Printed Circuit Boards �C Bicheng PCB

24 Layer PCB Built On FR-4 With Single-End and Differential Impedance

 

Hi Manager,

 

Multilayer circuit boards not only increase the design flexibility, but also better control differential impedance and single end impedance as well as better output some signal frequency.

 

This type of 24 Layer PCB Built On FR-4 With Single-End and Differential Impedance may be of considerable interest to you.

 

Basic Specifications:

Base Material:      FR-4 Tg170℃, er<5.4, IT-180, ITEQ

Copper Weight:   1 oz/ 0.5 oz/ 1 oz/ 0.5 oz …

Board Thickness: 3.7mm ±10%

Layer Count: 24 layers

Board Size:   400 x 212 mm =1 piece

Solder Mask:       Green solder mask | white silkscreen

Surface Finish:    Immersion Gold (29.1%)

Via: Through holes, via filled at BGA

Warpage:      ＜0.75%

Net Weight:   0.95 kg/pcs

Impedance control:     Signal layers (50 ohm impedance controlled for single ended & 100 ohm for differential routes layers)

Acceptable Standard:  IPC-Class-2

Lead time for prototype:    15 working days

Shelf life:      6 months

  

Impedance Controlled

Layer	Single-Ended Trace Width(mil)	Single-Ended Impedance(ohm)	Differential Trace/Space(mil)	Differential Impedance(ohm)
L1, Signal	4/5/6/7	65/59/54/50	5.0/5.0	101
L3, Signal	4/6	65/49	4.0/4.0	91
L4, Signal			4.0/6.0	97

 

 

Contact us today for more preferential price.

 

Best regards

 

Kevin Liao | Business development

Bicheng PCB | www.bichengpcb.com| sales@bichengpcb.com |Material partners: Rogers, ITEQ, SHENGYI, TAIYO, KUANGSHUN

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