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General Properties of Metal Base CCL |
| ITEM |
UNITS |
NRA-8 |
NRA-S |
NRA-X |
NRA-E |
| 4.2W |
6.5W |
3.0W |
6.5W |
12W |
| Thermal Resistance |
Insulation Thickness |
80μm |
℃/W |
0.32 |
0.35 |
0.14 |
0.09 |
0.19 |
0.09 |
0.05 |
| 120μm |
0.48 |
0.52 |
0.20 |
0.13 |
0.29 |
0.13 |
0.07 |
| 160μm |
0.64 |
0.70 |
0.27 |
0.18 |
0.38 |
0.18 |
0.10 |
| Thermal Conductivity |
W/m℃ |
1.80 |
1.64 |
4.30 |
6.50 |
3.00 |
6.50 |
12.00 |
| Solder Resistance (300℃) |
Sec |
120≦ |
120≦ |
120≦ |
120≦ |
120≦ |
120≦ |
120≦ |
| Breakdown Voltage |
Insulation Thickness |
60μm |
kV |
- |
- |
- |
- |
- |
- |
0.8 |
| 80μm |
6.7 |
4.5 |
- |
- |
6.0 |
4.3 |
2.0 |
| 120μm |
7.5 |
9.0 |
5.2 |
5.0 |
6.5 |
5.7 |
5.0 |
| 160μm |
9.2 |
11.0 |
7.5 |
7.0 |
7.2 |
6.5 |
- |
| Dielectoric Constant |
1kHz |
A |
－ |
7.3 |
4.5 |
7.2 |
7.6 |
7.5 |
7.9 |
8.2 |
| D23/24 |
7.3 |
－ |
－ |
－ |
－ |
－ |
－ |
| 1MHz |
A |
7.1 |
4.4 |
7.1 |
7.5 |
7.3 |
7.7 |
8.0 |
| D23/24 |
7.0 |
－ |
－ |
－ |
－ |
－ |
－ |
| Dispation Factor |
1kHz |
A |
－ |
0.0076 |
0.0048 |
0.0011 |
0.0009 |
0.0055 |
0.0031 |
0.0030 |
| D23/24 |
0.0077 |
－ |
－ |
－ |
－ |
－ |
－ |
| 1MHz |
A |
0.0180 |
0.0082 |
0.0033 |
0.0034 |
0.0184 |
0.0112 |
0.0095 |
| D23/24 |
0.0200 |
－ |
－ |
－ |
－ |
－ |
－ |
| Volume Resistivity |
A |
Ωcm |
2.5×1015 |
7.0×1015 |
1.4×1014 |
1.4×1014 |
1.5×1015 |
2.3×10145 |
1.5×1016 |
| C-96/40/90 |
8.5×1014 |
2.8×1015 |
－ |
－ |
－ |
－ |
－ |
| Surface Resistivity |
A |
Ωcm |
3.5×1014 |
4.0×1014 |
1.0×1013 |
1.0×1013 |
4.5×1012 |
4.5×1012 |
9.0×1012 |
| C-96/40/90 |
1.0×1014 |
1.8×1014 |
－ |
－ |
－ |
－ |
－ |
| Capacitance (1kHz,Insulation:120μｍ) |
pF/c㎡ |
47 |
29 |
46 |
49 |
48 |
51 |
52 |
| Tg (TMA Method) |
℃ |
130 |
180 |
180 |
180 |
100 |
100 |
100 |
| Flame Ability |
－ |
94V0 |
94V0 |
94V0 |
94V0 |
94V0 |
94V0 |
94V0 |
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NRK LINE UP & Other Company |
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Thermal Conductivity |
b) Pb Free aterial |
a) + b) |
| 4.0W/mK ＞ |
a) 4.0W/mK ＜ |
| NRK Materials (Heat sink) |
○ |
○
(6.5W/mK,12W/mK)* |
○ |
○ |
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| * NRA-X: 4.2W/mK,6.5W/mK NRA-E : 6.5W/mK,12.0W/mK |
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Measurement Method of Thermal Resistance |
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Thermal Conductivity & Thermal Resistance |
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UNITS |
FR-4 |
Metal Base |
AlN |
| NRA-8 |
NRA-E 3W/mK |
NRA-E 6.5W/mK |
NRA-E 12W/mK |
| ΔT |
(℃) |
25.40 |
2.29 |
1.52 |
0.70 |
0.29 |
0.27 |
| Insulation Thickness |
(μm) |
160 |
80 |
80 |
80 |
60 |
800 |
| Thermal Resistance |
(℃/W) |
3.17 |
0.29 |
0.19 |
0.088 |
0.036 |
0.034 |
| Thermal Conductivity |
(W/m･K) |
0.36 |
2.0 |
3.0 |
6.5 |
12 |
170 |
| Area of Specimen |
(m㎡) |
140 |
140 |
140 |
140 |
140 |
140 |
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| ＊R＝h/A λ |
R：Thermal Resistance |
h：Insulation Thickness |
A：Area of Specimen |
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(A=1.4x10-6m㎡) |
λ：Themal Conductivity |
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Lead Free Reliability |
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| 〓 Returns to the product catalog 〓 |
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