Yes Yes
Glass transition temperature A

182

(TMA)

200

(DMA)

Coefficient of thermal expansion ppm/℃ α1 27 6
α2 48 36
Storage elastic modulus -40℃ GPa A 16
25℃ 15
125℃ 9.5
Handleability Good Excellent

Thermal conductivity

(TIM tester method)

W/mK A 3 6 Aluminum base PWB material
Breakdown voltage kV

Vertical to layer

in oil

4 (0.08mm)

7 (0.12mm)

5
Solder limit sec

Float

300<

(260℃)

300<

(300℃)

Peel strength kN/m 35μm 1.5 1.1
75μm 1.1
105μm 1.1
Volume resistivity MΩm C-96/20/65 5.0×106 6.1×106
Surface resistance MΩ C-96/20/65 1.0×109 2.0×108

The various above-mentioned data is measured value , and is not guaranteed performance.

 

AC-7004 UL recognized specification (Excerpt)

Minimum

thickness
(mm)

UL94
flame

class

R.T.I.
(℃)

HWI

HAI

HVTR

CTI

Direct

support

Electrical

Mechanical

0.995

94V-0

90

90

0

0

-

0

YES

 

Breakdown voltage

breakdown voltage

Insulation layer =120μm thick

 

Test method:JIS C 2110

 Step up voltage at a rate of 500V a second up to breakdown.

Test piece size (Thickness)

 Aluminum plate=1.5mm,  Insulation layer=60/80/120μm,  Cu foil=35μm

Test condition

 Positive electrode=Alumimun plate  Negative electrode=Cu foil(25mmφ)

 Impressed current =AC  Leakage current=10mA

 

 

 

Long-term thermal resistance

long-term thermal resistance