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RoHS Guidelines - RoHS Compliance

RoHS: Restriction of Hazardous Substances

QualiEco Circuits offers the option of RoHS compliant printed circuit boards (PCBs).

Apart from standard leaded PCBs, we offer the following RoHS finish options:

  • Lead-free HASL
  • Immersion Silver
  • Immersion Gold
  • Immersion Tin

Use the comparison chart to help you choose the right surface finish for your RoHS requirements:

COMPARISON IN GENERAL:

Immersion Silver(IAg) Electroless Nickel Immersion Gold (ENIG) Immersion Tin (ISn)
  • World Renowned chemistry
  • Thickness offered 0.25 micron to 9.4 micron
  • Fully Automatic Line.
  • World renowned chemistry.
  • Thickness offered 3-4 micron Nickel, 0.1 micron Gold.
  • World renowned chemistry
  • Thickness offered up to 1 micron.

WHY?

  • Environment Friendly.
  • Complying with all RoHS requirement.
  • Suitable for fine pitch assembly and reflow soldering.
  • Shelf life is 2.5-3 months.
  • Multiple solderable.
  • Provides enough room for accurate stencil making in assembly requirement.

WHY?

  • Environment Friendly.
  • Complying with all RoHS requirement.
  • Suitable for fine pitch assembly and reflow soldering.
  • Very long solder life.
  • Multiple solderable.
  • PMost suitable for wire bonding application.

WHY?

  • Environment Friendly.
  • Complying with all RoHS requirement.
  • Widely accepted surface finish.
  • Excellent solderability.
  • Highly acceptable to all solder paste and fluxes.

Applicatons:

  • SMT processes.
  • Computers & Peripherals
  • Communications
  • Consumers electronics

Applicatons:

  • Spring contacts.
  • Aluminium Wire bonding.
  • SMT processes.
  • Computers
  • Mobile phone communications
  • Consumer electronics
  • Automotive

Applicatons:

  • SMT processes
  • Computers
  • Mobile phone communications
  • Automotive
  • Press fit applications and back panels

COMPARISON IN DETAIL:

Final Plating Finish Comparisons:

  HASL (SnPb) HASL Lead-Free Electroless Nickel Immersion GOld - ENIG Immersion Silver-IAg Organic Solderable Coatings - OSP Immersion Tin - ISn Electrolytic Nickel Gold - NiAu
RoHS Compliant No Yes Yes Yes Yes Yes Yes
Fabrication Costs Low Low Medium Medium Low Medium High
Shelf Life 1 Year 1 Year 1 Year 2.5-3 Months 2.5-3 Months 2.5-3 Months 1 Year
Assembly Cycle Capacity Multiple Multiple Multiple Multiple Multiple Multiple Multiple
Multiple Rework Capacity Limited Limited Limited Yes No No No
Solder Wettability Excellent Good Good Very Good Good Good Good
Co-planarity Poor Good Excellent Excellent Excellent Excellent Good/Poor
Solder Joint Integrity Excellent Good Good Excellent Good Good Poor**
Low Resistance/ High Speed No No No Yes N/A No No
Aluminium Wire Bond No No No No Yes No Yes

** Thicker applications of Au can cause embrittlement

RoHS Legislation, History and much more...

Product Comparison Chart

We have the capability to manufacture and assemble Single Sided/Layer (SS), Double Sided/Layer (DS-NPTH & DS-PTH) and MultiLayer (up to 32 layers) PCBs with RoHS as an option.

Compare Low Cost Prototype with Standard Prototype and Production. Choose one which best suits your requirements.

Compare now!
Our capabilities

Our capabilities

We can manufacture and assemble Single Sided/Layer (SS), Double Sided/Layer (DS-NPTH & DS-PTH) and MultiLayer (up to 32 layers) PCBs with RoHS as an option.

Need to know more about our capabilities?

Learn more

SMT stencils

SMT stencils

More efficient manufacturing of solder paste SMT stencils.

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PCB design

PCB design

We'll review your PCB designs and identify refinements for easier manufacturing.

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What our customers say?

For printed circuit boards (PCBs) or PCB assembly you can count on. Talk to the friendly and experienced team at QualiEco Circuits, Australia.