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RoHS Compliant Copper Clad Boards
500 Series
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Plain Copper Clad Boards We offer 1/16", 1/32" and 1/64" FR4 laminate with 1 ounce copper per square foot. This flame retardant laminate is translucent in color and made of continuous woven glass cloth impregnated with epoxy resin. The copper on 1 ounce boards is 1.34 mil thick (0.0341 mm, 34.1 microns). The boards are made of FR4 which is a flame retardant version of G-10 material.

Developed specifically for the circuit processing industries' requirements. Complies with UL #E214381 (select boards comply to UL #E213990).

Our presensitized boards provide high resolution and excellent fine line control. They are ideal for prototypes, small production runs, and student training.

Easy Cutting!! We also offer a large thin (12" x 18" x 1/32 inch) cat#675 paper phenolic presensitized board, perfect for cutting into smaller boards with no special equipment - perfect for the classroom.

Specifications

Property Treatment Condition Unit FR-4 Index
Peel Strength
(As received)
A Ib/in >= 8.0
(After thermal stress) A Ib/in >= 8.0
Surface Resistivity at elevated temperature E-24/125 M Ohm >= 103
Volume Resistivity E-24/125 M Ohm · cm >= 103

Water Absorption
(0.1-0.77MM)

E-1/105+des+D-24/23 % <=0.8
(0.78-3.20MM) E-1/105+des+D-24/23 % <=0.35
Flexural Strength (Lengthwise) A Mpa >=410
(Crosswise) A Mpa <=340
Dielectric Breakdown Parallel to laminate D-48/50+D-0.5/23 KV >=40
Dielectric Constant Permittivity at 1MHZ
C-40/23/50  
<=5.4
Bow and Twist
(Double sided)
A % <=1.0
Flammability Rating A&E-1/105+des   UL 94 V-0
Thermal stress(288°C, 20 seconds) Unetched, A No defect
  After etched A No defect
Pressure vessel thermal stress A   No defect
Dimensional stability E-4/105+des+E-2/150 Um/em +/-5.0
TG DSC °C >= 130°C
TD ( °C/TGA 5% wt loss) °C 300-310°C

Available Sizes

Cat.No. Plain (metric) (approx. in imperial)
FR4 1/16" (1.60mm), single sided
503
506
509
512
515
521
575
580

76 x 127 mm
101 x 152 mm
152 x 152 mm
152 x 228 mm
203 x 254 mm
304 x 304 mm
609 x 914 mm
914 x 1219 mm

3" x 5"
4" x 6"
6" x 6"
6" x 9"
8" x 10"
12" x 12"
24" x 36"
36" x 48"
FR4 1/16" (1.60mm), double sided

540
550
555
576
585

76 x 127 mm
152 x 152 mm
304 x 304 mm
609 x 914 mm
914 x 1219 mm

3" x 5"
6" x 6"
12" x 12"
24" x 36"
36" x 48"

FR4 1/32" (0.80mm), single sided

586
588
590

101 x 152 mm
152 x 228 mm
304 x 304 mm

4" x 6"
6" x 9"
12" x 12"

FR4 1/32" (0.80mm), double sided

587
589
591

101 x 152 mm
152 x 228 mm
304 x 304 mm

4" x 6"
6" x 9"
12" x 12"