To Download Datasheets Select Below and Click Download
-
Download TDS Datasheet
VT-4A Aluminum Base Laminate/Prepreg
UL Approval: E214381 Version: B6 03/05/2018General Information
- VT-4A1 / VT-4A1 PP: Thermal Conductivity - 1.6W/mK, MOT 90℃
- VT-4A2 / VT-4A2 PP: Thermal Conductivity - 2.2W/mK, MOT 90℃
- VT-4A2H / VT-4A2H PP: Thermal Conductivity - 2.2W/mK, MOT 105℃
- Excellent Electrical and Mechanical Characteristics
- Flammability UL94 V0
- Halogen Free
Application
- Ultra bright LED Substrate
- Power Conversion
- PDP, LED, Regulator for TV
- Monitor Drives
- Rectifier, Power Supply
Storage Condition & Shelf Life
Prepreg Laminate Storage Condition Temperature < 23℃ (73℉) < 5℃ (41℉) Room Relative Humidity < 55% / / Shelf Life 3 Months 6 Months 24 Months The RCC & RCF exceeding shelf life should be retested.
Designation of IMS Laminate
Laminate Properties
Item Test Method (IPC-TM-650) Unit VT-4A1 VT-4A2 VT-4A2H 75um 100um 125um 150um 75um 100um 125um 150um 75um 100um 125um 150um Thermal Conductivity ISO 22007-2 W/m*K 1.6 2.2 2.2 Thermal Impedance ISO 22007-2 ℃*in2/W 0.074 0.099 0.123 0.148 0.054 0.072 0.089 0.107 0.054 0.072 0.089 0.107 Tg DSC 2.4.25 ℃ 130 130 130 Td TGA ASTM D3850 ℃ 380 380 380 Thermal Stress Solder Dip @ 288℃ 2.4.13.1 Minute >=5 >=5 >=5 Hi-Pot Withstand DC 2.5.7.2 V 4500 5000 6000 8000 4500 5000 6000 8000 4500 5000 6000 8000 Breakdown Voltage AC 2.5.6.3 V 6000 7500 9000 10000 6000 7500 9000 10000 6000 7500 9000 10000 Dk @ 1MHz C-24/23/50 2.5.5.3 - 5.0 5.1 5.1 Df @ 1MHz C-24/23/50 2.5.5.3 - 0.015 0.014 0.014 Volume Resistance After Moisture 2.5.17.1 MΩ-cm 4.5E+8 5.1E+8 5.1E+8 E-24/125 2.3E+7 3.1E+7 3.1E+7 Surface Resistance After Moisture 2.5.17.1 MΩ 2.2E+7 2.3E+7 2.3E+7 E-24/125 5.1E+6 5.2E+6 5.2E+6 Peel Strength (1oz) As received 2.4.8 Lb/in 12 12 12 CTI As received ASTM D3638 V 600 600 600 Flammability As received UL94 Rating V0 V0 V0 RTI Electric UL94 ℃ 90 90 105 Mechanical UL94 ℃ 90 90 105 All test data provided are typical values but not intended to be specification values.
Availability
Laminate
Item Availability Dielectric .003" (75um), .004" (100um), .005" (125um), .006" (150um), .008" (200um) Standard Size Imperial 18.11*24.02, 20.08*24.02, 20.98*24.02, 18.11*48.03, 20.08*48.03, 20.98*48.03 Metric 460*610, 510*610, 533*610, 460*1220, 510*1220, 533*1220 Copper weight Hoz, 1oz, 2oz, 3oz, 4oz, 6oz, 10oz Aluminum thickness 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, 3.0mm Aluminum Alloy 1100, 5052, or as required Prepreg
Product Pressed Thickness (um) Glass Fabric Application VT-4A1 VT-4A2 75 106 Circuit Clearance Fill 100 106 Circuit Clearance Fill 125 106 Hole Fill VT-4A2H 125 106 Hole Fill 150 106 Hole Fill Protective Film for Aluminum Plate
Type Material Max Operation Temperature Standard PET 170℃ High Temperature Polyimide 270℃ Aluminum and Aluminum Alloy Information
Major Chemical Composition
Alloy Code Composition Alloy Code Composition 1100 Al, Si, Fe, Cu, Zn, Mn 5052 AL, Mg, Fe, Si, Cr, Cu, Zn 3003 Al, Mn, Si, Fe, Cu, Zn 6061 Al, Mg, SI, Fe, Cr, Cu, Zn, Ti, Mn Calorific & Electrical Performance
Alloy Melting Point Range (℃) CTE (ppm/℃) Cp (J/g-℃） Thermal Conductivity (W/m-K) Resisitivity (Ω-cm) 20~100℃ 20~300℃ 1100 643~657.2 23.6 25.5 0.904 220 3.00E-6 3003 643~654 23.2 25.1 0.893 163 4.16E-6 5052 607.2~649 23.8 25.7 0.880 138 4.99E-6 6061 582~651.7 23.6 25.3 0.896 167 3.99E-6 Mechanical Performance
Alloy Hardness (HB) Ultimate Tensile Strength (MPa) Tensile Yield Strength (MPa) Elongation at Break 1.6mm (%) Elastic Modulus (GPa) Poisson Ratio Fatigue Strength (MPa) Shear Modulus (GPa) Shear Strength (MPa) 1100H24 32 124 117 9 68.9 0.330 48.3 26.0 75.8 3003H24 40 152 145 8 68.9 0.330 62.1 25.0 96.5 5052H32 68 262 214 10 70.3 0.330 124 25.9 145 6061T6 95 310 276 12 68.9 0.330 96.5 26.0 207 *Number of cycles: 5.0E+8