best china kb 3151c fr-1 pcb with rohs long life

ability

standard

advanced

Minimum number of layers

1

1

maximum number of layers

12

40

Material

FR-4 (Tg-135C, 145C, 170C), halogen free

Rogers Ultralam 2000, Rogers RO4350, Rogers RO4003

Polyimide

Black FR-4

Aaron AR-350

CEM-3

Getek Copper Clad Thermal Substrates

Hybrid (Rogers and FR4) BT Epoxies

Nelco 4013

Teflon

Metal core material

Aluminum core

plate thickness

0.020"-0.125"

0.005"-0.250"

Maximum board size

16" x 22"

12" x 21"

22" x 28"

10" x 16"

16" x 22"

12" x 21"

22" x 28"

copper thickness

0.5 oz - 3 oz

0.25 oz - 12 oz

Minimum trace width/spacing

0.004"/0.004"

0.003"/0.003"

Solder mask color

Green, blue, black, red, yellow, white, clear and customized

Silkscreen Color

white, black, yellow, green, red, blue and customized

Minimum aperture

0.008"

0.004"

Finished Aperture Tolerance

+/-0.003"

+/-0.002"

PCB surface treatment

HASL (vertical and horizontal), lead-free HASL, OSP/Entek, ENIG, ENEPIG,

Spray tin + gold finger, immersion tin (ISn), immersion silver (IAg), carbon

Ink, hard gold (flash gold), soft gold

IPC class

level 2

Level 3

Controlled Impedance Tolerance

+/-10%

+/-5%

Blind hole

Yes

Yes

Buried via

Yes

Yes

aspect ratio

8/1

15/1

Minimum core thickness

0.004"

0.002"

carbon ink

Yes

Yes

peelable mask

Yes

Yes

Solder sample

Yes

Yes

first time

Yes

Yes

ISO 9001:2008

Yes

Yes

ISO/TS16949:2009

Yes

Yes

UL 94v0

Yes

Yes