DEFINED IMPEDANCE pool - Eurocircuits

DEFINED IMPEDANCE pool – Bare board & assembly services

Eurocircuits’ PCB DEFINED IMPEDANCE pool is a fast turnaround solution for PCB’s with a specific impedance requirements for certain tracks.

The online menus contain a calculator to help you to define the correct track and gap values for your layout, for example for 50Ω characteristic and 90Ω differential impedance using material with a guaranteed dielectric constant (εr).

A single clear smart menu structure gives you immediate access to Eurocircuits’ wide range of pooling and non-pooling options. The menu will flag non-poolable items, so that you can change them for lower cost pooling options where possible.

Pooling prices are based on panel-sharing. Non-pooling prices are based on a production panel specific to the option and the job.

Boards can be supplied as single circuits or panels.

The standard price matrix shows alternative (lower-cost) quantities and deliveries, or set your own custom matrix. If your requirements are not covered, use Place inquiry to send your data to our engineers for evaluation.

What’s Available

Bare Board or Assembled PCB’s
Standard lead times:
- Bare Board PCB’s in 5 Working Days*
- Assembled PCB’s in 10 Working Days*
- Shorter lead times are available in the PCB Calculator
4, 6 and 8 Layers from 1 Piece Onwards
100µm Track & Gap pooling – 90 µm Non-pooling
2 Soldermasks and 1 or 2 Legends/Silkscreens
Lead-free Finishes: Electroless Gold over Nickel or Lead-free HAL pooling – Immersion Silver Non-pooling
IS400 – FR-4 – RoHS Compliant Material Optimised for Lead-free Soldering (see also our blog) about materials and lead-free soldering)
Standard Buildups (pooling) or Predefined Non-pooling Builds Available (Specials after evaluation)
Smart Menu Covering all PCB Manufacturing Options
Wide Range of Options Available
No Tooling Charges
No Minimum Order Charge.
100% Manufacturability Check Prior to Production
100% Electrical Test
PCB Configurator to check and upload design parameters before pricing
PCB Checker to analyses your data before you place your order
BOM and CPL analysis

DEFINED IMPEDANCE pool Service Parameters
Number of Layers	4, 6 or 8 Non-Pooling – Others available in the online calculator
Maximum PCB Dimension	500mm x 425mm for ML
Minimum Dimension	5mm x 5mm for PCB’s 50mm x 50mm for panels
Base Material (pooled)	Isola IS400
Base Material High Tg (Non pooled)	Isola 370HR
Board Thickness	Pooling – 1.00mm (4 layers only) Pooling – 1.55mm Non-Pooling – Others available in the online calculator
Base Copper Foil – Outer Layers	Pooling – 18µm, 35µm Non-Pooling – others available in the online calculator
Base Copper Foil – Inner Layers	Pooling – 18µm, 35µm Non-Pooling – others available in the online calculator
Surface Finish	Pooling – Lead-free for best price, ENIG, LF HAL, IM Ag
Soldermask Type/Colour	Pooling – Green, Blue, Black, White, Red, PixtureBlackWhite Non-Pooling – Transparent
Extra Options	Pooling – Peelable Mask, Via Filling, Heatsink Paste, Gold Edge Connectors Non-Pooling – Carbon Pads
Legend Type/Colour	Pooling – White on one or both sides Non-Pooling – Black & White PIL
Min. Track Width/Spacing	Pooling – 0.100mm Non-Pooling – 0.090mm
Min. Finished Hole Size	PTH – 0.100mm NPTH – 0.200mm Non-Pooled – others available in the online calculator
Minimum Outer Layer Pad Diameter	PTH is Finished Hole Size + 0.300mm NPTH is Finished Hole Size + 0.200mm
Minimum Inner Layer Pad Diameter	PTH is Finished Hole Size + 0.350mm NPTH is Finished Hole Size + 0.250mm
Minimum Copper to Board-edge Clearance – Outer Layers	Routed – 0.250mm V-cut – 0.450mm
Minimum Copper to Board-edge Clearance – Inner Layers	Routed – 0.400mm V-cut – 0.450mm
Extra Copper Features	Copper up to Edge Plated Holes on Edge Round-edge Plating
Slots and Cut-outs	Tool Sizes – 0.5, 1.2, & 2.0mm
Delivery Panels	Break-routed with 2 mm Tool or V-cut
Maximum Customer Panel that can be eC-compatible	350 x 250mm
Minimum Customer Panel that can be eC-comaptible	50 x 50 mm
Multilayer-build	Pooled; eC-predefined buildups: 2 for 4L and 1 for all others Non-pooled; eC-predefined buildups with possibilities to include blind and buried vias Use our online buildup editor which includes +/-800 eC-predefined buildups
Electrical Test	Standard
UL marking	Available
Stencil Material	100µm and 130µm Stainless Steel
Maximum Stencil Size	595 x 595 mm

DEFINED IMPEDANCE pool Assembly Service Parameters
Number of Component Layers	1 or 2
Quantities	1 PCB and up
Lead Time	10 working days* (5 for manufacture and 5 for assembly)
Minimum PCB Dimensions	5mm x 5mm
Maximum PCB/Panel Dimensions	340mm x 440mm
Assembly Type	SMT – single or double sided THT – single or double sided SMT + THT Mixed Technology – single or double sided
Components	Passive Components – 0201 and higher Active Components – from 0,35mm pitch BGA – 0,4mm pitch and above
Solder Alloy	Basis SAC 305 Sn 96,5 Ag3 Cu 0,5 lead-free
Solder Paste Stencil	Laser cut (included in the assembly cost – not delivered with the assembled boards)
Component Sourcing	All Components Sourced by Eurocircuits (Components not sourceable by Eurocircuits can be supplied by the customer)
Quality Inspection	Visual inspection Solder Paste Inspection (SPI) BGA Placement X-ray Inspection

*Notes

Subject to design meeting our DEFINED IMPEDANCE pool manufacturing and assembly specification and component availability.
The price cannot be automatically calculated for a PCB containing more than 200 BOM lines or 1000 component placements, our engineering department will evaluate and send you an offer usually within 24 hours.
These conditions are available in our calculator/Visualizer and will only be confirmed in our order confirmation.